All Stories

  1. Copper mesoporous materials as highly efficient recyclable catalysts for the reduction of 4-nitrophenol in aqueous media

    Article • Polyhedron, August 2018, Elsevier

    Professor Cristina Freire, Joao Pires

  2. Polyoxotungstate@Carbon Nanocomposites As Oxygen Reduction Reaction (ORR) Electrocatalysts

    Article • Langmuir, May 2018, American Chemical Society (ACS)

    Professor Cristina Freire

  3. Photochromic polypropylene fibers based on UV-responsive silica@phosphomolybdate nanoparticles through melt spinning technology

    Article • Chemical Engineering Journal, May 2018, Elsevier

    Dr Clara Pereira, Professor Cristina Freire

  4. POM & MOF-based Electrocatalysts for Energy-related Reactions

    Article • ChemCatChem, March 2018, Wiley

    Professor Cristina Freire

  5. Selectively oxidized carbon nanocatalysts for the oxidation of cis-cyclooctene

    Article • New Journal of Chemistry, January 2018, Royal Society of Chemistry

    Professor Cristina Freire

  6. Multifunctional mixed valence N-doped CNT@MFe2O4 hybrid nanomaterials: from engineered one-pot coprecipitation to application in energy storage paper supercapacitors

    Article • Nanoscale, January 2018, Royal Society of Chemistry

    Dr Clara Pereira, Professor Cristina Freire

  7. Graphene-poly(nickel complex) as novel electrochromic nanocomposite for the fabrication of a robust solid-state device

    Article • Journal of Colloid and Interface Science, October 2017, Elsevier

    Professor Cristina Freire

  8. Highly Active Ruthenium Supported on Magnetically Recyclable Chitosan-Based Nanocatalyst for Nitroarenes Reduction

    Article • ChemCatChem, September 2017, Wiley

    Dr Clara Pereira, Professor Cristina Freire

  9. Multicolour Electrochromic Film Based on a TiO2@poly[Ni(salen)] Nanocomposite with Excellent Electrochemical Stability

    Article • Langmuir, June 2017, American Chemical Society (ACS)

    Professor Cristina Freire

  10. N-doped few-layered graphene-polyNi complex nanocomposite with excellent electrochromic properties

    Article • Carbon, May 2017, Elsevier

    Professor Cristina Freire

  11. Driving Forces in the Sharpless Epoxidation Reaction: A Coupled AIMD/QTAIM Study

    Article • Inorganic Chemistry, January 2017, American Chemical Society (ACS)

    Professor Cristina Freire, Filipe Teixeira, M. Natalia D. S. Cordeiro

  12. Development of highly efficient Cu versus Pd catalysts supported on graphitic carbon materials for the reduction of 4-nitrophenol to 4-aminophenol at room temperature

    Article • Carbon, January 2017, Elsevier

    Professor Cristina Freire

  13. Tuning the surface chemistry of graphene flakes: new strategies for selective oxidation

    Article • RSC Advances, January 2017, Royal Society of Chemistry

    Professor M. Fernando R Pereira, Professor Cristina Freire

  14. Bifunctionality of the pyrone functional group in oxidized carbon nanotubes towards oxygen reduction reaction

    Article • Catalysis Science & Technology, January 2017, Royal Society of Chemistry

    Professor M. Fernando R Pereira, Professor Cristina Freire

  15. Sulfonic acid functionalized silica nanoparticles as catalysts for the esterification of linoleic acid

    Article • New Journal of Chemistry, January 2017, Royal Society of Chemistry

    Professor Cristina Freire

  16. A novel generation of hybrid photochromic vinylidene-naphthofuran silica nanoparticles through fine-tuning of surface chemistry

    Article • Dalton Transactions, January 2017, Royal Society of Chemistry

    Dr Clara Pereira, Professor Cristina Freire

  17. Improved catalytic performance of porous metal–organic frameworks for the ring opening of styrene oxide

    Article • CrystEngComm, January 2017, Royal Society of Chemistry

    Professor Cristina Freire

  18. PMo11V@N-CNT electrochemical properties and its application as electrochemical sensor for determination of acetaminophen

    Article • Journal of Solid State Electrochemistry, November 2016, Springer Science + Business Media

    Professor Cristina Freire

  19. Screen-Printed Photochromic Textiles through New Inks Based on SiO2@naphthopyran Nanoparticles

    Article • ACS Applied Materials & Interfaces, October 2016, American Chemical Society (ACS)

    Dr Clara Pereira, Professor Cristina Freire, Professor M. Fernando R Pereira

  20. Novel synthesis of highly catalytic active Cu@Ni/RGO nanocomposite for efficient hydrogenation of 4-nitrophenol organic pollutant

    Article • International Journal of Hydrogen Energy, July 2016, Elsevier

    Professor Cristina Freire

  21. Facile synthesis of reduced graphene oxide supported Pd@NixB/RGO nanocomposite: Novel electrocatalyst for ethanol oxidation in alkaline media

    Article • International Journal of Hydrogen Energy, July 2016, Elsevier

    Professor Cristina Freire

  22. Facile synthesis of novel Co-B@Ni/RGO nanocomposite: A cost effective catalyst for improved hydrogen generation with enhanced electrochemical activity

    Article • International Journal of Hydrogen Energy, July 2016, Elsevier

    Professor Cristina Freire

  23. High-Performance Electrochromic Devices Based on Poly[Ni(salen)]-Type Polymer Films

    Article • ACS Applied Materials & Interfaces, June 2016, American Chemical Society (ACS)

