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  1. Synthesis and evaluation of new isoquinoline diimide derivatives as small molecule acceptors for organic solar cells

    Article • Tetrahedron, June 2025, Elsevier

    Alejandro Ortiz

  2. Cover Feature: Comparative Study of Iminodibenzyl and Diphenylamine Derivatives as Hole Transport Materials in Inverted Perovskite Solar Cells (Chem. Eur. J. 13/2025)

    Article • Chemistry - A European Journal, March 2025, Wiley

    Alejandro Ortiz

  3. Comparative Study of Iminodibenzyl and Diphenylamine Derivatives as Hole Transport Materials in Inverted Perovskite Solar Cells

    Article • Chemistry - A European Journal, January 2025, Wiley

    Alejandro Ortiz

  4. An Automated Workflow to Discover the Structure–Stability Relations for Radiation Hard Molecular Semiconductors

    Article • Journal of the American Chemical Society, January 2025, American Chemical Society (ACS)

    Alejandro Ortiz

  5. Fundamentals in organic dyes for perovskite solar cells

    Article • Current Opinion in Colloid & Interface Science, December 2024, Elsevier

    Alejandro Ortiz

  6. Unveiling the Role of BODIPY Dyes as Small‐Molecule Hole Transport Material in Inverted Planar Perovskite Solar Cells

    Article • Solar RRL, May 2024, Wiley

    Alejandro Ortiz

  7. Synthesis and Evaluation of New Isoquinoline Diimide Derivatives as Small Molecule Acceptors for Organic Solar Cells

    Article • January 2024, Elsevier

    Alejandro Ortiz

  8. Synthesis and Evaluation of New Isoquinoline Diimide Derivatives as Small Molecule Acceptors for Organic Solar Cells

    Article • January 2024, Elsevier

    Alejandro Ortiz

  9. Structure and linkage assessment of T-shaped Pyrrolidine[60]Fullerene- and Isoxazoline[60]Fullerene-BODIPY-triarylamine hybrids

    Article • Dyes and Pigments, September 2023, Elsevier

    Alejandro Ortiz

  10. Enhancing Planar Inverted Perovskite Solar Cells with Innovative Dumbbell‐Shaped HTMs: A Study of Hexabenzocoronene and Pyrene‐BODIPY‐Triarylamine Derivatives

    Article • Advanced Functional Materials, July 2023, Wiley

    Alejandro Ortiz

  11. Morphology Determines an Efficient Coherent Electron Transport for Push–Pull Organic Semiconductors Based on Triphenylamine and Dicyanovinyl Groups

    Article • Materials, March 2023, MDPI AG

    Alejandro Ortiz

  12. Influence of alkyl chain length on the photovoltaic properties of dithienopyran-based hole-transporting materials for perovskite solar cells

    Article • Journal of Materials Chemistry C, January 2023, Royal Society of Chemistry

    Alejandro Ortiz

  13. New organic photosensitizers based on triphenylamine and hydantoin as anchoring group onto TiO2 Surface

    Article • Journal of Molecular Structure, March 2022, Elsevier

    Alejandro Ortiz

  14. Photophysical Properties of BODIPY Derivatives for the Implementation of Organic Solar Cells: A Computational Approach

    Article • ACS Omega, January 2022, American Chemical Society (ACS)

    Alejandro Ortiz

  15. Last Generation Solar Cells in Outer Space: A STEM Outreach Project with Middle and High School Students in Colombia

    Article • European Journal of STEM Education, November 2021, Lectito BV

    Alejandro Ortiz

  16. Selenophene‐Based Hole‐Transporting Materials for Perovskite Solar Cells

    Article • ChemPlusChem, July 2021, Wiley

    Alejandro Ortiz

  17. Three-component one-pot synthesis of new spiro[indoline-pyrrolidine] derivatives mediated by 1,3-dipolar reaction and DFT analysis

    Article • Monatshefte für Chemie - Chemical Monthly, April 2021, Springer Science + Business Media

    Alejandro Ortiz

  18. Theoretical characterization of photoactive molecular systems based on BODIPY-derivatives for the design of organic solar cells

    Article • Computational and Theoretical Chemistry, March 2021, Elsevier

    Alejandro Ortiz

  19. A theoretical chemistry-based strategy for design of new luminescent lanthanide complexes

    Article • Dalton Transactions, January 2021, Royal Society of Chemistry

    Dr Alexander Carreño, Alejandro Ortiz

  20. Optical and electrochemical effects of triarylamine inclusion to alkoxy BODIPY-based derivatives

    Article • New Journal of Chemistry, January 2021, Royal Society of Chemistry

    Alejandro Ortiz

  21. Synthesis, characterization and photophysics of novel BODIPY linked to dumbbell systems based on Fullerene[60]pyrrolidine and Fullerene[60]isoxazoline

    Article • Dyes and Pigments, January 2021, Elsevier

    Alejandro Ortiz

  22. Azatruxene‐Based, Dumbbell‐Shaped, Donor–π‐Bridge–Donor Hole‐Transporting Materials for Perovskite Solar Cells

    Article • Chemistry - A European Journal, July 2020, Wiley

    Alejandro Ortiz

  23. Synthesis, photophysical properties and theoretical studies of new bis-quinolin curcuminoid BF2-complexes and their decomplexed derivatives

