Tapas Das

Dynamic Assistant Professor with extensive expertise in advanced instrumental techniques, including X-ray diffraction and electrochemical analysis, honed at the National Institute of Technology. Proven ability to leverage software skills for impactful research outcomes, fostering collaboration and innovation in academic settings. Committed to driving excellence in scientific inquiry and education.

Hindi, English, Oriya, Bengali, Spanish

• Bhawna, Verma, Associate Professor, Ph.D. Supervisor, bverma.che@iitbhu.ac.in, +91 7887095555, Department of Chemical Engineering & Technology, IIT (BHU), Varanasi, U.P., India, 221005
• Hiralal, Pramanik, Professor, hpramanik.che@iitbhu.ac.in, +91 7309323425, Department of Chemical Engineering & Technology, IIT (BHU), Varanasi, U.P., India, 221005
• Vijay Laxmi, Yadav, Professor & Head, vlyadav.che@iitbhu.ac.in, +91 9935048388, Department of Chemical Engineering & Technology, IIT (BHU), Varanasi, U.P., India, 221005
• Kamdeo, Mandal, Professor, kdmandal.apc@iitbhu.ac.in, +91 9236660273, Department of Chemistry, IIT (BHU), Varanasi, U.P., India, 221005

• Ph.D. Fellowship - MHRD (Govt. of India), Duration: January, 2017-December, 2021
• GATE Fellowship - MHRD (Govt. of India), Duration: July, 2014-June, 2016
• Qualified AIEEE and studied B. Tech at NIT Rourkela, India.

