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  1. Bandgap Engineering and Carrier Dynamics in MoSSe Alloys: A Comparative Analysis with MoS2 and MoSe2

    Article • Optical Materials, March 2026, Elsevier

    Mahesh Kumar

  2. Tailoring optical properties of MoS 2 nanosheets for advanced optoelectronic applications

    Article • Nanotechnology, November 2025, Institute of Physics Publishing

    Mahesh Kumar

  3. Growth of ZnSe/TiSe2 layered pyramidal heterostructures for photoelectrochemical water-splitting

    Article • Journal of Materials Science Materials in Electronics, September 2025, Springer Science + Business Media

    Mahesh Kumar

  4. Tailoring GaN nanorods with MoS2 on tungsten foil for enhanced photoelectrochemical performance

    Article • Frontiers in Energy, August 2025, Springer Science + Business Media

    Mahesh Kumar

  5. Phytochemically tailored green synthesised multifunctional zinc oxide nanoparticles with enhanced antimicrobial and nonlinear optical properties

    Article • Journal of Alloys and Compounds, August 2025, Elsevier

    Mahesh Kumar

  6. Temperature-dependent ultrafast carrier and lattice dynamics in Dirac semimetals NiTe2 and

    Article • Physical Review B, June 2025, American Physical Society (APS)

    Mahesh Kumar

  7. Ultrafast dynamics and tunable coherent optical phonons via hybridization and gold layering in hybrid topological Bi2Se1.5Te1.5

    Article • Materials Today Quantum, June 2025, Elsevier

    Mahesh Kumar

  8. Investigating the supercapacitive and photocatalytic characteristics of CuO-TiO2 nanocomposites: a route towards clean and sustainable environment

    Article • Journal of Materials Science, May 2025, Springer Science + Business Media

    Mahesh Kumar

  9. Dual Probe Optical and Electrical Investigation of Ultrafast Electron–Phonon Interaction in Bi2Se3/ZnSe Heterostructures

    Article • ACS Applied Electronic Materials, May 2025, American Chemical Society (ACS)

    Mahesh Kumar

  10. FePS3-MoS2 p-n junctions for broadband optoelectronics

    Article • npj 2D Materials and Applications, March 2025, Springer Science + Business Media

    Mahesh Kumar

  11. Excited state photophysics of lead and lead-free perovskite nanocrystals: A temporal spectroscopic analysis

    Article • Optical Materials, March 2025, Elsevier

    Mahesh Kumar

  12. Exploring substrate and Structure-Induced ultrafast phonon dynamics in Bi2Te3 thin films

    Article • Applied Surface Science, March 2025, Elsevier

    Mahesh Kumar

  13. Unveiling Optoelectronic Properties and Charge Carrier Dynamic Mechanisms in Bi2Se3-Based vdW Heterostructures

    Article • ACS Applied Optical Materials, February 2025, American Chemical Society (ACS)

    Mahesh Kumar

  14. Unraveling the thickness-dependent high photoconductivity in BaSnO3 thin films: insights from ultrafast charge carrier dynamics

    Article • Journal of Physics D Applied Physics, January 2025, Institute of Physics Publishing

    Mahesh Kumar

  15. High electrical conductivity induced by charge transfer interactions in naphthalenediimide derivatives

    Article • Journal of Molecular Structure, January 2025, Elsevier

    Mahesh Kumar

  16. Bandgap Engineering and Carrier Dynamics in MoSSe Alloys: A Comparative Analysis with MoS2 and MoSe2

    Article • January 2025, Elsevier

    Mahesh Kumar

  17. Intricate carrier dynamics of bismuth halide perovskites: localized excitons and polarons

    Article • Journal of Materials Chemistry C, January 2025, Royal Society of Chemistry

    Mahesh Kumar

  18. Unraveling the Interplay of Charge Transfer and Excited State Dynamics in MAPbBr3/Bi2Se3 Heterostructures

    Article • ACS Applied Electronic Materials, November 2024, American Chemical Society (ACS)

    Mahesh Kumar

  19. Deciphering Photophysical Carrier Dynamics in Lead-Free Perovskites: Influence of Lattice Dimensionality

    Article • The Journal of Physical Chemistry C, November 2024, American Chemical Society (ACS)

    Mahesh Kumar

  20. Intercalation-enhanced topological material Bi2Se3: Tuning charge carrier and phonon dynamics for advanced optoelectronic and terahertz applications

    Article • Applied Materials Today, October 2024, Elsevier

    Mahesh Kumar

  21. Revealing Defect Passivation and Charge Extraction by Ultrafast Spectroscopy in Perovskite Solar Cells through a Multifunctional Lewis Base Additive Approach

    Article • Solar RRL, September 2024, Wiley

    Mahesh Kumar

  22. A room-temperature ultrafast carrier dynamical study and thickness-dependent investigation of WTe2thin films on a flexible PET substrate

    Article • Physica Scripta, September 2024, Institute of Physics Publishing

    Mahesh Kumar

  23. Revealing Enhanced Optoelectronic Performance of Sb2Se3‐Based Self‐Sustaining Heterostructures with Bi2Se3 and ZnSe: A Dual Polarity Photo Response

    Article • Advanced Functional Materials, August 2024, Wiley

    Mahesh Kumar

  24. Investigating bifunctional linker-assisted photocatalytic behavior of Ag–TiO2 nanocomposites

    Article • Journal of Applied Physics, August 2024, American Institute of Physics

    Mahesh Kumar

  25. Exploring the Feasibility of Copper Incorporation in Halide Perovskites: Impact on CO2 Photoreduction Performance

    Article • Advanced Energy Materials, July 2024, Wiley

    Mahesh Kumar

  26. Unveiling Electric Bias Effects on Ultrafast Carrier Dynamics in Multiple Stacked ZnTe/Bi2Te3 Heterostructures

    Article • The Journal of Physical Chemistry C, July 2024, American Chemical Society (ACS)