    Professor Cristina Freire

  24. Iron(III) Fluorinated Porphyrins: Greener Chemistry from Synthesis to Oxidative Catalysis Reactions

    Article • Molecules, April 2016, MDPI AG

    Professor Cristina Freire

  25. Roots of Acetate-Vanadium Linkage Isomerism: A QTAIM Study

    Article • Inorganic Chemistry, April 2016, American Chemical Society (ACS)

    Professor Cristina Freire, Filipe Teixeira, M. Natalia D. S. Cordeiro

  26. Naphthopyran-Based Silica Nanoparticles as New High-Performance Photoresponsive Materials

    Article • ACS Applied Materials & Interfaces, March 2016, American Chemical Society (ACS)

    Dr Clara Pereira, Professor M. Fernando R Pereira, Professor Cristina Freire

  27. A voltammetric tool for the evaluation of propolis antioxidant activity

    Article • European Food Research and Technology, February 2016, Springer Science + Business Media

    Professor Cristina Freire

  28. Magnetically recyclable mesoporous iron oxide–silica materials for the degradation of acetaminophen in water under mild conditions

    Article • Polyhedron, February 2016, Elsevier

    Dr Clara Pereira, Joao Pires, Professor Cristina Freire

  29. Physicochemical characterization of organosilylated halloysite clay nanotubes

    Article • Microporous and Mesoporous Materials, January 2016, Elsevier

    Dr Clara Pereira, Professor Cristina Freire, Joao Pires

  30. Progress in the Raman spectra analysis of covalently functionalized multiwalled carbon nanotubes: unraveling disorder in graphitic materials

    Article • Physical Chemistry Chemical Physics, January 2016, Royal Society of Chemistry

    Professor Cristina Freire

  31. Facile synthesis of Co/RGO nanocomposite for methylene blue dye removal

    Article • Materials Today Proceedings, January 2016, Elsevier

    Professor Cristina Freire

  32. Monitoring in real time the production of Fe-oxide nanoparticles

    Article • Chemical Engineering Science, December 2015, Elsevier

    Professor Cristina Freire

  33. l-Serine functionalized clays: Preparation and characterization

    Article • Polyhedron, December 2015, Elsevier

    Professor Cristina Freire, Dr Clara Pereira

  34. Voltammetric analysis of mancozeb and its degradation product ethylenethiourea

    Article • Journal of Electroanalytical Chemistry, December 2015, Elsevier

    Professor Cristina Freire, Jesus Simal-Gandara

  35. MnFe2O4@CNT-N as novel electrochemical nanosensor for determination of caffeine, acetaminophen and ascorbic acid

    Article • Sensors and Actuators B Chemical, October 2015, Elsevier

    Dr Clara Pereira, Professor Cristina Freire

  36. Hybrid methyl green/cobalt-polyoxotungstate nanostructured films: Self-assembly, electrochemical and electrocatalytic properties

    Article • Applied Surface Science, August 2015, Elsevier

    Professor Cristina Freire

  37. Novel synthesis of Ag@Co/RGO nanocomposite and its high catalytic activity towards hydrogenation of 4-nitrophenol to 4-aminophenol

    Article • International Journal of Hydrogen Energy, April 2015, Elsevier

    Professor Cristina Freire

  38. Automatized and desktop AC-susceptometer for the in situ and real time monitoring of magnetic nanoparticles’ synthesis by coprecipitation

    Article • Review of Scientific Instruments, April 2015, American Institute of Physics

    Dr Clara Pereira, Professor Cristina Freire

  39. Multielectrocatalysis by Layer-by-Layer Films Based on Pararosaniline and Vanadium-Substituted Phosphomolybdate

    Article • Langmuir, February 2015, American Chemical Society (ACS)

    Professor Cristina Freire

  40. Biomimetic One-Pot Route to Acridine Epoxides

    Article • The Journal of Organic Chemistry, January 2015, American Chemical Society (ACS)

    Professor Cristina Freire

  41. Gold-supported magnetically recyclable nanocatalysts: a sustainable solution for the reduction of 4-nitrophenol in water

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Professor Cristina Freire, Professor M. Fernando R Pereira, Dr Clara Pereira

  42. Lanthano phosphomolybdate-decorated silica nanoparticles: novel hybrid materials with photochromic properties

    Article • Dalton Transactions, January 2015, Royal Society of Chemistry

    Dr Ginesa Blanco Montilla, Dr Clara Pereira, Professor M. Fernando R Pereira, Professor Cristina Freire

  43. Sustainable activated carbons prepared from a sucrose-derived hydrochar: remarkable adsorbents for pharmaceutical compounds

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Dr Ana Sofia Mestre, Professor Cristina Freire

  44. Architectured design of superparamagnetic Fe3O4nanoparticles for application as MRI contrast agents: mastering size and magnetism for enhanced relaxivity

    Article • Journal of Materials Chemistry B, January 2015, Royal Society of Chemistry

    Dr Clara Pereira, Professor Cristina Freire

  45. Reduction of 4-nitrophenol to 4-aminophenol using a novel Pd@NixB–SiO2/RGO nanocomposite: enhanced hydrogen spillover and high catalytic performance

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Professor Cristina Freire

  46. Sucrose-derived activated carbons: electron transfer properties and application as oxygen reduction electrocatalysts

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Professor Cristina Freire, Dr Ana Sofia Mestre, Professor M. Fernando R Pereira

