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Dr Vishnumurthy K A

 Assistant Professor
 Qualification   M.Sc., Ph.D
 Experience
Teaching: 11 Years, Industry: 1.5 Years,   Research: 12 Years
 Area of Interest Conjugated polymers, Organic electronics, Sensors
 Date of Joining RVCE   05.11.2013
 Email ID   vishnumurthyka@rvce.edu.in

 Publications:

International Journals        : 41

International Conferences : 18

National Conference          : 08

Project gudieded

UG projects: 14

PG projects: 10

List of National Conference publications

  1. Roopa J, Vishnumurthy K A Rahul Kayala, Madhura Talwar, “Synthesis and Characterization of Conducting Polymers for Gas Sensing Applications”, Munnar, Kerala, India, 27 - 28 April 2014.

  2. Dr. B.S. Satyanarayana, Vishnu Murthy K A, Roopa J, Pratheek P, Pranav Neeli, Dheeraj Yadav, Nivas K A, Development And Characterization Of Polypyrrole Thin Films For LPG Leakage Detection System, IST, JNTUH Campus, Kukatpally, Hyderabad, Andhra Pradesh, India. June 26-28 2014.    

List of International Journals publications

  1. Vishnumurthy KA, Girish KH. A comprehensive review of battery technology for E-mobility. J Indian Chem Soc. 2021;98(10):100173. doi:10.1016/j.jics.2021.100173

  2. Anu KS, Vishnumurthy KA, Mahesh A, Natarajan K. Carbon fiber-reinforced, activated carbon-embedded copper oxide nanoparticles/epoxy hybrid composites for EMI shielding in aircraft applications. Polym Bull. 2024;81(10):8723-8750. doi:10.1007/s00289-023-05112-w

  3. Murali MG, Vishnumurthy KA, Seethamraju S, Ramamurthy PC. Colorimetric anion sensor based on receptor having indole- and thiourea-binding sites. RSC Adv. 2014;4(39):20592-20598. doi:10.1039/C4RA01555J

  4. Rashmi HS, Vishnumurthy KA, Girish KH, Raviraj K. Design and development of conjugated polymer-ferrite composite for selective recognition of NO2 vapors. J Mol Struct. 2023;1271:134149. doi:10.1016/j.molstruc.2022.134149

  5. Vishnumurthy KA, Adhikari AV, Sunitha MS, Mary KAA, Philip R. Design and synthesis of a new thiophene based donor–acceptor type conjugated polymer with large third order nonlinear optical activity. Synth Met. 2011;161(15-16):1699-1706. doi:10.1016/j.synthmet.2011.06.007

  6. Vishnumurthy KA, Pramodini S, Poornesh P, Nagaraja KK, Ahipa TN. Design and synthesis of polyindole - ZnO nano composite for NLO applications. J Indian Chem Soc. 2023;100(1):100827. doi:10.1016/j.jics.2022.100827

  7. Amith V, Sridhar R, Gangadhar A, Vishnumurthy KA. Design and synthesis of PVDF-cloisite-30B nanocomposite fibers for energy harvesting applications. Surf Interfaces. 2021;22:100869. doi:10.1016/j.surfin.2020.100869

  8. Pallavi SG, Vishnumurthy KA, Natarajan K. Detection of Low Concentration Ammonia Gas Using Diphenylamine Based Conjugated Polymer Sensors. Sens Lett. 2018;16(6):460-466. doi:10.1166/sl.2018.3980

  9. Veerabhadraiah A, Ramakrishna S, Angadi G, et al. Development of polyvinyl acetate thin films by electrospinning for sensor applications. Appl Nanosci. 2017;7(7):355-363. doi:10.1007/s13204-017-0576-9

  10. Anu KS, Vishnumurthy KA, Mahesh A, Natarajan K. Effect of carbon fiber reinforcement on the mechanical and electromagnetic shielding properties of the FE3 O4 ‐CARBONACEOUS /epoxy composites. Polym Adv Technol. 2023;34(9):2946-2960. doi:10.1002/pat.6119

  11. S.G P, K.A. V, Natarajan K. Effect of silver nanoparticles on the ammonia gas sensing behavior in diphenylamine based conjugated polymer. Adv Mater Lett. 2019;10(3):215-221. doi:10.5185/amlett.2019.2122