    Mahesh Kumar

  27. Competing Energy Scales and Phase Separation in Topological Superconductor Sn0.4Sb0.6 Alloys: Temperature- and Excitation-Dependent Ultrafast Pump–Probe Studies

    Article • The Journal of Physical Chemistry C, June 2024, American Chemical Society (ACS)

    Mahesh Kumar

  28. Unveiling the Potential of Halide Perovskites for Seasonally Adaptive CO2 Photoreduction under Low Light Conditions

    Article • Advanced Functional Materials, May 2024, Wiley

    Mahesh Kumar

  29. Charge Carrier Formation following Energy Gap Law in Photo-Activated Organic Materials for Efficient Solar Cells

    Article • Energies, April 2024, MDPI AG

    Mahesh Kumar

  30. Symmetry breaking charge transfer behaviour in D-A-D triad system by selective excitation

    Article • Journal of Molecular Structure, April 2024, Elsevier

    Mahesh Kumar

  31. Tuning Ultrafast Carrier Dynamics and Broadband Photo-Response of High-Performance Sb2Se3 Thin Film Photodetectors: A Substrate Dependent Study

    Article • ACS Photonics, March 2024, American Chemical Society (ACS)

    Mahesh Kumar

  32. Unveiling Electric Field Induced Ultrafast Charge Transfer Dynamics and Photoresponse Enhancement in Gold‐Interlayered Bi2Se3

    Article • Advanced Optical Materials, March 2024, Wiley

    Mahesh Kumar

  33. Exploring charge transfer mechanisms and optical properties in vdW heterostructures of MoS2 and Bi2Se3 at nanoscale regime

    Article • Physica B Condensed Matter, February 2024, Elsevier

    Mahesh Kumar

  34. Self-powered, thermally stable Sb2Se3-based high-performance broadband photodetector

    Article • Optics & Laser Technology, February 2024, Elsevier

    Mahesh Kumar

  35. Topological Insulator TlBiSe2/GaN Vertical Heterojunction Diode for High Responsive Broadband UV to Near-Infrared Photodetector

    Article • Journal of Electronic Materials, January 2024, Springer Science + Business Media

    Mahesh Kumar

  36. Multifaceted properties of TiO2 nanoparticles synthesized using Mangifera indica and Azadirachta indica plant extracts: antimicrobial, antioxidant, and non-linear optical activity investigation for sustainable agricultural appl...

    Article • Materials Advances, January 2024, Royal Society of Chemistry

    Mahesh Kumar

  37. Detrapping of the carriers from shallow states in a highly responsive, fast, broadband (UV-vis-NIR), self-powered SnSe/Si photodetector with asymmetric metal electrodes

    Article • Materials Advances, January 2024, Royal Society of Chemistry

    Mahesh Kumar

  38. Global and Target Analysis of a 3d Micromachined Photonic Structure on the Silicon Substrate

    Article • January 2024, Elsevier

    Mahesh Kumar

  39. Proximity induced band gap opening in topological-magnetic heterostructure (Ni80Fe20/p-TlBiSe2/p-Si) under ambient condition

    Article • Scientific Reports, December 2023, Springer Science + Business Media

    Mahesh Kumar

  40. Substrate-Dependent Ultrafast Charge-Carrier Dynamics: Unveiling the Annealing Effect on Optoelectronic Performance of Sb2Se3Thin Films

    Article • The Journal of Physical Chemistry C, December 2023, American Chemical Society (ACS)

    Mahesh Kumar

  41. Multiband spectral response inspired by ultra-high responsive thermally stable and self-powered Sb2Se3/GaN heterojunction based photodetector

    Article • Surfaces and Interfaces, November 2023, Elsevier

    Mahesh Kumar

  42. Plasmon-assisted photocatalysis of organic pollutants by Au/Ag–TiO2 nanocomposites: a comparative study

    Article • Materials Today Sustainability, September 2023, Elsevier

    Mahesh Kumar

  43. Insight into Controlled Surface Passivation of PEDOT:PSS for Defect Density Modulation and Efficient Charge Transport for Perovskite Solar Cells

    Article • ACS Applied Energy Materials, August 2023, American Chemical Society (ACS)

    Mahesh Kumar

  44. Sb2Se3 Nanosheet Film-Based Devices for Ultraviolet Photodetection and Resistive Switching

    Article • ACS Applied Nano Materials, August 2023, American Chemical Society (ACS)

    Mahesh Kumar

  45. SnO2 nanostructured thin film as humidity sensor and its application in breath monitoring

    Article • Ceramics International, August 2023, Elsevier

    Mahesh Kumar

  46. Growth, structural and optical analysis of sodium sulphamate single crystal for NLO applications

    Article • Journal of Nonlinear Optical Physics & Materials, July 2023, World Scientific Pub Co Pte Lt

    Mahesh Kumar

  47. Growth, structural, mechanical and advanced optical analysis of l-glutamic hydrobromide single crystal

    Article • Journal of Materials Science Materials in Electronics, June 2023, Springer Science + Business Media

    Mahesh Kumar

  48. Probing the Electron Transfer Behavior from Excited State Organometal Lead Halide Perovskite Nanocrystals to Molybdenum Disulfide Nanoflowers