  47. Effects of Axial Coordination on Immobilized Mn(salen) Catalysts

    Article • The Journal of Physical Chemistry A, November 2014, American Chemical Society (ACS)

    Filipe Teixeira, Professor Cristina Freire, M. Natalia D. S. Cordeiro

  48. Carbon Nanomaterial-Phosphomolybdate Composites for Oxidative Electrocatalysis

    Article • ChemElectroChem, November 2014, Wiley

    Professor Cristina Freire

  49. Efficient immobilization of montmorillonite onto cotton textiles through their functionalization with organosilanes

    Article • Applied Clay Science, November 2014, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira, Dr Clara Pereira

  50. Novel electrochemical sensor based on N-doped carbon nanotubes and Fe3O4 nanoparticles: Simultaneous voltammetric determination of ascorbic acid, dopamine and uric acid

    Article • Journal of Colloid and Interface Science, October 2014, Elsevier

    Professor Cristina Freire, Dr Clara Pereira

  51. Microwave-assisted silylation of graphite oxide and iron(III) porphyrin intercalation

    Article • Polyhedron, October 2014, Elsevier

    Professor Cristina Freire

  52. Gold nanoparticles decorated on Bingel–thiol functionalized multiwall carbon nanotubes as an efficient and robust catalyst

    Article • Applied Catalysis A General, September 2014, Elsevier

    Dr Clara Pereira, Professor Cristina Freire

  53. Sensitive bi-enzymatic biosensor based on polyphenoloxidases–gold nanoparticles–chitosan hybrid film–graphene doped carbon paste electrode for carbamates detection

    Article • Bioelectrochemistry, August 2014, Elsevier

    Professor Cristina Freire

  54. SiW11Fe@MIL-101(Cr) Composite: A Novel and Versatile Electrocatalyst

    Article • ChemElectroChem, July 2014, Wiley

    Professor Cristina Freire

  55. Indigo dye production by enzymatic mimicking based on an iron(III)porphyrin

    Article • Journal of Catalysis, June 2014, Elsevier

    Dr Mario Manuel Quialheiro Simoes, Professor Cristina Freire

  56. Influence of ceria distribution on the redox behaviour of nanoparticulated CeO2-SiO2systems with application in catalysis

    Article • Surface and Interface Analysis, May 2014, Wiley

    Professor Cristina Freire, Dr Ginesa Blanco Montilla, Dr Clara Pereira

  57. Europium phosphomolybdate and osmium metallopolymer multi-functional LbL films: Redox and electrocatalytic properties

    Article • Journal of Colloid and Interface Science, April 2014, Elsevier

    Professor Cristina Freire

  58. Hybrid photochromic multilayer films based on chitosan and europium phosphomolybdate

    Article • Journal of Applied Electrochemistry, February 2014, Springer Science + Business Media

    Professor Cristina Freire

  59. Single site anchored novel pentacoordinate Schiff-base Co(II) complexes over SBA-15 for selective oxidation (O2) of n-alkanes and kinetic study

    Article • Polyhedron, February 2014, Elsevier

    Professor Cristina Freire

  60. Charge distribution in Mn(salen) complexes

    Article • International Journal of Quantum Chemistry, January 2014, Wiley

    Ricardo Mosquera, Professor Cristina Freire, Filipe Teixeira, M. Natalia D. S. Cordeiro

  61. Tailored design of CoxMn1−xFe2O4 nanoferrites: a new route for dual control of size and magnetic properties

    Article • Journal of Materials Chemistry C, January 2014, Royal Society of Chemistry

    Professor Cristina Freire, Dr Clara Pereira

  62. Biomimetic oxidation of indole by Mn(III)porphyrins

    Article • Applied Catalysis A General, January 2014, Elsevier

    Dr Mario Manuel Quialheiro Simoes, Professor Cristina Freire

  63. From sugar to methane storage or biogas upgrade

    Article • Journal of Materials Chemistry A, January 2014, Royal Society of Chemistry

    Dr Ana Sofia Mestre, Professor Cristina Freire, Joao Pires

  64. Principal component analysis of Mn(salen) catalysts

    Article • Physical Chemistry Chemical Physics, January 2014, Royal Society of Chemistry

    Filipe Teixeira, Professor Cristina Freire, M. Natalia D. S. Cordeiro

  65. Novel Composite Material Polyoxovanadate@MIL-101(Cr): A Highly Efficient Electrocatalyst for Ascorbic Acid Oxidation

    Article • ACS Applied Materials & Interfaces, December 2013, American Chemical Society (ACS)

    Professor Cristina Freire, Joao Pires

  66. Photoactive Zn(II)Porphyrin–multi-walled carbon nanotubes nanohybrids through covalent β-linkages

    Article • Materials Chemistry and Physics, December 2013, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira

  67. Spontaneous gold decoration of activated carbons

    Article • Inorganica Chimica Acta, November 2013, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira

  68. Iron(III) porphyrin anchored onto organosilylated multiwalled carbon nanotubes as an active catalyst for epoxidation reactions under mild conditions

    Article • Journal of Materials Science, November 2013, Springer Science + Business Media