• 1. Verma MK, Kumar V, Patel U, Rai VS, Kumar A, De AK, Prajapati AK, Prajapati D, Sahoo K, Das T, Singh NB. Highly Efficient Photocatalytic Studies on Bi36Fe2O57 Ceramic Synthesized by Chemical Route. Transactions on Electrical and Electronic Materials. The Korean Institute of Electrical and Electronic Material Engineers. 2023, 1-9.
• 2. Verma S, Verma S, Das T, Verma B. Graphene-based nanocomposites: An efficient detoxification agent for heavy metal removal from wastewater. Indian Journal of Chemical Technology (IJCT). 30, 4, 2023, 411-22.
• 3. Rai VS, Prajapati D, Verma MK, Kumar V, Kumar A, Das T, Sahoo K, Singh NB, Mandal K. Emergence of Dielectric Properties by Doping of Semi-Transition Metal in Semiconductor Complex Perovskite Oxide. Crystal Research and Technology. 58, 4, 2023, 2200236.
• 4. Sahoo K, Varshney N, Das T, Mahto SK, Kumar M. Copper oxide nanoparticle: multiple functionalities in photothermal therapy and electrochemical energy storage. Applied Nanoscience. Springer International Publishing. 13, 2023, 5537-5558.
• 5. Pandey VK, Verma S, Das T, Verma B. Supercapacitive behavior of polyaniline-waste derived carbon-copper cobaltite based ternary composite. Bioresource Technology Reports. Elsevier. 20, 2022, 101255.
• 6. Das T, Verma B. Facile synthesis of bimetallic CuFe2O4 based ternary hybrid composites for supercapacitor electrodes and optimization of weight ratio of the individuals on the basis of their electrochemical performances. Materials Technology. Taylor & Francis. 37, 13, 2022, 2552-2566.
• 7. Verma S, Das T, Verma S, Pandey SK, Verma B. Facile and scalable synthesis of reduced-graphene oxide using different green reducing agents and its characterizations. Diamond and Related Materials. Elsevier. 129, 2022, 109361.
• 8. Das T, Pandey VK, Verma S, Pandey SK, Verma B. Optimization of the ratio of aniline, ammonium persulfate, para-toluenesulfonic acid for the synthesis of conducting polyaniline and its use in energy storage devices. International Journal of Energy Research. John Wiley & Sons, Inc. 46, 14, 2022, 19914-19928.
• 9. Verma S, Das T, Pandey VK, Verma B. Nanoarchitectonics of GO/PANI/CoFe2O4 (Graphene Oxide/polyaniline/Cobalt Ferrite) based hybrid composite and its use in fabricating symmetric supercapacitor devices. Journal of Molecular Structure. Elsevier. 1266, 2022, 133515.
• 10. Rai VS, Prajapati D, Verma MK, Kumar V, Pandey S, Das T, Singh NB, Mandal KD. Influence of Zn doping on microstructure, dielectric, and electric properties in Bi2/3Cu3Ti4O12 ceramic synthesized by the semi-wet method. Journal of Materials Science: Materials in Electronics. Springer US. 33, 18, 2022, 14868-14881.
• 11. Das T, Verma B. Facile synthesis of paratoluene sulfonic acid assisted S-doped polyaniline hybrid composite for energy storage devices. Journal of Materials Science: Materials in Electronics. Springer US. 33, 16, 2022, 12734-12749.
• 12. Das T, Verma B. Novel S-doped polyaniline@ CuCo2O4–carbon composites and optimization of their weight ratios on the basis of their electrochemical activities. Polymer-Plastics Technology and Materials. Taylor & Francis. 61, 5, 2022, 516-531.
• 13. Rai VS, Prajapati D, Kumar V, Verma MK, Pandey S, Das T, Singh NB, Mandal KD. Low temperature synthesis, dielectric and electrical characteristics of Bi2/3Cu3– x Ni x Ti4O12 (where x= 0.05, 0.1, and 0.2) ceramics for the dielectric and electrical properties. Journal of Materials Science: Materials in Electronics. Springer US. 33, 8, 2022, 5273-5282.
• 14. Das T, Verma B. Optimization of weight ratios of the components in polyaniline based composites on the basis of their electrochemical performances. International Journal of Polymer Analysis and Characterization. Taylor & Francis. 27, 1, 2022, 1-15.
• 15. Gangwar A, Das T, Shaw SK, Prasad NK. Nanocomposite of (α-Mn3O4/MnO)@ rGO as a high performance electrode material for supercapacitors. Electrochimica Acta. Elsevier. 390, 2021, 138823.
• 16. Verma MK, Kumar V, Das T, Sonwani RK, Rai VS, Prajapati D, Sahoo K, Kushwaha VK, Gupta A, Mandal K. Synthesis of Bi2Fe4O9 Crystalline Ceramic as Extremely Capable Photocatalyst via Proficient Chemical Route. Journal of Minerals and Materials Characterization and Engineering. Scientific Research Publishing. 9, 5, 2021, 444-461.
• 17. Verma MK, Kumar A, Das T, Kumar V, Singh S, Rai VS, Prajapati D, Sonwani RK, Sahoo K, Mandal KD. BiFeO3 perovskite as an efficient photocatalyst synthesised by soft chemical route. Materials Technology. Taylor & Francis. 36, 10, 2021, 594-602.
• 18. Kumar V, Pandey S, Kumar A, Verma MK, Singh S, Rai VS, Prajapati D, Das T, Sharma A, Prajapat CL, Gangwar A. Investigation of dielectric, magnetic and impedance spectroscopic properties of CaCu3-XMnXTi4-XMnXO12 (X= 0.10) nano-ceramic synthesized through semi-wet route. Journal of Materials Research and Technology. Elsevier. 9, 6, 2020, 12936-12945.
• 19. Kumar A, Verma MK, Singh S, Das T, Singh L, Mandal KD. Electrical, magnetic and dielectric properties of cobalt-doped barium hexaferrite BaFe 12– x Co x O 19 (x= 0.0, 0.05, 0.1 and 0.2) ceramic prepared via a chemical route. Journal of Electronic Materials. Springer US. 49, 2020, 6436-6447.
• 20. Verma MK, Kumar A, Singh L, Sonwani RK, Das T, Singh S, Kumar V, Singh NB, Mandal K. Bi25feo40 polycrystalline ceramic as highly efficient photocatalyst synthesised via economical chemical route. Materials Technology. Taylor & Francis, 35, 8, 2020, 483-493.