    Article • ACS Applied Nano Materials, May 2023, American Chemical Society (ACS)

    Mahesh Kumar

  49. Slow Cooling and Transfer Dynamics of Hot Excitons in CsPbBr3 Perovskite Quantum Dots/g-CN Nanosheet Heterostructures: Implications for Optoelectronic Applications

    Article • ACS Applied Nano Materials, May 2023, American Chemical Society (ACS)

    Mahesh Kumar

  50. Lifetime enhancement in the laser-induced periodic surface structures on Si(100) probed by ultrafast transient absorption spectroscopy

    Article • Physica B Condensed Matter, May 2023, Elsevier

    Mahesh Kumar

  51. High-resolution spectroscopy of Holmium Perchlorate: Establishment of wavelength standard for spectrophotometer

    Article • Optical Materials, April 2023, Elsevier

    Mahesh Kumar

  52. Growth and assessment of optical and non-linear optical properties of lithium sulphamate single crystal for optoelectronic applications

    Article • Journal of Materials Science Materials in Electronics, March 2023, Springer Science + Business Media

    Mahesh Kumar

  53. Ultrafast Charge Transfer Mechanism in Van der Waals Heterostructures of Topological Insulators with 2D Materials

    Article • The Journal of Physical Chemistry C, March 2023, American Chemical Society (ACS)

    Mahesh Kumar

  54. Visible to near-infrared broadband photodetector employing thin film topological insulator heterojunction (p-TlBiSe2/n-Si) diode

    Article • Applied Surface Science, March 2023, Elsevier

    Mahesh Kumar

  55. Insight into Hot Carrier Kinetics of CsPbBr3/ZnO Heterostructures for Photodetector Application

    Article • ACS Applied Optical Materials, February 2023, American Chemical Society (ACS)

    Mahesh Kumar

  56. Renewable p-Xylene Production by Catalytic Conversion of Crude Bioglycerol (GTA-pX Process)

    Article • Industrial & Engineering Chemistry Research, January 2023, American Chemical Society (ACS)

    Mahesh Kumar

  57. Elucidating Polaron Dynamics in Cs2AgBiBr6 Double Perovskite

    Article • The Journal of Physical Chemistry Letters, January 2023, American Chemical Society (ACS)

    Mahesh Kumar

  58. Ultrafast transient absorption spectroscopic (UFTAS) and antibacterial efficacy studies of phytofabricated silver nanoparticles using Ocimum Sanctum leaf extract

    Article • Inorganic Chemistry Communications, January 2023, Elsevier

    Mahesh Kumar

  59. Observation of strong electron-phonon interaction in polymeric diluted organic semiconductor

    Article • Chemical Physics, January 2023, Elsevier

    Mahesh Kumar

  60. Tailoring the Properties of Nanocrystalline Tin(II) Selenide Films through Precursor Concentration Modulation

    Article • Indian Journal of Engineering and Materials Sciences, January 2023, CSIR-National Institute of Science Communication and Policy Research (NIScPR)

    Mahesh Kumar

  61. Revealing the Substrate Dependent Ultrafast Phonon Dynamics in Bi2Se3 Thin Films

    Article • Advanced Materials Interfaces, December 2022, Wiley

    Mahesh Kumar

  62. Improved photoconductive gain and high responsivity in LT-GaAs on UHV annealing without arsenic overpressure

    Article • Physica B Condensed Matter, December 2022, Elsevier

    Mahesh Kumar

  63. Perylenediimide derivatives with branched imide substituents: Aggregation behaviour and impact on photovoltaic properties

    Article • Solar Energy, November 2022, Elsevier

    Mahesh Kumar

  64. Ultrafast transient absorption spectroscopic studies on the Impact of growth time on size, stability, and optical characteristics of colloidal gold nanoparticles

    Article • Optik, October 2022, Elsevier

    Mahesh Kumar

  65. Plasmon mediated terahertz frequency response with AuGe self-assembled hole-arrays over gallium arsenide

    Article • September 2022, SPIE

    Mahesh Kumar

  66. Photocatalytic CO2 Reduction Using an Amorphous TiO2-Encapsulated Cs2AgBiBr6 Nanocrystal: Selective Methane Formation

    Article • Energy & Fuels, September 2022, American Chemical Society (ACS)

    Mahesh Kumar

  67. Structural correlation of phonon dynamics in Bismuth and Tellurium for the formation of Bismuth Telluride, using ultrafast transient absorption spectroscopy

    Article • Physica B Condensed Matter, August 2022, Elsevier

    Mahesh Kumar

  68. UV to NIR tunable photodetector using Bi2Te2Se/n-GaN heterojunction

    Article • Surfaces and Interfaces, August 2022, Elsevier

    Mahesh Kumar

  69. Corrigendum to “Metal doping in topological insulators- a key for tunable generation of terahertz” [Solid State Commun. 319 (2020) 114005]

    Article • Solid State Communications, August 2022, Elsevier

    Mahesh Kumar

  70. Temperature-Dependent Evaluation of Charge Carriers and Terahertz Generation in Bismuth and Antimony-Based Chalcogenides

    Article • July 2022, IntechOpen

    Mahesh Kumar

  71. Polaron-Mediated Photoconduction in Lead-Free Single-Crystalline Perovskite Thin-Film Devices

    Article • The Journal of Physical Chemistry C, July 2022, American Chemical Society (ACS)

    Mahesh Kumar

  72. Comprehensive Study of the Topological Surface States through Ultrafast Pump–Probe Spectroscopy

    Article • The Journal of Physical Chemistry C, July 2022, American Chemical Society (ACS)