    Professor Cristina Freire

  69. Laccase–Prussian blue film–graphene doped carbon paste modified electrode for carbamate pesticides quantification

    Article • Biosensors and Bioelectronics, September 2013, Elsevier

    Professor Cristina Freire

  70. A Proposal for Physicochemical Standards and Antioxidant Activity of Portuguese Propolis

    Article • Journal of the American Oil Chemists Society, August 2013, Wiley

    Professor Cristina Freire

  71. Phenolic quantification and botanical origin of Portuguese propolis

    Article • Industrial Crops and Products, August 2013, Elsevier

    Professor Cristina Freire

  72. Electrical conductivity of LTA-zeolite in the presence of poly(vinyl alcohol) and poly(vinyl pyrrolidone) polymers

    Article • Polymer International, June 2013, Wiley

    Professor Cristina Freire, Dr Clara Pereira

  73. Photocatalytic degradation of Reactive Black 5 with TiO2-coated magnetic nanoparticles

    Article • Catalysis Today, June 2013, Elsevier

    Professor Cristina Freire, Dr Clara Pereira, Prof. Joaquim Luís Faria

  74. Enantioselective arene epoxidation under mild conditions by Jacobsen catalyst: The role of protic solvent and co-catalyst in the activation of hydrogen peroxide

    Article • Applied Catalysis A General, June 2013, Elsevier

    Professor Cristina Freire

  75. In Vitro Evaluation of Portuguese Propolis and Floral Sources for Antiprotozoal, Antibacterial and Antifungal Activity

    Article • Phytotherapy Research, May 2013, Wiley

    Professor Cristina Freire

  76. Silica nanoparticles functionalized with a thermochromic dye for textile applications

    Article • Journal of Materials Science, March 2013, Springer Science + Business Media

    Professor Cristina Freire, Professor M. Fernando R Pereira, Dr Clara Pereira

  77. Sandwich lanthano-silicotungstates: Structure, electrochemistry and photoluminescence properties

    Article • Polyhedron, March 2013, Elsevier

    Professor Cristina Freire, Dr Duarte Ananias

  78. Phosphotungstates as catalysts for monoterpenes oxidation: Homo- and heterogeneous performance

    Article • Catalysis Today, March 2013, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  79. Alkene epoxidation by manganese(III) complexes immobilized onto nanostructured carbon CMK-3

    Article • Catalysis Today, March 2013, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Dr Clara Pereira, Joao Pires

  80. Redox behaviour, electrochromic properties and photoluminescence of potassium lanthano phosphomolybdate sandwich-type compounds

    Article • RSC Advances, January 2013, Royal Society of Chemistry

    Professor Cristina Freire

  81. Mono-substituted silicotungstates as active catalysts for sustainable oxidations: homo- and heterogeneous performance

    Article • New Journal of Chemistry, January 2013, Royal Society of Chemistry

    Professor Cristina Freire, Joao Pires

  82. Direct access to polycyclic peripheral diepoxy-meso-quinone derivatives from acene catalytic oxidation

    Article • RSC Advances, January 2013, Royal Society of Chemistry

    Professor Cristina Freire

  83. β-Functionalized zinc(II)aminoporphyrins by direct catalytic hydrogenation

    Article • Tetrahedron Letters, January 2013, Elsevier

    Professor Cristina Freire

  84. Pseudo-crown functionalized copper salen complexes forming electroactive polymers: Rationalization of Ba2+ interaction using XAS and DFT

    Article • Journal of Electroanalytical Chemistry, January 2013, Elsevier

    Professor Cristina Freire

  85. Hybrid layer-by-layer films based on lanthanide-bridged silicotungstates and poly(ethylenimine)

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, December 2012, Elsevier

    Professor Cristina Freire, Dr Duarte Ananias, Dr Clara Pereira

  86. Phenolic Profiling of Portuguese Propolis by LC-MS Spectrometry: Uncommon Propolis Rich in Flavonoid Glycosides

    Article • Phytochemical Analysis, November 2012, Wiley

    Professor Cristina Freire

  87. Oxidovanadium(IV) acetylacetonate immobilized onto CMK-3 for heterogeneous epoxidation of geraniol

    Article • Microporous and Mesoporous Materials, September 2012, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Dr Clara Pereira, Joao Pires

  88. New insights into the functionalization of multi-walled carbon nanotubes with aniline derivatives

    Article • Carbon, August 2012, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira

  89. Dehydration of a polyether type extraction agent and of the corresponding K+ complex: insights into liquid-liquid extraction mechanisms by quantum chemical methods

    Article • Journal of Molecular Modeling, June 2012, Springer Science + Business Media

    Professor Cristina Freire

  90. Superparamagnetic MFe2O4(M = Fe, Co, Mn) Nanoparticles: Tuning the Particle Size and Magnetic Properties through a Novel One-Step Coprecipitation Route

    Article • Chemistry of Materials, April 2012, American Chemical Society (ACS)

    Professor Cristina Freire, Dr Clara Pereira

  91. Functionalization of textiles with multi-walled carbon nanotubes by a novel dyeing-like process

    Article • Journal of Materials Science, March 2012, Springer Science + Business Media

    Professor Cristina Freire, Professor M. Fernando R Pereira, Dr Clara Pereira

  92. Ion recognition properties of poly[Cu(3-MeOsalpd)] films

    Article • Journal of Solid State Electrochemistry, March 2012, Springer Science + Business Media

    Professor Cristina Freire

  93. Decomplexation and complexation of alkali metal cations by a crown-ether-type podand in dichloromethane: a steered molecular dynamics study

    Article • Theoretical Chemistry Accounts, February 2012, Springer Science + Business Media

    Professor Cristina Freire

  94. Green oxidation catalysis with metal complexes: from bulk to nano recyclable hybrid catalysts

    Article • February 2012, Royal Society of Chemistry

    Professor Cristina Freire, Dr Clara Pereira

  95. Transfer of the K+Cation Across a Water/Dichloromethane Interface: A Steered Molecular Dynamics Study with Implications in Cation Extraction