  12. Sunitha MS, Adhikari AV, Vishnumurthy KA, Smijesh N, Philip R. Electrochemical and Nonlinear Optical Studies of New D–A Type π-Conjugated Polymers Carrying 3,4-Benzyloxythiophene, Oxadiazole, and 3,4-Alkoxythiophene Systems. Chem Lett. 2012;41(3):234-236. doi:10.1246/cl.2012.234

  13. Sridhar R, Amith V, Aditya S, Gangadhar A, Vishnumurthy KA. Electrospun PVDF/Cloisite-30B and PVDF/BaTio3/graphene nanofiber mats for development of nanogenerators. J Indian Chem Soc. 2022;99(6):100501. doi:10.1016/j.jics.2022.100501

  14. Poojary MM, Vishnumurthy KA, Vasudeva Adhikari A. Extraction, characterization and biological studies of phytochemicals from Mammea suriga. J Pharm Anal. 2015;5(3):182-189. doi:10.1016/j.jpha.2015.01.002

  15. K S A, Vishnumurthy KA, A M, B S S, K N. Fabrication and comparison of mechanical and EMI shielding properties of various fibre reinforced multi-layered epoxy composites. J Indian Chem Soc. 2022;99(10):100720. doi:10.1016/j.jics.2022.100720

  16. Rajyaguru YV, Pandey A, Bose A, Ka V. Greening the future: Pioneering lithium battery recycling and beyond in the E‐mobility revolution. Vietnam J Chem. 2024;62(5):704-716. doi:10.1002/vjch.202300241

  17. Hulimane Shivaswamy R, Kanive Bagilu Ananthapadmanabha V, Kusanur R. Highly sensitive acetone sensor based on conjugated polymer nanocomposites. Polym Adv Technol. 2023;34(4):1118-1132. doi:10.1002/pat.5956

  18. Sunitha MS, Adhikari AV, Vishnumurthy KA, Safakath K, Philip R. Large Third-Order Nonlinearity of New π-conjugated Donor-Acceptor Polymers with Substituted Thiophene and 1,3,4-Oxadiazole Moieties. Int J Polym Mater. 2012;61(7):483-504. doi:10.1080/00914037.2011.593062

  19. Vishnumurthy KA, Kesavan AV, Swathi SK, Ramamurthy PC. Low band gap thienothiophene-diketopyrrolopyrole copolymers with V2O5 as hole transport layer for photovoltaic application. Opt Mater. 2020;109:110303. doi:10.1016/j.optmat.2020.110303

  20. Vishnumurthy KA, Kusanur R, Kendaganna Swamy S. Naked eye detection of anions: Dihydrazone receptor-based visual sensing. J Indian Chem Soc. 2024;101(11):101431. doi:10.1016/j.jics.2024.101431

  21. Vishnumurthy KA, Sunitha MS, Adhikari AV. New optical limiting polymeric materials with different π-electron conjugation bridge structures: Synthesis and characterization. Eur Polym J. 2012;48(9):1575-1585. doi:10.1016/j.eurpolymj.2012.06.003

  22. Shivashankar SM, Anantapadmanabha VK, Adhikari AV. Optical limiting materials: Synthesis, electrochemical and optical studies of new thiophene based conjugated polymers carrying 1,3,4‐oxadiazole units. Polym Eng Sci. 2013;53(6):1347-1356. doi:10.1002/pen.23362

  23. Naik NS, Padaki M, Isloor AM, Nagaraja KK, Vishnumurthy KA. Poly(ionic liquid)-Based charge and size selective loose nanofiltration membrane for molecular separation. Chem Eng J. 2021;418:129372. doi:10.1016/j.cej.2021.129372

  24. Naik NS, Sherugar P, Vishnumurthy KA, Arthanareeswaran G, Das DB, Padaki M. Polycarbene-bearing membrane surface containing silver species for size and charge selective molecular separation. Environ Sci Water Res Technol. 2022;8(10):2381-2397. doi:10.1039/D2EW00400C

  25. Anu KS, Vishnumurthy KA, Natarajan K. Preparation, Characterization and Electromagnetic Shielding Properties of Nickel-Doped Fe3O4/Epoxy Composites. J Mines Met Fuels. Published online December 20, 2024:134-142. doi:10.18311/jmmf/2024/47252

  26. Vishnumurthy KA, Adhikari AV. Reduction of nitro compounds carrying electron withdrawing groups: A convenient approach without metal catalyst. Chem Data Collect. 2019;20:100211. doi:10.1016/j.cdc.2019.100211