    Mahesh Kumar

  73. Ultrafast carrier and phonon dynamics in thin films of bismuth telluride on a flexible substrate

    Article • Optical Materials, June 2022, Elsevier

    Mahesh Kumar

  74. Contaminants of Emerging Concerns and Reigning Removal Technologies

    Article • May 2022, Taylor & Francis

    Mahesh Kumar

  75. Ultrafast probing of indium doping on SnTe topological insulator

    Article • Physica B Condensed Matter, April 2022, Elsevier

    Mahesh Kumar

  76. Temperature-dependent evolution of topological surface states

    Article • Solid State Sciences, March 2022, Elsevier

    Mahesh Kumar

  77. Charge transfer induced symmetry breaking in GaN/Bi2Se3 topological heterostructure device

    Article • npj 2D Materials and Applications, February 2022, Springer Science + Business Media

    Mahesh Kumar

  78. A review on advancements in carbon quantum dots and their application in photovoltaics

    Article • RSC Advances, January 2022, Royal Society of Chemistry

    Mahesh Kumar

  79. Charge transfer excitons in unfunctionalized graphite-wrapped MAPbBr3 nanocrystal composites with different morphologies

    Article • New Journal of Chemistry, January 2022, Royal Society of Chemistry

    Mahesh Kumar

  80. Tuning of energy levels, transport properties and device performance of naphthalenediimide derivatives by introduction of Michael addition reaction

    Article • New Journal of Chemistry, January 2022, Royal Society of Chemistry

    Mahesh Kumar

  81. Influence of the fluoride anion on photoinduced charge transfer interactions in adenine-functionalized push–pull naphthalenediimide chromophores

    Article • Materials Advances, January 2022, Royal Society of Chemistry

    Mahesh Kumar

  82. Correction: A review on advancements in carbon quantum dots and their application in photovoltaics

    Article • RSC Advances, January 2022, Royal Society of Chemistry

    Mahesh Kumar

  83. Topological data analysis and Comparison of physical parameters of different forms of Graphene

    Article • International Journal of Computational Materials Science and Surface Engineering, January 2022, Inderscience Publishers

    Mahesh Kumar

  84. Visible to Near-Infrared Broadband Photodetector Employing Thin Film Topological Insulator Heterojunction (P-Tlbise2/N-Si) Diode

    Article • SSRN Electronic Journal, January 2022, Elsevier

    Mahesh Kumar

  85. A comparative study exploring the ligand binding capabilities of quarternary chalcopyrite copper indium gallium diselenide (CIGSe) nanocrystals

    Article • Journal of Molecular Structure, December 2021, Elsevier

    Mahesh Kumar

  86. Low-temperature ultrafast optical probing of topological bismuth selenide

    Article • Journal of Alloys and Compounds, December 2021, Elsevier

    Mahesh Kumar

  87. Thermo-physical properties of paraffin/TiO2 and sorbitol/TiO2 nanocomposites for enhanced phase change materials: a study on the stability issue

    Article • Applied Physics A, November 2021, Springer Science + Business Media

    Mahesh Kumar

  88. Wavelength and decay time tuning of intraband transitions in low spatial frequency laser-induced periodic surface structures

    Article • Optik, November 2021, Elsevier

    Mahesh Kumar

  89. Giant photoresponsivity of transfer free grown fluorographene – MoS2 heterostructured ultra-stable transistors

    Article • Materials Today, November 2021, Elsevier

    Mahesh Kumar

  90. Power Dependent Hot Carrier Cooling Dynamics in Trioctylphosphine Capped CsPbBr 3 Perovskite Quantum Dots Using Ultrafast Spectroscopy

    Article • ChemistrySelect, October 2021, Wiley

    Mahesh Kumar

  91. Comprehensive analysis of Terahertz frequency response of Bi2Se3 and Bi2Te3 single crystals using Terahertz time-domain spectroscopy

    Article • Materials Science and Engineering B, October 2021, Elsevier

    Mahesh Kumar

  92. Tuning the Plasmonic Response of AuGe Nanoparticles on GaAs Substrates: Implications for Photodetectors

    Article • ACS Applied Nano Materials, September 2021, American Chemical Society (ACS)

    Mahesh Kumar

  93. In situ growth of an ethyl p-hydroxybenzoate single crystal by the vertical Bridgman technique: a potential nonlinear optical material for third-harmonic generation

    Article • Journal of Applied Crystallography, September 2021, International Union of Crystallography

    Mahesh Kumar

  94. Defect density and performance influenced by ozone treatment of ZnO interface in inverted organic solar cell

    Article • Solar Energy, September 2021, Elsevier

    Mahesh Kumar

  95. Highly Sensitive Detection of Nitro Compounds Using a Fluorescent Copolymer-Based FRET System

    Article • ACS Applied Polymer Materials, July 2021, American Chemical Society (ACS)

    Mahesh Kumar

  96. Transient Spectroscopic Dynamics of Excitons and Polarons in the P3HT:FLR Blend

    Article • The Journal of Physical Chemistry C, July 2021, American Chemical Society (ACS)

    Mahesh Kumar

  97. Topological insulator Bi2Se3 as a tunable crystal for terahertz frequency generation

    Article • Applied Physics A, April 2021, Springer Science + Business Media

    Mahesh Kumar

  98. Detection and analysis of structural changes in MoO3/Ag heterostructure by ultrafast transient absorption spectroscopy