    Article • The Journal of Physical Chemistry, February 2012, American Chemical Society (ACS)

    Professor Cristina Freire

  96. Structural studies of lead lithium borate glasses doped with silver oxide

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, February 2012, Elsevier

    Professor Cristina Freire

  97. Understanding the silylation reaction of multi-walled carbon nanotubes

    Article • Carbon, September 2011, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira, Dr Clara Pereira

  98. Epoxidation of olefins catalyzed by manganese(III) salen complexes grafted to porous heterostructured clays

    Article • Applied Clay Science, August 2011, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Dr Clara Pereira, Joao Pires

  99. Designing Novel Hybrid Materials by One-Pot Co-condensation: From Hydrophobic Mesoporous Silica Nanoparticles to Superamphiphobic Cotton Textiles

    Article • ACS Applied Materials & Interfaces, July 2011, American Chemical Society (ACS)

    Professor Cristina Freire, Ana Paula Carvalho, Professor M. Fernando R Pereira, Dr Clara Pereira, Joao Pires

  100. Unravelling the effect of interparticle interactions and surface spin canting in γ-Fe2O3@SiO2 superparamagnetic nanoparticles

    Article • Journal of Applied Physics, June 2011, American Institute of Physics

    Professor Cristina Freire, Dr Clara Pereira

  101. Modulating spectroelectrochemical properties of [Ni(salen)] polymeric films at molecular level

    Article • Synthetic Metals, May 2011, Elsevier

    Professor Cristina Freire

  102. Complexation of alkali metal cations by crown-ether type podands with applications in solvent extraction: insights from quantum chemical calculations

    Article • Journal of Molecular Modeling, March 2011, Springer Science + Business Media

    Professor Cristina Freire

  103. A DFT quantum mechanical study of 3-hydroxy-4-pyrone and 3-hydroxy-4-pyridinone based oxidovanadium(IV) complexes

    Article • Structural Chemistry, February 2011, Springer Science + Business Media

    Professor Cristina Freire

  104. [VO(acac)2] hybrid catalyst: from complex immobilization onto silica nanoparticles to catalytic application in the epoxidation of geraniol

    Article • Catalysis Science & Technology, January 2011, Royal Society of Chemistry

    Professor Cristina Freire, Dr Ginesa Blanco Montilla, Dr Clara Pereira

  105. Clay base template shynthesis of carbon materials

    Article • Carbon, November 2010, Elsevier

    Joao Pires, Professor Cristina Freire, Ana Paula Carvalho

  106. Structural and electrochemical characterisation of [Pd(salen)]-type conducting polymer films

    Article • Electrochimica Acta, November 2010, Elsevier

    Professor Cristina Freire

  107. Insights into electronic and structural properties of novel Pd(II) salen-type complexes

    Article • Inorganica Chimica Acta, November 2010, Elsevier

    Professor Cristina Freire

  108. Asymmetric alkene epoxidation by Mn(III)salen catalyst in ionic liquids

    Article • Inorganica Chimica Acta, October 2010, Elsevier

    Professor Cristina Freire

  109. Crown-Ether Type Podands as Alkali Metal Cation Extractants: Influence of the Number of Oxygens in the Chain

    Article • Journal of Solution Chemistry, August 2010, Springer Science + Business Media

    Professor Cristina Freire

  110. Novel Layer-by-Layer Interfacial [Ni(salen)]−Polyelectrolyte Hybrid Films

    Article • Langmuir, July 2010, American Chemical Society (ACS)

    Professor Cristina Freire

  111. Factors influencing the binding of a potassium cation to a polyethylene glycol type podand in liquid–liquid extraction—a molecular dynamics study

    Article • Theoretical Chemistry Accounts, July 2010, Springer Science + Business Media

    Professor Cristina Freire

  112. Physicochemical characterization of silylated functionalized materials

    Article • Journal of Colloid and Interface Science, April 2010, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  113. A comparative molecular dynamics study on the complexation of alkali metal cations by a poly-ethylene-glycol type podand in water and in dichloromethane

    Article • Journal of Molecular Structure THEOCHEM, April 2010, Elsevier

    Professor Cristina Freire

  114. Oxidovanadium(IV) Complexes of 3-Hydroxy-4-pyrone and 3-Hydroxy-4-pyridinone Ligands: A New Generation of Homogeneous Catalysts for the Epoxidation of Geraniol

    Article • Catalysis Letters, February 2010, Springer Science + Business Media

    Professor Cristina Freire, Dr Clara Pereira

  115. Superparamagnetic γ-Fe2O3@SiO2 nanoparticles: a novel support for the immobilization of [VO(acac)2]

    Article • Dalton Transactions, January 2010, Royal Society of Chemistry

    Professor Cristina Freire, Dr Clara Pereira

  116. Solid-State Electrochromic Cells Based on [M(salen)]-Derived Electroactive Polymer Films

    Article • Electrochemical and Solid-State Letters, January 2010, The Electrochemical Society

    Professor Cristina Freire

  117. Anchoring of Chiral Manganese(III) Salen Complex onto Organo Clay and Porous Clay Heterostructure and Catalytic Activity in Alkene Epoxidation

    Article • Catalysis Letters, December 2009, Springer Science + Business Media

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  118. Solution properties and solvatochromism of bis(N-2-pyridyl-salicylaldiminato)cobalt(II)

