Dr. Rajesh Kumar

@tut.ac.jp

JSPS Invitational Fellow (Long-term)
Toyohashi University of Technology (TUT), Japan

Dr. Rajesh Kumar


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https://researchid.co/rajeshbhu1
Dr. Rajesh Kumar has been awarded prestigious international awards/ fellowships, as Friedrich Wilhelm Bessel Research Award-2024, GERMANY; JSPS Invitational Fellow (Long-term) (2025) JAPAN; JSPS postdoctoral Fellow (Standard) (2018), JAPAN; FAPESP (Sao Paulo Research Foundation) (2017), BRAZIL and Brain Korea-21 (BK-21+) (2014), SOUTH KOREA. He has worked in Toyohashi University of Technology (TUT), Toyohashi, JAPAN as JSPS Fellow (2018-2020). He has also worked in BRAZIL (University of Campinas (UNICAMP) (2015–2017; CNPq postdoctoral fellow/ visiting scientist), Campinas & State University of Sao Paulo (UNESP) (2018; FAPESP postdoctoral fellow), Presidente Prudente) and SOUTH KOREA (Korea Advanced Institute of Science and Technology (KAIST) (2012–2014; postdoctoral researcher), Daejeon &, Yonsei University (2014; Brain Korea: BK 21+ Research Professor), Seoul at different scientific positions.