    Article • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, January 2020, Elsevier

    Alejandro Ortiz

  24. Evaluating the intramolecular charge transfer in novel meso-alkoxyphenyl and β-ethynylphenolic BODIPY derivatives

    Article • Journal of Molecular Structure, January 2020, Elsevier

    Alejandro Ortiz

  25. Hole transporting materials (HTM)

    Article • Dyes and Pigments, December 2019, Elsevier

    Alejandro Ortiz

  26. Catalyst-free three-component synthesis of new pyrrolidine derivatives via 1,3-dipolar cycloaddition

    Article • Chemistry of Heterocyclic Compounds, May 2019, Springer Science + Business Media

    Alejandro Ortiz

  27. Rhodanine-based light-harvesting sensitizers: a rational comparison between 2-(1,1-dicyanomethylene)rhodanine and rhodanine-3-acetic acid

    Article • New Journal of Chemistry, January 2019, Royal Society of Chemistry

    Alejandro Ortiz

  28. Optical and Electronic Properties of Molecular Systems Derived from Rhodanine

    Article • The Journal of Physical Chemistry A, October 2018, American Chemical Society (ACS)

    Alejandro Ortiz

  29. Synthesis of novel light harvesters based on perylene imides linked to triphenylamines for Dyes Sensitized Solar Cells

    Article • Dyes and Pigments, June 2018, Elsevier

    Alejandro Ortiz

  30. Novel BODIPY-C60 derivatives with tuned photophysical and electron-acceptor properties: Isoxazolino[60]fullerene and pyrrolidino[60]fullerene

    Article • Journal of Luminescence, February 2018, Elsevier

    Alejandro Ortiz

  31. Computational and Experimental Study on Molecular Structure of Benzo[g]pyrimido[4,5-b]quinoline Derivatives: Preference of Linear over the Angular Isomer

    Article • Applied Sciences, September 2017, MDPI AG

    Alejandro Ortiz

  32. Microwave assisted synthesis of a series of charge-transfer photosensitizers having quinoxaline-2(1H)-one as anchoring group onto TiO2 surface

    Article • Journal of Molecular Structure, April 2017, Elsevier

    Alejandro Ortiz

  33. Synthesis and Antifungal in Vitro Evaluation of Pyrazolo[3,4-b]pyridines Derivatives Obtained by Aza-Diels–Alder Reaction and Microwave Irradiation

    Article • Chemical and Pharmaceutical Bulletin, January 2017, Pharmaceutical Society of Japan

    Alejandro Ortiz

  34. Synthesis, the electronic properties and efficient photoinduced electron transfer of new pyrrolidine[60]fullerene- and isoxazoline[60]fullerene-BODIPY dyads: nitrile oxide cycloaddition under mild conditions using PIFA

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

    Alejandro Ortiz

  35. Syntheses, Experimental and Theoretical Studies on Absorption/Emission Properties of Pyrazoline-Containing Aryl/Methoxynaphthyl Substituents

    Article • Journal of the Brazilian Chemical Society, January 2017, Sociedade Brasileira de Quimica (SBQ)

    Alejandro Ortiz

  36. Synthesis, structures, electrochemical studies and antioxidant activity of 5-aryl-4-oxo-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-7-carboxylic acids

    Article • Journal of Molecular Structure, September 2016, Elsevier

    Alejandro Ortiz

  37. Synthesis and study of the electronic properties of pyrazolo[1,5-c]pyrrolo[1,2-a]quinazoline and pyrazolo[1,5-c]pyrido[1,2-a]quinazoline derivatives

    Article • Monatshefte für Chemie - Chemical Monthly, June 2016, Springer Science + Business Media

    Alejandro Ortiz

  38. Solvent-free microwave-assisted synthesis of novel pyrazolo[4′,3′:5,6]pyrido[2,3-d]pyrimidines with potential antifungal activity

    Article • Arabian Journal of Chemistry, May 2016, Elsevier

    Alejandro Ortiz

  39. Structural effects on the photoelectrochemical properties of new push-pull dyes based on vinazene acceptor triphenylamine donor

    Article • Journal of Molecular Structure, May 2016, Elsevier

    Alejandro Ortiz

  40. Synthesis and study of fluorescence properties of novel pyrazolo[4′,3′:5,6]pyrido[2,3-d]pyrimidin-5(6H)-one derivatives

    Article • Journal of Molecular Structure, October 2015, Elsevier

    Alejandro Ortiz

  41. Fluoren-9-ylidene-Based Dyes for Dye-Sensitized Solar Cells

    Article • European Journal of Organic Chemistry, July 2015, Wiley

    Alejandro Ortiz

  42. Microwave-Assisted Synthesis of Novel Pyrazolo[3,4-g][1,8]naphthyridin-5-amine with Potential Antifungal and Antitumor Activity

    Article • Molecules, May 2015, MDPI AG

    Alejandro Ortiz

  43. New organic dyes with high IPCE values containing two triphenylamine units as co-donors for efficient dye-sensitized solar cells