    Article • Structural Chemistry, November 2009, Springer Science + Business Media

    Professor Cristina Freire

  119. Designing heterogeneous oxovanadium and copper acetylacetonate catalysts: Effect of covalent immobilisation in epoxidation and aziridination reactions

    Article • Journal of Molecular Catalysis A Chemical, October 2009, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Dr Clara Pereira, Joao Pires

  120. Organo-functionalized mesoporous supports for Jacobsen-type catalyst: Laponite versus MCM-41

    Article • Journal of Materials Science, June 2009, Springer Science + Business Media

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  121. Jacobsen catalyst anchored onto modified carbon xerogel as enantioselective heterogeneous catalyst for alkene epoxidation

    Article • Journal of Molecular Catalysis A Chemical, June 2009, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira

  122. Development of Novel Mesoporous Carbon Materials for the Catalytic Ozonation of Organic Pollutants

    Article • Catalysis Letters, May 2009, Springer Science + Business Media

    Professor Cristina Freire, Professor M. Fernando R Pereira

  123. Grafting of vanadyl acetylacetonate onto organo-hexagonal mesoporous silica and catalytic activity in the allylic epoxidation of geraniol

    Article • Polyhedron, April 2009, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Dr Clara Pereira, Joao Pires

  124. Modulation of electroactive polymer film dynamics by metal ion complexation and redox switching

    Article • Soft Matter, January 2009, Royal Society of Chemistry

    Professor Cristina Freire

  125. Viscoelastic characterization of benzo-crown ether functionalized electroactive films

    Article • Physical Chemistry Chemical Physics, January 2009, Royal Society of Chemistry

    Professor Cristina Freire

  126. Enantioselective Epoxidation of Alkenes by Jacobsen Catalyst Anchored onto Aminopropyl-functionalised Laponite, MCM-41 and FSM-16

    Article • Catalysis Letters, December 2008, Springer Science + Business Media

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  127. Pore tuned activated carbons as supports for an enantioselective molecular catalyst

    Article • Journal of Colloid and Interface Science, December 2008, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira

  128. Post-synthesis organo-sylanation of mesostructured FSM-16 for chiral Mn(III) salen catalyst anchoring

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, November 2008, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  129. Antioxidant activity of Agaricus sp. mushrooms by chemical, biochemical and electrochemical assays

    Article • Food Chemistry, November 2008, Elsevier

    Professor Cristina Freire

  130. Synthesis, Structure and Magnetic Behavior of Five-Coordinate Bis(iminopyrrolyl) Complexes of Cobalt(II) containing PMe 3 and THF Ligands

    Article • Inorganic Chemistry, October 2008, American Chemical Society (ACS)

    Professor Cristina Freire

  131. Preparation and characterization of poly[Ni(salen)(crown receptor)]/multi-walled carbon nanotube composite films

    Article • Electrochimica Acta, October 2008, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira

  132. Unusual Coordination Environment for Barium Cations in Ion Recognition Conducting Poly[Ni( salen )(receptor)] Films

    Article • Langmuir, August 2008, American Chemical Society (ACS)

    Professor Cristina Freire

  133. Electrocolorimetry of electrochromic materials on flexible ITO electrodes

    Article • Solar Energy Materials and Solar Cells, August 2008, Elsevier

    Professor Cristina Freire

  134. Carbon-Anchored Metal Complex Catalysts

    Article • April 2008, Wiley

    Professor Cristina Freire

  135. Vanadyl acetylacetonate anchored onto amine-functionalised clays and catalytic activity in the epoxidation of geraniol

    Article • Journal of Molecular Catalysis A Chemical, March 2008, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Dr Clara Pereira, Joao Pires

  136. Direct immobilisation versus covalent attachment of a Mn(III)salen complex onto an Al-pillared clay and influence in the catalytic epoxidation of styrene

    Article • Journal of Molecular Catalysis A Chemical, December 2007, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  137. Copper acetylacetonate anchored onto amine-functionalised clays

    Article • Journal of Colloid and Interface Science, December 2007, Elsevier

    Ana Paula Carvalho, Dr Clara Pereira, Professor Cristina Freire, Joao Pires

  138. Correlating structure and ion recognition properties of [Ni(salen)]-based polymer films

    Article • Journal of Electroanalytical Chemistry, November 2007, Elsevier

    Professor Cristina Freire

  139. Organo-functionalized activated carbons as supports for the covalent attachment of a chiral manganese(III) salen complex

    Article • Carbon, September 2007, Elsevier

    Professor Cristina Freire

  140. Anchoring of a [Mn(salen)Cl] complex onto mesoporous carbon xerogels

    Article • Journal of Colloid and Interface Science, July 2007, Elsevier

    Professor Cristina Freire, Professor M. Fernando R Pereira

  141. Acetato(N-phenylpyridine-2-carboxamidato-κ2N,N)(N-phenylpyridine-2-carboxamide-κ2N1,O)copper(II)

    Article • Acta Crystallographica Section C Crystal Structure Communications, June 2007, International Union of Crystallography

    Professor Cristina Freire, Dr John N Low

  142. Synthesis and catalytic properties in olefin epoxidation of dioxomolybdenum(vi) complexes bearing a bidentate or tetradentate salen-type ligand