    Article • Physica B Condensed Matter, March 2021, Elsevier

    Mahesh Kumar

  99. Ultrafast excited-state dynamics of SnSe2–SnSe composite thin film

    Article • AIP Advances, February 2021, American Institute of Physics

    Manoj Kumar, Mahesh Kumar

  100. A comprehensive study of ultrafast carrier dynamics of LT-GaAs: Above and below bandgap regions

    Article • Physica B Condensed Matter, February 2021, Elsevier

    Mahesh Kumar

  101. Studies on the third-order nonlinear behaviour of Itaconic acid single crystal using femto-second laser

    Article • Journal of Materials Science Materials in Electronics, January 2021, Springer Science + Business Media

    Mahesh Kumar

  102. Nanoencapsulated phase change materials for solar thermal energy storage

    Article • January 2021, Elsevier

    Mahesh Kumar

  103. Structural Correlation of Phonon Dynamics in Bismuth and Tellurium for the Formation of Bismuth Telluride, Using Ultrafast Transient Absorption Spectroscopy

    Article • SSRN Electronic Journal, January 2021, Elsevier

    Mahesh Kumar

  104. Metal doping in topological insulators- a key for tunable generation of terahertz

    Article • Solid State Communications, October 2020, Elsevier

    Mahesh Kumar

  105. Förster resonance energy transfer in organic photovoltaics devices fabricated by electric field assisted spray technique

    Article • Solar Energy, October 2020, Elsevier

    Mahesh Kumar

  106. Excited-state dynamics of structurally characterized crystal of SnxSb1-x

    Article • Journal of Materials Science, September 2020, Springer Science + Business Media

    Mahesh Kumar

  107. Flexible perylenediimide/GaN organic–inorganic hybrid system with exciting optical and interfacial properties

    Article • Scientific Reports, June 2020, Springer Science + Business Media

    Mahesh Kumar

  108. Comparative Charge Transfer Studies of Porphyrin-Fullerene Dyads: Substituents Effect

    Article • Journal of Nanoscience and Nanotechnology, June 2020, American Scientific Publishers

    Mahesh Kumar

  109. Structural Modelling of Hybrid ZnO–CdSe Nano-Compounds Using X-ray Photoelectron Spectroscopy Depth-Profiling Technique

    Article • Journal of Nanoscience and Nanotechnology, June 2020, American Scientific Publishers

    Mahesh Kumar

  110. Exploration of terahertz from time-resolved ultrafast spectroscopy in single-crystal Bi2Se3 topological insulator

    Article • Journal of Materials Science Materials in Electronics, April 2020, Springer Science + Business Media

    Mahesh Kumar

  111. Development of ZnO nanostructure film for pH sensing application

    Article • Applied Physics A, March 2020, Springer Science + Business Media

    Mahesh Kumar

  112. Assessment of optical, mechanical and nonlinear properties of potassium acid phthalate single crystal: a potential candidate for optoelectronic applications

    Article • Materials Research Express, January 2020, Institute of Physics Publishing

    Mahesh Kumar

  113. Influence of the rate of radiation energy on the charge-carrier kinetics application of all-inorganic CsPbBr3 perovskite nanocrystals

    Article • RSC Advances, January 2020, Royal Society of Chemistry

    Mahesh Kumar

  114. Materials Metrology and Nanomaterials

    Article • January 2020, Springer Science + Business Media

    Mahesh Kumar

  115. Synthesis of graphene oxide with a lower band gap and study of charge transfer interactions with perylenediimide

    Article • New Journal of Chemistry, January 2020, Royal Society of Chemistry

    Mahesh Kumar

  116. Ultrafast spectroscopy of Bi2Se3 topological insulator

    Article • January 2020, American Institute of Physics

    Mahesh Kumar

  117. Facile Synthesis and Evaluation of Electron Transport and Photophysical Properties of Photoluminescent PDI Derivatives

    Article • ACS Omega, November 2019, American Chemical Society (ACS)

    Mahesh Kumar

  118. Morphology induced plasmonic-excitonic interaction revealed by pump-probe spectroscopy

    Article • Optics & Laser Technology, November 2019, Elsevier

    Mahesh Kumar

  119. Studies of Ultrafast Transient Absorption Spectroscopy of Gold Nanorods in an Aqueous Solution

    Article • ACS Omega, July 2019, American Chemical Society (ACS)

    Mahesh Kumar

  120. Correction to “Ultrafast Excitonic Behavior in Two-Dimensional Metal–Semiconductor Heterostructure

    Article • ACS Photonics, July 2019, American Chemical Society (ACS)

    Mahesh Kumar

  121. Ultrafast Excitonic Behavior in Two-Dimensional Metal–Semiconductor Heterostructure

    Article • ACS Photonics, May 2019, American Chemical Society (ACS)

    Mahesh Kumar

  122. Probing ultrafast dynamics of photo-excited Bismuth nanostructure

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Mahesh Kumar

  123. Electron transport and ultrafast spectroscopic studies of new methanofullerenes bearing a heteroatom in the exohedral chain

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

    Mahesh Kumar

  124. Ultrafast charge carrier dynamics in CdSe/V2O5 core/shell quantum dots

    Article • Physical Chemistry Chemical Physics, January 2019, Royal Society of Chemistry

    Mahesh Kumar

  125. Understanding charge carrier dynamics in a P3HT:FLR blend

    Article • Physical Chemistry Chemical Physics, January 2019, Royal Society of Chemistry

    Mahesh Kumar

  126. Systematic study of precompound neutron emission in α -particle-induced reactions

    Article • November 2018, American Physical Society (APS)

