Debajyoti Mahanta

Associate Professor

MSc (Gauhati) PhD (IISc)

Physical Chemistry

Department of Chemistry
Gauhati University, Guwahati, 781014
Phone: 9864579037
Email: debam[at]gauhati[dot]ac[dot]in

PhD Students:

  • Bhanita Goswami
  • Gayatri Konwar
  • Sabina Yeasmin
  • Arishma Buragohain

Research Interest:

  • Conducting Polymer Nano-composites
  • Environmental Chemistry
  • Electrochemistry
  • Energy Storage materials

Collaboration:

  • IISc Bangalore
  • JNCASR Bangalore
  • IIT Gauhati
  • Tezpur University
  • NIT Maghalaya

 

  • Statistical Thermodynamics
  • Polymer Chemistry
  • Electrochemistry
  • Materials Chemistry
  • Solid State Chemistry
  1. G. Konwar, S. C. Sarma, D. Mahanta, S. C. Peter, “Polyaniline Hybrid Nanofibers via Green Interfacial Polymerization for All-Solid-State Symmetric Supercapacitors”, ACS Omega, 2020, 5, 14494-14501.
  2. S. Majumdar, K. Sarmah, D. Mahanta, “A Simple Route to Prepare Polypyrrole-Coated Filter Papers via Vapor Phase Polymerization and Their Gas Sensing Application” ACS Applied Polymer Materials, 2020, 2, 1933-1942. 
  3. B. Goswami, D. Mahanta, “Polyaniline-Fe3O4 and polypyrrole-Fe3O4 magnetic nanocomposites for removal of 2, 4-dichlorophenoxyacetic acid from aqueous medium” Journal of Environmental Chemical Engineering, 2020, 103919. 
  4. S. Majumdar, R. Moral, D. Mahanta, “Rapid mixing polymerization: A simple method for preparation of free standing polypyrrole film and powder for the removal of anionic pollutants” Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2020, 124643. 
  5. S. Majumdar, D. Mahanta, “Deposition of an ultra-thin polyaniline coating on a TiO2 surface by vapor phase polymerization for electrochemical glucose sensing and photocatalytic degradation” RSC Advances, 2020, 10, 17387-1739. 
  6. R. Bortamuly, G. Konwar, P. K. Boruah, M. R Das, D Mahanta, P Saikia, " CeO2-PANI-HCl and CeO2-PANI-PTSA composites: synthesis, characterization, and utilization as supercapacitor electrode materials" Ionics, 2020. 26,  5747-5756. 
  7. B. Goswami, D. Mahanta, “Polyaniline coated nickel oxide nanoparticles for the removal of phenolic compounds: Equilibrium, kinetics and thermodynamic studies” Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2019, 582, 123843. 
  8. S. Majumdar, A. Baishya, D. Mahanta, “Kinetic and equilibrium modeling of anionic dye adsorption on polyaniline emeraldine salt: batch and fixed bed column studies” Fibers and Polymers, 2019, 20, 1226-1235.
  9. S. Majumdar, J. Nath, D. Mahanta, “Surface modified polypyrrole for the efficient removal of phenolic compounds from aqueous medium” Journal of Environmental Chemical Engineering, 2018, 6, 2588- 2596.
  10. S. Majumder, D. Mahanta, “One-step Preparation of Free-standing Polypyrrole Films at Air-water Interface” Chemistry Select, 2017, 2, 9930-9933.
  11. P. Baruah, D. Mahanta, “Adsorption and Reduction: Combined Effect of Polyaniline Emeraldine salt for removal of Cr (VI) from Aqueous Medium” Bulletin of Material Science, 2016, 39, 875-882.
  12. S. Majumder, U. Saikia, Debajyoti Mahanta, “ Polyaniline- Coated Filter Papers: Cost Effective Hybrid Materials for Adsorption of dyes” Journal of chemical engineering Data, 2015, 60, 3382-3391.
  13. M. Goswami, L. Borah, D. Mahanta, P. Phukan, “ Equilibrium modeling, kinetic and thermodynamic studies on the adsorption of Cr(VI) using activated carbon derived from matured tea leaves” Journal of Porous Materials, 2014, 21, 1025-1034.
  14. D. Mahanta, U. Manna, G. Madras, S. Patil, “Multilayer self-Assembly of TiO2 Nanoparticles and Polyaniline-Grafted-Chitosan Copolymer (CPANI) for Photocatalysis” ACS Appl. Mater Interfaces, 2011, 3, 84.
  15. D. Mahanta, N. Munichandraiah, S. Radhakrishnan, G. Madras, S. Patil, “Polyaniline Modified Electrodes for Detection of Dyes” Synth. Met. 2011, 161, 659.
  16. D. Mahanta, G. Madras, S. Radhakrishnan, S. Patil, “Adsorption and Desorption Kinetics of Anionic Dyes on Doped Polyaniline” J. Phys. Chem B, 2009, 113, 2293.
  17. S. Radhakrishnan, C. R. Siju, D. Mahanta, S. Patil, G. Madras,“Conducting Polyaniline-nano TiO2 Composites for Smart Corrosion Resistant Coatings”Electrochemica Acta, 2009, 54, 1249.
  18. D. Mahanta, G. Madras, S. Radhakrishnan, S. Patil, “Adsorption of Sulfonated dyes by Polyaniline Emeraldine Salt and Its Kinetics” J. Phys. Chem B, 2008, 112, 10153.
  19. B. Muktha, D. Mahanta, S. Patil, Giridhar Madras, “Synthesis and Photocatalytic Activity of Poly(3- hexylthiophene)/ TiO2 Composites” J. Solid State Chem. 2007, 180, 2986.
  1. INSA Visiting Scientist Fellowship 2020-21.
  2. Visiting Fellowship (JNCASR) 2017-18

 Dr. Debajyoti Mahanta

Assistant Professor

Department of Chemistry

Gauhati University

Jalukbari, Guwahati-14

Email: debam@gauhati.ac.in

debam2@gmail.com

Ph No. 91-6000682511

 Completed Projects:

  • Synthesis and Application of conducting polymer nanocomposites. (UGC Start Up Grant)
  • Adsorption studies on Low cost Biomaterials and Chemical Modifications of Bio-adsorbents Available in North-East India. [Sponsored by Assam Science Technology & Environment Council (ASTEC)]

Ongoing Projects:

  • Design and Synthesis of Hierarchically Porous Materials-Conducting Polymer Composites for Electrochemical Supercapacitors [DST-SERB sponsored Project under EMR Scheme] 2018-2021

Facilities & Resources

Facilities
Resources
Some Important Links (Outside GU)