    Article • Journal of Molecular Catalysis A Chemical, June 2007, Elsevier

    Professor Cristina Freire

  143. Bis(ketopyrrolyl) complexes of Co(ii) stabilised by trimethylphosphine ligands

    Article • Dalton Transactions, January 2007, Royal Society of Chemistry

    Professor Cristina Freire

  144. Styrene oxidation by manganese Schiff base complexes in zeolite structures

    Article • Journal of Molecular Catalysis A Chemical, October 2006, Elsevier

    Professor Cristina Freire

  145. Ring Slippage vs Charge Transfer in the Reductive Chemistry of [IndMo(CO)2(α-diimine)]+Cations

    Article • Organometallics, October 2006, American Chemical Society (ACS)

    Professor Cristina Freire

  146. Third-Order Nonlinear Optical Properties of DA-salen-Type Nickel(II) and Copper(II) Complexes

    Article • European Journal of Inorganic Chemistry, September 2006, Wiley

    Professor Cristina Freire

  147. Encapsulation of chiral Mn(III) salen complexes into aluminium pillared clays: Application as heterogeneous catalysts in the epoxidation of styrene

    Article • Journal of Molecular Catalysis A Chemical, April 2006, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  148. Covalent attachment of chiral manganese(III) salen complexes onto functionalised hexagonal mesoporous silica and application to the asymmetric epoxidation of alkenes

    Article • Microporous and Mesoporous Materials, April 2006, Elsevier

    Professor Cristina Freire

  149. Amine-Functionalised Hexagonal Mesoporous Silica as Support for Copper(II) Acetylacetonate Catalyst

    Article • European Journal of Inorganic Chemistry, March 2006, Wiley

    Professor Cristina Freire

  150. Organo-Laponites as Novel Mesoporous Supports for Manganese(III) salen Catalysts

    Article • Langmuir, November 2005, American Chemical Society (ACS)

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  151. Mn(III) salen complex immobilised into pillared clays by in situ and simultaneous pillaring/encapsulation procedures

    Article • Microporous and Mesoporous Materials, November 2005, Elsevier

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  152. (Salen)nickel-Catalysed Epoxidations in the Homogeneous and Heterogeneous Phase: The Implications of Oxygen on the Efficiency and Product Selectivity

    Article • European Journal of Inorganic Chemistry, November 2005, Wiley

    Professor Cristina Freire

  153. Anchoring of Vanadyl Acetylacetonate onto Amine-Functionalised Activated Carbons: Catalytic Activity in the Epoxidation of an Allylic Alcohol

    Article • European Journal of Inorganic Chemistry, October 2005, Wiley

    Professor Cristina Freire

  154. Spectroelectrochemical characterisation of copper salen-based polymer-modified electrodes

    Article • Electrochimica Acta, October 2005, Elsevier

    Professor Cristina Freire

  155. Chiral manganese(III) Schiff base complexes anchored onto activated carbon as enantioselective heterogeneous catalysts for alkene epoxidation

    Article • Carbon, August 2005, Elsevier

    Professor Cristina Freire

  156. Styrene epoxidation catalysed by manganese(III) salen complex supported on activated carbons

    Article • Applied Catalysis A General, May 2005, Elsevier

    Professor Cristina Freire

  157. Copper(II) acetylacetonate anchored onto an activated carbon as a heterogeneous catalyst for the aziridination of styrene

    Article • Catalysis Today, May 2005, Elsevier

    Professor Cristina Freire

  158. Catalytic Properties of a MnIII-Salen Complex Immobilised in a Pillared Clay by Simultaneous Pillaring/Encapsulation Procedures

    Article • European Journal of Inorganic Chemistry, March 2005, Wiley

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  159. Synthesis of ferrocenyldiimine metal carbonyl complexes and an investigation of the Mo adduct encapsulated in cyclodextrin

    Article • New Journal of Chemistry, January 2005, Royal Society of Chemistry

    Professor Cristina Freire

  160. Synthesis and characterization ofsalen-type ligands functionalized with pyrrole derivative pendant arms

    Article • Journal of Physical Organic Chemistry, January 2005, Wiley

    Professor Cristina Freire

  161. Reactions between isocyanides and a binuclear nickel(II) phosphine complex linked by a bridged bis(cyclopentadienyl) ligand. X-ray molecular structure of [(CNtBu)(PPh3)Ni{μ-(η-C5H4)CMe2(η-C5H4)}Ni(PPh3)(CNtBu)][PF6]2

    Article • Polyhedron, November 2004, Elsevier

    Professor Cristina Freire

  162. Nickel(II) and copper(II) Schiff base complexes bearing benzo-15-crown-5 functionalities as probes for spectroscopic recognition of lanthanide ions

    Article • Polyhedron, May 2004, Elsevier

    Professor Cristina Freire

  163. Anchoring of Copper(II) Acetylacetonate onto an Activated Carbon Functionalised with a Triamine

    Article • European Journal of Inorganic Chemistry, May 2004, Wiley

    Professor Cristina Freire

  164. Manganese(III) salen complexes anchored onto activated carbon as heterogeneous catalysts for the epoxidation of olefins

    Article • Microporous and Mesoporous Materials, March 2004, Elsevier

    Professor Cristina Freire

  165. Development of Novel Pillared Clays for the Encapsulation of Inorganic Complexes

    Article • Langmuir, March 2004, American Chemical Society (ACS)

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  166. Modulation of the catalytic activity of manganese(iii) salen complexes in the epoxidation of styrene: influence of the oxygen source