EDUCATION

PhD in Physics

RESEARCH, TEACHING, or OTHER INTERESTS

Condensed Matter Physics, Energy, Materials Science, Fuel Technology
143

Scopus Publications

14436

Scholar Citations

72

Scholar h-index

120

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • Recent advances in graphene-semiconductor based composites for water splitting and environmental remediation
    L Duong, R Kumar, WK Tan, Z Lockman, A Matsuda, G Kawamura
    Coordination Chemistry Reviews 565, 218124 , 2026
    2026
  • Dual doped graphene-based electrode materials for energy devices
    R Kumar, S Sahoo, E Joanni, JM C. Filho, R Savu, WK Tan, G Kawamura, ...
    Carbon 256, 121669 , 2026
    2026
  • Recent advances in TiO2 nanotube arrays-based composite for photoelectrochemical water splitting and environmental remediation
    L Duong, R Kumar, WK Tan, A Matsuda, G Kawamura
    Journal of Photochemistry & Photobiology, C: Photochemistry Reviews 67, 100757 , 2026
    2026
  • BiVO4-graphene nanocomposites: Recent progress toward photocatalytic environmental remediation of pollutants
    J Rafi, R Kumar, WK Tan, A Matsuda, G Kawamura
    Journal of Environmental Chemical Engineering 14, 122107 , 2026
    2026
    Citations: 3
  • MXene Reinforced 3D Printed Biomatrices: Synthesis, Characterization and Intelligent Theragenerative Applications
    V Kumar, R Kumar, D Patel, SK Rawat, S Prashitha B, D Bhatnagar
    ACS Applied Materials & Interfaces 18, 22587−22620 , 2026
    2026
  • Recent advances in carbon-based materials for supercapacitors: synthesis, electrochemical properties, and impact of machine learning
    A Sahoo, S Sahoo, R Kumar
    Journal of Materials Chemistry A 14, 10569-10598 , 2026
    2026
  • Emerging trends in rare-earth doped luminescent nanophosphors: Synthesis, advances and applications
    H Thakur, NK Mishra, RK Singh, BP Singh, R Kumar, AK Gathania
    Materials Research Bulletin 197, 113997 , 2026
    2026
    Citations: 1
  • Recent advances in nanostructured carbon-based SERS: From zero- to two-dimensional materials for detection of toxic environmental pollutants and health concerns
    S Sharma, R Kumar, RM Yadav
    Carbon 248, 121156 , 2026
    2026
  • Recent advancements in rare-earth elements-based oxides, sulfides, selenides, tellurides, and related composites for supercapacitor applications
    S Sahoo, SK Tiwari, A Bhat, RN Bulakhe, R Kumar, SS Han
    Journal of Energy Storage 134, 118125 , 2025
    2025
    Citations: 11
  • Low-value biomass-derived carbon composites for electromagnetic wave absorption and shielding: A review
    S Sahoo, R Kumar, SS Han
    New Carbon Materials 40 (2), 293-316 , 2025
    2025
  • Advancements in fabrication, polymorph diversity, heterostructure excitation dynamics, and multifunctional applications of leading 2D TMDs
    A Dhingra, R Kumar, OP Thakur, R Pandey
    Journal of Industrial and Engineering Chemistry 146 , 2025
    2025
    Citations: 6
  • Recent development of MXenes and their composites in electrochemical energy storage: Current status, challenges and future prospects
    N Devi, R Kumar, RK Singh, SA Moshkalev
    Journal of Power Sources 636, 236538 , 2025
    2025
    Citations: 16
  • Advancements in hexaferrite composite materials for electromagnetic interference shielding solutions
    A Dhingra, R Kumar, OP Thakur, R Pandey
    Sustainable Materials and Technologies 43, e01333 , 2025
    2025
    Citations: 18
  • Exploring a solid polymorphism and phase transitions in 4-cyano-4'-pentylbiphenyl (5CB) and rGO-doped 5CB using temperature dependent Raman spectroscopy
    K Ummar, CB Patel, P Tripathi, R Kumar, S Mishra, RK Singh, K Vikram
    Journal of Molecular Liquids 423, 127006 , 2025
    2025
    Citations: 4
  • Rapid in-situ fabrication of MnSnO3 perovskite-based nanocomposites via microwave-assisted approach for supercapacitor devices
    S Sahoo, A Sood, R Kumar, A Milton, HM Kim, I Hussain, SS Han
    Journal of Energy Storage 110, 115368 , 2025
    2025
    Citations: 26
  • Microwave irradiation-induced palladium nanoparticle-mediated perforation and decoration of reduced graphene oxide nanosheets composite for electrode in supercapacitors
    R Kumar, S Sahoo, M Elfiky, R Pandey, RM Yadav, WK Tan, G Kawamura, ...
    Diamond & Related Materials 152, 111924 , 2025
    2025
    Citations: 9
  • Electromagnetic irradiation-assisted synthesis, exfoliation and modification of graphene-based materials for energy storage and sensing applications
    R Kumar, S Sahoo, R Pandey, E Joanni, RM Yadav
    Materials Science & Engineering R 161, 100860 , 2024
    2024
    Citations: 35
  • Heteroatom doping in 2D MXenes for energy storage and conversion applications
    S Sahoo, R Kumar, I Hussain, K Zhang
    Advanced Powder Materials 3 (6), 100246 , 2024
    2024
    Citations: 61
  • Laser-induced and catalyst-free formation of graphene materials for energy storage and sensing applications
    R Kumar, R Pandey, E Joanni, R Savu
    Chemical Engineering Journal 497, 154968 , 2024
    2024
    Citations: 51
  • Non-Ti MXene: An emerging class of 2D materials for non-Li batteries
    S Sahoo, R Kumar, I Hussain, T Kaewmaraya, T Hussian, SS Han
    Carbon 229, 119537 , 2024
    2024
    Citations: 25