    Mahesh Kumar

  127. Charge carrier dynamics in PffBT4T-2OD: PCBM organic solar cells

    Article • Organic Electronics, November 2018, Elsevier

    Mahesh Kumar

  128. Growth mechanism and optical properties of Ge nanocrystals embedded in a GeOx matrix

    Article • Applied Physics A, September 2018, Springer Science + Business Media

    Mahesh Kumar

  129. Enhanced luminescence efficiency of wet chemical route synthesized InP-based quantum dots by a novel method: Probing the humidity sensing properties

    Article • Journal of Luminescence, June 2018, Elsevier

    Mahesh Kumar

  130. Structural, optical and Carrier dynamics of self-assembled InGaN nanocolumns on Si(111)

    Article • Superlattices and Microstructures, May 2018, Elsevier

    Mahesh Kumar

  131. Ultrafast Carrier dynamics of InxGa1-xN nanostructures grown directly on Si(111)

    Article • Optical Materials, May 2018, Elsevier

    Mahesh Kumar

  132. Revealing charge carrier dynamics in squaraine:[6, 6]-phenyl-C 71-butyric acid methyl ester based organic solar cells

    Article • AIP Advances, April 2018, American Institute of Physics

    Mahesh Kumar

  133. Ultrasensitive and Selective Sensing of Selenium Using Nitrogen-Rich Ligand Interfaced Carbon Quantum Dots

    Article • ACS Applied Materials & Interfaces, April 2017, American Chemical Society (ACS)

    Mahesh Kumar

  134. Selective electrochemical sensing for arsenite using rGO/Fe3O4 nanocomposites

    Article • Journal of Hazardous Materials, January 2017, Elsevier

    Mahesh Kumar

  135. Plasmon induced ultrafast injection of hot electrons in Au nanoislands grown on a CdS film

    Article • Journal of Materials Chemistry C, January 2017, Royal Society of Chemistry

    Mahesh Kumar

  136. Synthesis and comparative charge transfer studies in porphyrin–fullerene dyads: mode of attachment effect

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

    Mahesh Kumar

  137. A study on the l-lysine-iodic acid: semi organic non linear optical single crystals for electro-optic applications

    Article • Journal of Materials Science Materials in Electronics, December 2016, Springer Science + Business Media

    Mahesh Kumar

  138. Luminescent cathode buffer layer for enhanced power conversion efficiency and stability of bulk-heterojunction solar cells

    Article • Organic Electronics, November 2016, Elsevier

    Mahesh Kumar

  139. Fullerene grafted graphene oxide with effective charge transfer interactions

    Article • Carbon, October 2016, Elsevier

    Mahesh Kumar

  140. Structural and ultrafast charge carrier dynamics of in-situ synthesized rGO/Fe3O4 nanocomposite

    Article • Materials Letters, October 2016, Elsevier

    Mahesh Kumar

  141. Charge carrier dynamics and surface plasmon interaction in gold nanorod-blended organic solar cell

    Article • Journal of Applied Physics, August 2016, American Institute of Physics

    Mahesh Kumar

  142. Luminescent GdVO4:Sm3+quantum dots enhance power conversion efficiency of bulk heterojunction polymer solar cells by Förster resonance energy transfer

    Article • Applied Physics Letters, July 2016, American Institute of Physics

    Mahesh Kumar

  143. Photo-physics of PTB7, PCBM and ICBA based ternary solar cells

    Article • Organic Electronics, July 2016, Elsevier

    Mahesh Kumar

  144. Morphological Studies on Ag Doped CdZnS Alloy Nanostructures

    Article • Materials Focus, April 2016, American Scientific Publishers

    Dr. SHIV P. PATEL, Mahesh Kumar

  145. Formation of low-dimensional GaN on trenched Si(5 5 12), probed by STM and XPS

    Article • Materials Research Express, March 2016, Institute of Physics Publishing

    Mahesh Kumar

  146. Optimization of energy and fluence of N2+ ions in the conversion of Al2O3 surface into AlN at room temperature

    Article • Applied Surface Science, January 2016, Elsevier

    Mahesh Kumar

  147. Polymer-Polymer Förster Resonance Energy Transfer Significantly Boosts the Power Conversion Efficiency of Bulk-Heterojunction Solar Cells

    Article • Advanced Materials, June 2015, Wiley

    Mahesh Kumar

  148. Structural and nanomechanical properties of nanocrystalline carbon thin films for photodetection

    Article • Journal of Vacuum Science & Technology A Vacuum Surfaces and Films, May 2015, American Vacuum Society

    Mahesh Kumar

  149. Structural, nanomechanical and variable range hopping conduction behavior of nanocrystalline carbon thin films deposited by the ambient environment assisted filtered cathodic jet carbon arc technique

    Article • Journal of Alloys and Compounds, April 2015, Elsevier

    Mahesh Kumar

  150. Probing the correlation between structure, carrier dynamics and defect states of epitaxial GaN film on (112̄0) sapphire grown by rf-molecular beam epitaxy

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

    Mahesh Kumar

  151. Carrier relaxation dynamics in defect states of epitaxial GaN/AlN/Si using ultrafast transient absorption spectroscopy

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

    Mahesh Kumar

  152. Temperature Dependent Size Tunability of Gallium Nanoclusters on Si(111) 7 × 7 Surface

    Article • Advanced Science Engineering and Medicine, September 2014, American Scientific Publishers