• 21. Kumar V, Kumar A, Verma MK, Singh S, Pandey S, Rai VS, Prajapati D, Das T, Singh NB, Mandal KD. Investigation of dielectric and electrochemical behavior of CaCu3– xMnxTi4O12 (x= 0, 1) ceramic synthesized through semi-wet route. Materials Chemistry and Physics. Elsevier. 245, 2020, 122804.
• 22. Kumar D, Das T, Giri BS, Verma B. Preparation and characterization of novel hybrid bio-support material immobilized from Pseudomonas cepacia lipase and its application to enhance biodiesel production. Renewable Energy. Elsevier. 147, 2020, 11-24.
• 23. Das T, Verma B. Polyaniline-Acetylene black-Copper cobaltite based ternary hybrid material with enhanced electrochemical properties and its use in supercapacitor electrodes. International Journal of Energy Research. John Wiley & Sons, Inc. 44, 2, 2020, 934-949.
• 24. Kumar D, Das T, Giri BS, Verma B. Optimization of biodiesel synthesis from nonedible oil using immobilized bio-support catalysts in jacketed packed bed bioreactor by response surface methodology. Journal of Cleaner Production. Elsevier. 244, 2020, 118700.
• 25. Das T, Verma B. Effect of ruthenium based catalyst loading on the electrochemical properties of carbon xerogel. Chemical Physics Letters. Elsevier. 739, 2020, 136947.
• 26. Das T, Verma B. Polyaniline based ternary composite with enhanced electrochemical properties and its use as supercapacitor electrodes. Journal of Energy Storage. Elsevier. 26, 2019, 100975.
• 27. Kumar D, Das T, Giri BS, Rene ER, Verma B. Biodiesel production from hybrid non-edible oil using bio-support beads immobilized with lipase from Pseudomonas cepacia. Fuel. Elsevier. 255, 2019, 115801.
• 28. Das T, Verma B. High performance ternary polyaniline-acetylene black-cobalt ferrite hybrid system for supercapacitor electrodes. Synthetic Metals. Elsevier, 251, 2019, 65-74.
• 29. Das T, Verma B. Synthesis of polymer composite based on polyaniline-acetylene black-copper ferrite for supercapacitor electrodes. Polymer. Elsevier, 168, 2019, 61-69.
• 30. Sonwani RK, Giri BS, Das T, Singh RS, Rai BN. Biodegradation of fluorene by neoteric LDPE immobilized Pseudomonas pseudoalcaligenes NRSS3 in a packed bed bioreactor and analysis of external mass transfer correlation. Process Biochemistry. Elsevier, 77, 2019, 106-112.
• 31. Kumar D, Das T, Giri BS, Verma B. Characterization and compositional analysis of highly acidic karanja oil and its potential feedstock for enzymatic synthesis of biodiesel. New Journal of Chemistry. Royal Society of Chemistry. 42, 19, 2018, 15593-15602.
• 1. Tapas Das & Dr. Bhawna Verma. Synthesis of activated carbon from orange peel and its use in fabrication of supercapacitor electrodes for energy storage purpose. International conference on Advanced Materials for Better Tomorrow (AMBT 2021): Impacting Energy, Health, and Environment. IIT BHU, Varanasi, India (July 13 - 17 2021)
• 2. Tapas Das & Dr. Bhawna Verma. Synthesis of activated carbon from mango leaves and its use in fabrication of supercapacitor electrodes for energy storage purpose. International Conference on Advances in Sustainable Research for Energy and Environmental Management (ASREEM-2021). Department of Chemical Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, India (August 06 – 08, 2021)
• 3. Tapas Das & Dr. Bhawna Verma. Fabrication of ruthenium hydroxide based supercapacitor electrodes. 5th National Symposium on Shaping the Energy Future: Challenges and Opportunities (SEFCO) Theme: Zero-emission Energy Alternatives. CSIR - Indian Institute of Petroleum, Dehradun, Uttarakhand, India (August 27, 2021)
• 4. Tapas Das & Dr. Bhawna Verma. Synthesis of activated carbon from banana peel and its use in supercapacitors. International Conference on Energy and Advanced Materials (ICEAM)-2021. Jaypee Institute of Information Technology, Noida, India (October 21-23, 2021)
• 5. Tapas Das & Dr. Bhawna Verma. Polyaniline-manganese cobaltite based binary hybrid systems for energy storage applications. International Conference on Recent Trends in Energy Science and Engineering (ICRTSEE 2021). Rajiv Gandhi Institute of Petroleum Technology (RGIPT), Jais, Amethi, India (October 26-28, 2021)
• 6. Tapas Das & Dr. Bhawna Verma. Synthesis of S-doped polyaniline with nanospikes and its composite with nickel oxide for supercapacitor applications. 3rd International conference on sustainable environment energy and construction (ICSEEC-2021). Hindustan institute of technology & science, Chennai - 603 103, India (December 16-17, 2021)
• 7. Tapas Das & Dr. Bhawna Verma. Effect of Ruthenium based catalyst loading on the electrochemical properties of Carbon Xerogel. ICIAST-2021: International Conference on Innovation and Application in Science and Technology. Galgotias College of Engineering and Technology, Greater Noida, India. (December 21-23, 2021)

I hereby declare that the information furnished above is accurate to the best of my knowledge. I take entire liability for the correctness of the information provided.

Energy storage materials, nanomaterials, capacitors, batteries, supercapacitors, fuel cells, conducting polymers, activated carbon, metal oxides, composites, Li-ion battery, MnO2-Zn battery, gel electrolyte, gel electrode, flexible supercapacitors, electrochemical studies, cyclic voltammetry, Charge-discharge, electrochemical impedance spectroscopy, corrosion (Tafel plot) analysis, Mott-Schottky plot, utilization of biomass, biofuel, dielectric material, waste water treatment.