MOST CITED SCHOLAR PUBLICATIONS

  • Graphene oxide: Strategies for synthesis, reduction and frontier applications
    RK Singh, R Kumar, DP Singh
    RSC Advances 6 (68), 64993–65011 , 2016
    2016
    Citations: 777
  • Heteroatom doped graphene engineering for energy storage and conversion
    R Kumar, S Sahoo, E Joanni, RK Singh, K Maegawa, WK Tan, ...
    Materials Today 39, 47-65 , 2020
    2020
    Citations: 671
  • Recent progress in the synthesis of graphene and derived materials for next generation electrodes of high performance lithium ion batteries
    R Kumar, S Sahoo, E J, RK Singh, WK Tan, A Matsuda
    Progress in Energy and Combustion Science 75, 100786 , 2019
    2019
    Citations: 583
  • Recent progress on carbon-based composite materials for microwave electromagnetic interference shielding
    R Kumar, S Sahoo, E Joanni, RK Singh, WK Tan, A Matsuda
    Carbon 177, 304-331 , 2021
    2021
    Citations: 456
  • A review on synthesis of graphene, h-BN and MoS2 for energy storage applications: Recent progress and perspectives
    R Kumar, S Sahoo, E Joanni, RK Singh, RM Yadav, RK Verma, DP Singh, ...
    Nano Research 12 (11), 2655–2694 , 2019
    2019
    Citations: 403
  • Recent advances in the synthesis and modification of carbon-based 2D materials for application in energy conversion and storage
    R Kumar, E Joanni, RK Singh, DP Singh, SA Moshkalev
    Progress in Energy and Combustion Science 67, 115-157 , 2018
    2018
    Citations: 397
  • Graphene oxide: An Efficient Material and Recent Approach for Biotechnological and Biomedical Applications
    DP Singh, CE Herrera, RK Singh, R Kumar
    Materials Science and Engineering: C 86, 173-197 , 2018
    2018
    Citations: 361
  • Self-Assembled and One-Step Synthesis of Interconnected 3D Network of Fe3O4/Reduced Graphene Oxide Nanosheets Hybrid for High Performance Supercapacitor Electrode
    R Kumar, RK Singh, AR Vaz, R Savu, SA Moshkalev
    ACS Applied Materials & Interfaces (Feature Article in Brazalian Materials … , 2017
    2017
    Citations: 335
  • Laser-assisted synthesis, reduction and micro-patterning of graphene: Recent progress and applications
    R Kumar, RK Singh, DP Singh, E Joanni, R Yadav, SA Moshkalev
    Coordination Chemistry Reviews 342, 34-79 , 2017
    2017
    Citations: 323
  • Advances in pseudocapacitive and battery-like electrode materials for high performance supercapacitors
    S Sahoo, R Kumar, E Joanni, RK Singh, JJ Shim
    Journal of Materials Chemistry A 10 (25), 13190-13240 , 2022
    2022
    Citations: 312
  • An overview of recent progress in nanostructured carbon-based supercapacitor electrodes: From zero to bi-dimensional materials
    R Kumar, E Joanni, S Sahoo, JJ Shim, TW Kian, A Matsuda, RK Singh
    Carbon 193, 298-338 , 2022
    2022
    Citations: 307
  • Progress in microwave-assisted synthesis of quantum dots (graphene/carbon/semiconducting) for bioapplications: A review
    RK Singh, R Kumar, DP Singh, R Savu, SA Moshlalev
    Materials Today Chemistry 12, 282-314 , 2019
    2019
    Citations: 302
  • Natural and waste hydrocarbon precursors for the synthesis of carbon based nanomaterials: Graphene and CNTs
    R Kumar, RK Singh, DP Singh
    Renewable and Sustainable Energy Reviews 58, 976-1006 , 2016
    2016
    Citations: 270
  • Laser processing of graphene and related materials for energy storage: State of the art and future prospects
    R Kumar, AP del Pino, S Sahoo, RK Singh, WK Tan, A Matsuda, E Joanni
    Progress in Energy and Combustion Science 91, 100981 , 2022
    2022
    Citations: 265
  • A review on the current research on microwave processing techniques applied to graphene-based supercapacitor electrodes: An emerging approach beyond conventional heating
    R Kumar, S Sahoo, E Joanni, RK Singh
    Journal of Energy Chemistry 74, 252-282 , 2022
    2022
    Citations: 243
  • Microwave-assisted thin reduced graphene oxide-cobalt oxide nanoparticles as hybrids for electrode materials in supercapacitor
    R Kumar, S Sahoo, WK Tan, G Kawamura, A Matsuda
    Journal of Energy Storage 40, 102724 , 2021
    2021
    Citations: 229
  • Graphene-wrapped and cobalt oxide-intercalated hybrid for extremely durable super-capacitor with ultrahigh energy and power densities
    R Kumar, HJ Kim, IK Oh
    Carbon 79, 192-202 , 2014
    2014
    Citations: 214
  • Review of microwave-assisted synthesis of carbon nanomaterials, metal oxide/hydroxide and its composites for energy storage applications
    N Devi, S Sahoo, R Kumar, RK Singh
    Nanoscale 13, 11679-11711 , 2021
    2021
    Citations: 202
  • Cutting edge development on graphene derivatives modified by liquid crystal and CdS/TiO2 hybrid matrix: optoelectronics and biotechnological aspects
    A SI, K Pal, G Sayyad, M Elkodous, R Kumar, A Batal, S Kralj, S Thomas
    Critical Reviews in Solid State and Materials Sciences 46 (5), 385-449 , 2021
    2021
    Citations: 202
  • Microwave as a Tool for Synthesis of Carbon-Based Electrodes for Energy Storage
    R Kumar, S Sahoo, E Joanni, RK Singh
    ACS Applied Materials & Interfaces 14 (18), 20306-20325 , 2022
    2022
    Citations: 198