    Mahesh Kumar

  153. Nitrogen ion induced nitridation of Si(111) surface: Energy and fluence dependence

    Article • Materials Chemistry and Physics, June 2014, Elsevier

    Mahesh Kumar

  154. Effect of growth temperature on defects in epitaxial GaN film grown by plasma assisted molecular beam epitaxy

    Article • AIP Advances, February 2014, American Institute of Physics

    Mahesh Kumar

  155. Growth Mechanism and Surface Structure of Ge Nanocrystals Prepared by Thermal Annealing of Cosputtered GeSiO Ternary Precursor

    Article • Journal of Nanomaterials, January 2014, Hindawi Publishing Corporation

    Mahesh Kumar

  156. Role of nanocrystalline ZnO coating on the stability of porous silicon formed on textured (100) Si

    Article • Applied Surface Science, November 2013, Elsevier

    Mahesh Kumar

  157. Residual thermal desorption studies of Ga adatoms on trenched Si(5512) surface

    Article • Applied Surface Science, October 2013, Elsevier

    Mahesh Kumar

  158. Structural, Nanomechanical, and Field Emission Properties of Amorphous Carbon Films Having Embedded Nanocrystallites Deposited by Filtered Anodic Jet Carbon Arc Technique

    Article • Journal of Nanoscience, September 2013, Hindawi Publishing Corporation

    Mahesh Kumar

  159. Dielectric properties of Fe-doped TiO2nanoparticles synthesised by sol–gel route

    Article • Journal of Experimental Nanoscience, February 2013, Taylor & Francis

    Mahesh Kumar

  160. Megasonic Cleaning to Remove Nano-Dimensional Contaminants from Wafer Surfaces: An Analytical Study

    Article • Solid State Phenomena, December 2012, Trans Tech Publications

    Mahesh Kumar

  161. Ga induced 2D superstructural phase diagram on trenched Si(5 5 12) surface

    Article • Surface Science, July 2012, Elsevier

    Mahesh Kumar

  162. Effect of substrate bias in hydrogenated amorphous carbon films having embedded nanocrystallites deposited by cathodic jet carbon arc technique

    Article • Diamond and Related Materials, May 2012, Elsevier

    Mahesh Kumar

  163. The study of Si(5 5 12) cleaning in the ultra-high vacuum conditions

    Article • Physics Procedia, January 2012, Elsevier

    Professor Nikolay G Galkin, Mahesh Kumar

  164. An influence of Mg adsorption on the Si(5 5 12) substrate conductivity and surface morphology

    Article • Physics Procedia, January 2012, Elsevier

    Professor Nikolay G Galkin, Mahesh Kumar

  165. Synthesis and properties of CdSe Quantum Dot sensitized ZnO nanocomposites

    Article • Physica E Low-dimensional Systems and Nanostructures, December 2011, Elsevier

    Mahesh Kumar

  166. A superstructural 2D-phase diagram for Ga on the Si(111)- 7x7 system

    Article • Solid State Communications, December 2011, Elsevier

    Mahesh Kumar

  167. DC electrical conduction and morphological behavior of counter anion-governed genesis of electrochemically synthesized polypyrrole films

    Article • Journal of Polymer Science Part B Polymer Physics, November 2011, Wiley

    Mahesh Kumar

  168. Effect of substrate bias in amorphous carbon films having embedded nanocrystallites

    Article • Surface and Coatings Technology, October 2011, Elsevier

    Mahesh Kumar

  169. Probing the compositional, structural and morphological aspects of CdSe–TiO2 nanocomposites by surface-sensitive techniques

    Article • Materials Science and Engineering B, October 2011, Elsevier

    Mahesh Kumar

  170. Study of intermediate states in shape transition of ZnO nanostructures from nanoparticles to nanorods

    Article • Chemical Physics Letters, October 2011, Elsevier

    Mahesh Kumar

  171. Ga-induced restructuring of Si(5 5 12) − 2 × 1 reconstructed surface at room temperature

    Article • Surface Science, August 2011, Elsevier

    Mahesh Kumar

  172. Room temperature long range ferromagnetic ordering in (BiFeO3)1−x (PbTiO3)x nanocrystallites

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

    Mahesh Kumar

  173. Phase evolution studies of sol–gel derived lead zirconate titanate (PZT) nanopowder using X-ray diffraction and X-ray photoelectron spectroscopy

    Article • Applied Physics A, February 2011, Springer Science + Business Media

    Mahesh Kumar

  174. FORMATION OF ONE-DIMENSIONAL Ga STRUCTURES ON Si(5 5 12)-2 × 1 TRENCHED TEMPLATES

    Article • International Journal of Nanoscience, February 2011, World Scientific Pub Co Pte Lt

    Mahesh Kumar

  175. Effect of ambient gaseous environment on the properties of amorphous carbon thin films

    Article • Materials Chemistry and Physics, February 2011, Elsevier

    Mahesh Kumar

  176. Study of post annealing influence on structural, chemical and electrical properties of ZTO thin films

    Article • Journal of Alloys and Compounds, February 2011, Elsevier

    Mahesh Kumar

  177. The model of the magnesium silicide phase (2/3√3×2/3√3 )-R30°on Si(111)

    Article • Physics Procedia, January 2011, Elsevier

    Professor Nikolay G Galkin, Mahesh Kumar

  178. AES and EELS study of desorption of magnesium silicide films on Si(111)

    Article • Physics Procedia, January 2011, Elsevier

    Professor Nikolay G Galkin, Mahesh Kumar

  179. Stress Dependent Band Gap Shift and Valence Band Studies in ZnO Nanorods

    Article • Journal of Nanoscience and Nanotechnology, December 2010, American Scientific Publishers