    Article • New Journal of Chemistry, January 2004, Royal Society of Chemistry

    Professor Cristina Freire

  167. Epoxidation of styrene by a manganese(iii) salen complex encapsulated in an aluminium pillared clay

    Article • New Journal of Chemistry, January 2004, Royal Society of Chemistry

    Professor Cristina Freire, Ana Paula Carvalho, Joao Pires

  168. Jacobsen catalyst anchored onto an activated carbon as an enantioselective heterogeneous catalyst for the epoxidation of alkenes

    Article • Carbon, January 2004, Elsevier

    Professor Cristina Freire

  169. Immobilization of Mo(IV) complex in hybrid matrix obtained via sol–gel technique

    Article • Journal of Alloys and Compounds, October 2003, Elsevier

    Professor Cristina Freire, Professor Isabel Correia Neves

  170. Electrochemical Behavior of a New Precursor for the Design of Poly[Ni(salen)]-Based Modified Electrodes

    Article • Langmuir, September 2003, American Chemical Society (ACS)

    Professor Cristina Freire

  171. Activated carbons with immobilised manganese(iii) salen complexes as heterogeneous catalysts in the epoxidation of olefins: influence of support and ligand functionalisation on selectivity and reusability

    Article • New Journal of Chemistry, January 2003, Royal Society of Chemistry

    Professor Cristina Freire

  172. Oxidation of ferrocene derivatives at a poly[Ni(saltMe)] modified electrode

    Article • Journal of Electroanalytical Chemistry, December 2002, Elsevier

    Professor Cristina Freire

  173. Heterogenization of a Functionalized Copper(II) Schiff Base Complex by Direct Immobilization onto an Oxidized Activated Carbon

    Article • Langmuir, October 2002, American Chemical Society (ACS)

    Professor Cristina Freire

  174. Immobilisation of amine-functionalised nickel(II) Schiff base complexes onto activated carbon treated with thionyl chloride

    Article • Microporous and Mesoporous Materials, September 2002, Elsevier

    Professor Cristina Freire

  175. Reductive electrochemical study of Ni(II) complexes with N2O2 Schiff base complexes and spectroscopic characterisation of the reduced species. Reactivity towards CO

    Article • Polyhedron, July 2002, Elsevier

    Professor Cristina Freire

  176. Photochemistry of nickel salen based complexes and relevance to catalysis

    Article • New Journal of Chemistry, March 2002, Royal Society of Chemistry

    Professor Emilio J Palomares, Professor Cristina Freire

  177. Anchoring of organic molecules onto activated carbon

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, September 2001, Elsevier

    Professor Cristina Freire

  178. Anchoring of a nickel(II) Schiff base complex onto activated carbon mediated by cyanuric chloride

    Article • Microporous and Mesoporous Materials, August 2001, Elsevier

    Professor Cristina Freire

  179. Diaqua{6,6′-dimethoxy-2,2′-[propane-1,3-diylbis(nitrilomethylidyne-N)]diphenolato-O,O′}nickel(II)

    Article • Acta Crystallographica Section C Crystal Structure Communications, October 2000, International Union of Crystallography

    Professor Cristina Freire

  180. Encapsulation of copper(II) complexes with pentadentate N3O2 Schiff base ligands derived from acetylacetone in NaX zeolite

    Article • Microporous and Mesoporous Materials, August 2000, Elsevier

    Professor Cristina Freire

  181. Electrochemical and X-ray studies of nickel(II) Schiff base complexes derived from salicylaldehyde

    Article • Polyhedron, March 2000, Elsevier

    Professor Cristina Freire

  182. Zeolite-encapsulated copper (II) complexes with N3O2 Schiff bases: synthesis and characterization

    Article • Colloids and Surfaces A Physicochemical and Engineering Aspects, August 1996, Elsevier

    Professor Cristina Freire, Professor Isabel Correia Neves

  183. Electrochemical and structural studies of nickel(II) complexes with N2O2 Schiff base ligands 2. Crystal and molecular structure of N,N′-l,2-ethane-1,2-diyl-bis(2- hydroxyacetophenonylideneiminate)nickel(II), N, N′-1,2-cis cyclohexane-1,2-diyl-bis(2-hyd...

    Article • Inorganica Chimica Acta, May 1994, Elsevier

    Professor Cristina Freire

  184. Decomposition of chemically and electrochemically generated nickel(III) complexes with N2O2 Schiff-base ligands

    Article • Journal of the Chemical Society Dalton Transactions, January 1994, Royal Society of Chemistry

    Professor Cristina Freire

  185. Electrochemical and structural studies of nickel(II) complexes with N2O2 Schiff base ligands derived from 2-hydroxy-1-naphthaldehyde. Molecular structure of N,N′-2,3-dimethylbutane-2,3-diyl-bis(2-hydroxy-1-naphthylideneiminate) nickel(II)

    Article • Inorganica Chimica Acta, March 1993, Elsevier

    Professor Cristina Freire

  186. Spectroscopic and magnetic properties of high spin chromium(II) and copper(II) complexes with bidentate α,α′-diimine ligands: 2,2′- pyridylbenzimidazole; 2,2′-pyridylimidazole and 2,2′-pyridylimidazoline

    Article • Polyhedron, January 1991, Elsevier

    Professor Cristina Freire

  187. Spectroscopic and Magnetic Properties of Low Spin Chromium(II)TrisComplexes with the Bidentate α-Diimine Ligands: 2,2′-Pyridylbenzimidazole, 2,2′-Pyridylimidazole and 2,2′-Pyridylimidazoline

    Article • Synthesis and Reactivity in Inorganic Metal-Organic and Nano-Metal Chemistry, January 1990, Taylor & Francis

    Professor Cristina Freire