Dr. Sangeetha D N

Dr. Sangeetha D N

Position: Assistant Professor

Educational Qualification: M.Sc, Ph.D

Google scholar link: https://scholar.google.com/citations?hl=en&user=lY81CmsAAAAJ

Linkedn ID: 96375997

ORCID ID: 0000-0002-4726-9598

Education Qualification: MSc, PhD

Total years of experience: 2

Subjects handled: Engineering Chemistry, Physical Chemistry, Biology for Engineers, Scientific Foundation for Health

Areas of interest: Material Chemistry: Carbon based composite materials (Activated Carbon, Carbon fiber, Graphene), Supercapacitors, Hydrogen Evolution

Professional Membership: ISTE

No. of Workshops/FDPs/SDPs attended: 8

Journal Publications

International:

  • Sangeetha, D. N.; Selvakumar, M.; Selvaraj, P.; Senthil Kumar, S. Designing NiCo2S4-Acetylene black engrained nitrogen-doped porous reduced graphene oxide nanocomposites conducting network: As positive/negative electrode combinations for high energy density of asymmetric supercapacitor and hydrogen evolution reaction. Materials Chemistry and Physics 2022, 292, 126812. https://doi.org/10.1016/j.matchemphys.2022.126812 (IF: 4.778)
  • Sangeetha, D. N.; Selvakumar, M.; Selvaraj, P.; Senthil Kumar, S. Porous Reduced Graphene Oxide/NiCo2S4 composite for Supercapacitor and Hydrogen Evolution Reaction. Materials Letters 2022, 313, 131765. https://doi.org/10.1016/j.matlet.2022.131765. (IF: 3.574)
  • Maithili, K. R; Sangeetha, D. N.; Selvakumar, M.; Sudhakar, Y. N.; Mahesha, M. G. Review on Persistent Challenges of Perovskite Solar Cells’ Stability. Solar Energy 2021, 218, 469. https://doi.org/10.1016/j.solener.2021.03.005. (IF: 7.188)
  • Sangeetha, D. N.; Santosh, M. S.; Selvakumar, M. Flower-like Carbon Doped MoS2/Activated Carbon Composite Electrode for Superior Performance of Supercapacitors and Hydrogen Evolution Reactions. J. Alloys Compd. 2020, 831, 154745. https://doi.org/10.1016/j.jallcom.2020.154745. (IF: 6.371)
  • Poojari, V.; Devadiga, D.; Hegde, N.; Sangeetha, D. N.; Santosh, M. S.; Selvakumar, M. Conductivity and Electrochemical Behavior of Plasticized Polymer Electrolyte for Dye-Sensitized Solar Cell Integrated Supercapacitor. J. Electrochem. Energy Convers. Storage 2020, 17 (August), 1–19. https://doi.org/10.1115/1.4046107. (IF: 2.012)
  • Sangeetha, D. N.; Hegde, N.; Poojari, V.; Devadiga, D.; Sudhakar, Y. N.; Santosh, M. S.; Selvakumar, M. Conductivity/Electrochemical Study of Polyvinyl Pyrrolidone-Poly(Vinyl Alcohol)/I3− Thin Film Electrolyte for Integrated Dye-Sensitized Solar Cells and Supercapacitors. J. Electron. Mater. 2020. https://doi.org/ 10.1007/s11664-020-08432-z. (IF: 1.938)
  • Sangeetha, D. N.; Krishna Bhat, D.; Senthil Kumar, S.; Selvakumar, M. Improving Hydrogen Evolution Reaction, and Capacitive Properties on CoS/MoS2 Decorated Carbon Fibers. Int. J. Hydrogen Energy 2020, 45 (13), 7788–7800. https://doi.org/https://doi.org/10.1016/j.ijhydene.2019.10.033. (IF: 7.139)
  • Sangeetha, D. N.; Holla, R. S.; Ramachandra Bhat, B.; Selvakumar, M. High Power Density and Improved H2 Evolution Reaction on MoO3/Activated Carbon Composite. Int. J. Hydrogen Energy 2020, 45 (13), 7801–7812. https://doi.org/10.1016/ j.ijhydene.2019.10.029. (IF: 7.139)
  • Sangeetha, D. N.; Selvakumar, M. Active-Defective Activated Carbon/MoS2 composites for Supercapacitor and Hydrogen Evolution Reactions. Appl. Surf. Sci. 2018, 453, 132–140. https://doi.org/10.1016/j.apsusc.2018.05.033. (IF: 7.392)
  • Sangeetha, D. N.; Krishna Bhat, D.; Selvakumar, M. h-MoO3/Activated Carbon Nanocomposites for Electrochemical Applications. Ionics (Kiel). 2019, 1–24. https://doi.org/10.1007/s11581-018-2684-2. (IF: 2.817)
  • Shruthi; Vighnesha, K. M.; Sandhya; Sangeetha, D. N.; Selvakumar, M. Synthesis and Characterization of Reduced Graphene Oxide- Polyaniline Composite for Supercapacitor Applications. Surf. Eng. Appl. Electrochem. 2018, 54 (4), 359–366. https://doi.org/10.3103/S106837551804018X. (IF: 0.289)
  • Vighnesha, K. M.; Shruthi; Sandhya; Sangeetha, D. N.; Selvakumar, M. Synthesis and Characterization of Activated Carbon/Conducting Polymer Composite Electrode for Supercapacitor Applications. J. Mater. Sci. Mater. Electron. 2018, 29 (2), 914–921. https://doi.org/10.1007/s10854-017-7988-x. (IF: 2.478)
  • Lakshminarasimhan, N.; Sangeetha, D. N.; Nivetha, G. Metachromasy of Methylene Blue Due to Aggregation over Phosphate–Modified Polymeric Carbon Nitride. Chem. Phys. Lett. 2017, 675, 98–103. https://doi.org/10.1016/j.cplett.2017.03.013. (IF: 2.328)
  • Pakhira, B.; Ghosh, S.; Maity, S.; Sangeetha, D. N.; Laha, A.; Allam, A.; Sarkar, S. Extraction of Preformed Graphene Oxide from Coal: Its Clenched Fist Form Entrapping Large Molecules. RSC Adv. 2015, 5 (108), 89076–89082. https://doi.org/ 10.1039/c5ra15699h. (IF: 4.036)
  • Sangeetha, D. N.; Selvakumar, M.; Selvaraj, P.; Senthilkumar, S. Designing NiCo2S4-Acetylene Black Engrained Nitrogen-Doped Porous Reduced Graphene Oxide Nanocomposite Conducting Network: as Positive/Negative Electrode Combinations for High Energy Density of Asymmetric Supercapacitor and Hydrogen Evolution Reaction. Mater. Chem. Phys. 2022, 292, 126812. https://doi.org/10.1016/j.matchemphys.2022.126812. (IF: 4.778)