    Mahesh Kumar

  180. Long term hydrophilic coating on poly(dimethylsiloxane) substrates for microfluidic applications

    Article • Applied Surface Science, November 2010, Elsevier

    Professor Soumyo Mukherji, Mahesh Kumar

  181. Comparison of photostability, optical and structural properties of TiO2/conjugated polymer hybrid composites prepared via different methods

    Article • Thin Solid Films, November 2010, Elsevier

    Mahesh Kumar

  182. Clustering and layering of In adatoms on low and high index silicon surfaces: A comparative study

    Article • Surface Science, October 2010, Elsevier

    Mahesh Kumar

  183. X-ray photoelectron spectroscopic study of nitrogen incorporated amorphous carbon films embedded with nanoparticles

    Article • Applied Surface Science, October 2010, Elsevier

    Mahesh Kumar

  184. (7×7) reconstruction as barrier for Schottky-barrier formation at the Ga/Si(111) interface

    Article • Applied Physics Letters, September 2010, American Institute of Physics

    Mahesh Kumar

  185. Wettability and surface chemistry of crystalline and amorphous forms of a poorly water soluble drug

    Article • European Journal of Pharmaceutical Sciences, May 2010, Elsevier

    Mahesh Kumar

  186. Role of surface modification of colloidal CdSe quantum dots on the properties of hybrid organic–inorganic nanocomposites

    Article • Colloid & Polymer Science, March 2010, Springer Science + Business Media

    Mahesh Kumar

  187. Luminescence properties of the solvothermally synthesized blue light emitting Mn doped Cu2O nanoparticles

    Article • Journal of Applied Physics, January 2010, American Institute of Physics

    Mahesh Kumar

  188. Effect of Pb adatom flux rate on adlayer coverage for Stranski–Krastanov growth mode on Si(111)7×7 surface

    Article • Applied Surface Science, October 2009, Elsevier

    Mahesh Kumar

  189. Ga-induced superstructures on the Si(111) 7×7 surface

    Article • Applied Surface Science, October 2009, Elsevier

    Mahesh Kumar

  190. XPS investigation of ion beam induced conversion of GaAs(001) surface into GaN overlayer

    Article • Applied Surface Science, October 2009, Elsevier

    Mahesh Kumar

  191. Formation of In-Induced Superstructural Phases on Si(111)7 × 7 Reconstructed Surface

    Article • Journal of Nanoscience and Nanotechnology, September 2009, American Scientific Publishers

    Mahesh Kumar

  192. Magnesium Induced Superstructural Changes in High Index Si (5 5 12) Surface: Formation of Quasi One Dimensional Structures

    Article • Journal of Nanoscience and Nanotechnology, September 2009, American Scientific Publishers

    Mahesh Kumar

  193. Morphology Dependent Luminescence Properties of Co Doped TiO2Nanostructures

    Article • The Journal of Physical Chemistry C, August 2009, American Chemical Society (ACS)

    Mahesh Kumar

  194. Characterization of Boron- and Phosphorous-Incorporated Tetrahedral Amorphous Carbon Films Deposited by the Filtered Cathodic Vacuum Arc Process

    Article • Japanese Journal of Applied Physics, June 2009, Institute of Physics Publishing

    Mahesh Kumar

  195. Electrical modelling approach for discharge analysis of a coaxial DBD tube filled with argon

    Article • Journal of Physics D Applied Physics, January 2009, Institute of Physics Publishing

    Mahesh Kumar

  196. Ion induced formation of Silicon nitride substrate and GaN overlayer growth at room temperature on Si (111) surface

    Article • MRS Proceedings, January 2009, Springer Science + Business Media

    Mahesh Kumar

  197. High temperature superstructural phases of the Sb/Si (5 5 12) interface

    Article • Vacuum, August 2008, Elsevier

    Mahesh Kumar

  198. Optical and electron spectroscopy study of initial stages of room-temperature Mg film growth on Si (111)

    Article • Semiconductors, April 2008, Pleiades Publishing Ltd

    Mahesh Kumar

  199. Effect of high substrate bias and hydrogen and nitrogen incorporation on filtered cathodic vacuum arc deposited tetrahedral amorphous carbon films

    Article • Thin Solid Films, February 2008, Elsevier

    Mahesh Kumar

  200. A study of the temperature dependence of adsorption and silicidation kinetics at the Mg/Si(111) interface

    Article • Thin Solid Films, August 2007, Elsevier

    Vladimir Korobtsov, Mahesh Kumar

  201. Formation of 1D-Nanowires and 2D Nanophases in Heteroepitaxy of Sbon High Index Si(5 5 12) Surface

    Article • Journal of Nanoscience and Nanotechnology, June 2007, American Scientific Publishers

    Mahesh Kumar

  202. Adsorption induced faceting and superstructural phase diagram of the Sb/Si(5512) interface

    Article • Surface Science, July 2006, Elsevier

    Mahesh Kumar

  203. Formation of Sb submonolayer phases on high index Si(5512) surface

    Article • Surface Science, December 2005, Elsevier

    Mahesh Kumar

  204. Sb adsorption and desorption pathways on (2×1) and c(4×4) reconstructed Si(001) surfaces

    Article • Surface Science, July 2005, Elsevier

    Mahesh Kumar

  205. Formation of antimony 1D-nanostructures on Si (5 5 12) surface

    Article • MRS Proceedings, January 2005, Springer Science + Business Media

    Mahesh Kumar

  206. Kinetically controlled superstructural phases at the Sb/Si (5 5 12) interface

    Article • MRS Proceedings, January 2005, Springer Science + Business Media

    Mahesh Kumar