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

    Alejandro Ortiz

  44. On–off switch of charge-separated states of pyridine-vinylene-linked porphyrin–C60 conjugates detected by EPR

    Article • Chemical Science, January 2015, Royal Society of Chemistry

    Alejandro Ortiz

  45. Zn(II)-porphyrin dyes with several electron acceptor groups linked by vinyl-fluorene or vinyl-thiophene spacers for dye-sensitized solar cells

    Article • Dyes and Pigments, January 2015, Elsevier

    Alejandro Ortiz

  46. Effect of π-conjugated linkage on photophysical properties: Acetylene linker as the better connection group for highly solvatochromic probes

    Article • Dyes and Pigments, December 2014, Elsevier

    Alejandro Ortiz

  47. Rhodanine-3-acetic acid and π-extended tetrathiafulvalene (exTTF) based systems for dye-sensitized solar cells

    Article • New Journal of Chemistry, September 2014, Royal Society of Chemistry

    Nazario Martín, Alejandro Ortiz

  48. Organic dyes containing 2-(1,1-dicyanomethylene)rhodanine as an efficient electron acceptor and anchoring unit for dye-sensitized solar cells

    Article • Dyes and Pigments, August 2014, Elsevier

    Alejandro Ortiz

  49. Geometric Influence on Intramolecular Photoinduced Electron Transfer in Platinum(II) Acetylide-Linked Donor-Acceptor Assemblies

    Article • Chemistry - A European Journal, July 2014, Wiley

    Alejandro Ortiz

  50. Highly Efficient and Diastereoselective Synthesis of New Pyrazolylpyrrolizine and Pyrazolylpyrrolidine Derivates by a Three-Component Domino Process

    Article • Molecules, April 2014, MDPI AG

    Alejandro Ortiz

  51. Microwave induced three-component synthesis and antimycobacterial activity of benzopyrazolo[3,4-b]quinolindiones

    Article • European Journal of Medicinal Chemistry, March 2014, Elsevier

    Alejandro Ortiz

  52. Influence of acetylene-linked π-spacers on triphenylamine–fluorene dye sensitized solar cells performance

    Article • Solar Energy Materials and Solar Cells, February 2014, Elsevier

    Alejandro Ortiz

  53. A Straightforward and Efficient Method for the Synthesis of Diversely Substituted β-Aminoketones and γ-Aminoalcohols from 3-(N,N-Dimethylamino)propiophenones as Starting Materials

    Article • Journal of the Brazilian Chemical Society, January 2013, Sociedade Brasileira de Quimica (SBQ)

    Alejandro Ortiz

  54. Antimycobacterial Activity of Pyrimido[4,5-b]diazepine Derivatives

    Article • Archiv der Pharmazie, June 2012, Wiley

    Alejandro Ortiz

  55. Microwave-assisted synthesis under solvent-free conditions of (E)-2-(Benzo[d]thiazol-2-yl)-3-arylacrylonitriles

    Article • Journal of the Brazilian Chemical Society, December 2011, FapUNIFESP (SciELO)

    Alejandro Ortiz

  56. Free-base tetraarylporphyrin covalently linked to [60]fullerene through ethynylfluorene spacer

    Article • Journal of Porphyrins and Phthalocyanines, November 2011, World Scientific Pub Co Pte Lt

    Alejandro Ortiz

  57. Efficient microwave-assisted synthesis and antitumor activity of novel 4,4′-methylenebis[2-(3-aryl-4,5-dihydro-1H-pyrazol-5-yl)phenols]

    Article • European Journal of Medicinal Chemistry, June 2011, Elsevier

    Alejandro Ortiz

  58. 2-(1,1-dicyanomethylene)rhodanine: A novel, efficient electron acceptor

    Article • Dyes and Pigments, March 2011, Elsevier

    Alejandro Ortiz

  59. Vinyl spacers—tuning electron transfer through fluorene-based molecular wires

    Article • Energy & Environmental Science, January 2011, Royal Society of Chemistry

    Alejandro Ortiz

  60. A Simple One-Pot Synthesis of New Imidazol-2-yl-1H-quinolin-2-ones from the Direct Reaction of 2-Chloroquinolin-3-carbaldehyde with Aromatico-Diamines

    Article • European Journal of Organic Chemistry, January 2010, Wiley

    Alejandro Ortiz

  61. Hexamethylenediammonium bis(chloroacetate): a three-dimensional hydrogen-bonded framework structure

    Article • Acta Crystallographica Section C Crystal Structure Communications, August 2008, International Union of Crystallography

    Dr John N Low, Alejandro Ortiz

  62. Aminopyrimidine-Based Donor–Acceptor Chromophores: Push–Pull versus Aromatic Behaviour

    Article • European Journal of Organic Chemistry, January 2008, Wiley

    Alejandro Ortiz

  63. An integrated approach to assess water quality and environmental contamination in the fluvial-lagoon system of the Palizada River, Mexico

    Article • Environmental Toxicology and Chemistry, November 2006, Oxford University Press (OUP)

    Alejandro Ortiz