 

National:

  • Sangeetha D .; Pooja H.; Savisha Bhandary; Yashaswini Shetty; Raghu Subashchandrabose; Selvakumar M, Flexible modified plastic strips coated polyaniline/graphene composite for electrochemical biosensors. Indian Journal of Chemistry-Section A (IJCA) 2020, 59-A, 616-624. DOI:042/ijca.v59i5.24990

 

Conferences

International:

  • CoSx and NiSx nanostructures grown on human hair-derived porous carbon for supercapacitor and hydrogen evolution reactions, 2nd International Conference on nanoscience and Nanotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 29th Nov – 1st Dec 2019.
  • Engineering the pores of activated carbon towards high-performance supercapacitors and improved catalytic activity for hydrogen evolution reaction, 2nd International Conference on Recent trends in environmental and sustainable development, Vivekananda Global University-Vivekananda Institute of Technology, Jaipur, 17 – 19th Oct 2019.
  • Sustainable synthesis of active activated carbon/MoS2 nanocomposites for supercapacitor and hydrogen evolution reaction” Clean and Renewable Energy Technologies via Chemical Route. The International Institute for Complex Adaptive Matter School, Jawaharlal Nehru Centre for Advanced Scientific Research, 27th Nov – 2nd Dec 2017.
  • Synthesis and Characterization of MoS2/activated carbon for electrochemical application” International Conference on Emerging Trends in Chemical Sciences, Manipal Institute of Technology, Manipal Academy of Higher Education, , 14 – 16th Sept 2017.
  • Metachromic effect of surface modified g-C3N4, IUMRS-ICYRAM-2016, IISc Bangalore, 11 – 15th Dec 2016.
  • Photocatalytic Activity of g-C3N4/TiO2 Nanocomposites, FUNMAT-2016, CSIR-CECRI Karaikudi, 5 – 7th May 2016.

 

National:

  • High-power density and improved hydrogen evolution reaction on h-MoO3/activated composites, National Conference on Advances in Chemical Sciences, Manipal Institute of Technology, MAHE, Manipal, 2nd – 3rd May 2018.
  • Carbon-doped MoS2 decorated on activated carbon for enhanced supercapacitor and hydrogen evolution reaction, 20th National Convention of Electrochemists, Vellore Institute of Technology, Vellore, 7 – 8th June 2018
  • Waste plastic bottle derived-activated carbon and 2-D MoS2 nanocomposites for supercapacitor and hydrogen evolution reactions, Manipal Research Colloquium, Manipal Academy of Higher Education, 3rd – 5th April 2018.
  • Electrochemical performances of nano MoO3/activated carbon supercapacitors and hydrogen evolution reaction using protonated acids, 5th National Conference on Condensed Matter Physics and Applications, Manipal Institute of Technology, Manipal Academy of Higher Education, 22nd – 23rd Sept 2017.