  27. Girish KH, Vishnumurthy KA, Roopa TS. Role of conducting polymers in enhancing the stability and performance of perovskite solar cells: a brief review. Mater Today Sustain. 2022;17:100090. doi:10.1016/j.mtsust.2021.100090

  28. Girish KH, Vishnumurthy KA, Roopa TS. Role of conducting polymers in enhancing the stability and performance of perovskite solar cells: a brief review. Mater Today Sustain. 2022;17:100090. doi:10.1016/j.mtsust.2021.100090

  29. Patil JH, Vishnumurthy KA, Kusanur R, Melavanki R. Synthesis and characterization of chitosan-hydroxyapatite composite for bone graft applications. J Indian Chem Soc. 2022;99(1):100308. doi:10.1016/j.jics.2021.100308

  30. Vishnumurthy KA, Sunitha MS, Adhikari AV. Synthesis and characterization of thiophene-based donor–acceptor type polyimide and polyazomethines for optical limiting applications. Polym Bull. 2013;70(1):147-169. doi:10.1007/s00289-012-0789-8

  31. Sunitha MS, Vishnumurthy KA, Adhikari AV. Synthesis and two-photon absorption property of new π -conjugated donor–acceptor polymers carrying different heteroaromatics. J Chem Sci. 2013;125(1):29-40. doi:10.1007/s12039-013-0366-1

  32. Vishnumurthy KA, Sunitha MS, Safakath K, Philip R, Adhikari AV. Synthesis, electrochemical and optical studies of new cyanopyridine based conjugated polymers as potential fluorescent materials. Polymer. 2011;52(19):4174-4183. doi:10.1016/j.polymer.2011.07.012

  33. Vishnumurthy KA, Sunitha MS, Safakath K, Philip R, Adhikari AV. Synthesis, electrochemical and optical studies of new cyanopyridine based conjugated polymers as potential fluorescent materials. Polymer. 2011;52(19):4174-4183. doi:10.1016/j.polymer.2011.07.012

  34. Patagar DN, Kusanur R, Batakurki SR, et al. Synthesis, evaluation of antioxidant and antidiabetic potential of 3-ethoxy carbonyl coumarin-8-propionamides. J Indian Chem Soc. 2024;101(12):101465. doi:10.1016/j.jics.2024.101465

  35. Vishnumurthy KA, Girish KH. Synthesis, photophysical, electrochemical and computational study of indolocarbazole based donor acceptor type conjugated polymers. Chem Pap. 2021;75(5):1969-1980. doi:10.1007/s11696-020-01445-2

  36. Vishnumurthy KA, Girish KH, Adhikari AV. Synthesis, physicochemical properties and computational study of donor–acceptor polymer for optical limiting application. SN Appl Sci. 2020;2(10):1727. doi:10.1007/s42452-020-03523-2

  37. Rajaram H, Harshitha N, Ram SA, Patra SM, Niranjan V, Vishnumurthy KA. Targeting non-structural proteins and 3CLpro in SARS-CoV-2 virus using phytochemicals from medicinal plants - In-silico approach. J Indian Chem Soc. 2022;99(6):100488. doi:10.1016/j.jics.2022.100488

  38. Kottokkaran R, A V, Kesavan AV, N V V, Ramamurthy PC. Thienothiophene-benzoxadiazole based conjugated copolymer for organic photovoltaic application. Mater Today Commun. 2017;11:132-138. doi:10.1016/j.mtcomm.2017.03.003

  39. Dhivyadharshini, Raj SS, Arpita BJ, Vishnumurthy KA. Unveiling the Performance Symphony of Iron Fluoride Cathodes in Advanced Energy Storage Devices. Korean J Chem Eng. 2024;41(1):53-72. doi:10.1007/s11814-023-00008-x.

List of International Conference publictions

  1. jay KM, Dinesh MN, Vishnu Murthy KA, Ravikumar CR, Nagaswarupa HP. Deposition & Electrochemical characterization of Multilayer coated electrode material for super capacitor application. Mater Today Proc. 2018;5(10):21452-21457. doi:10.1016/j.matpr.2018.06.554

  2. Rashmi HS, Vishnumurthy KA, Kusanur R. Design and synthesis of new conjugated copolymer for methanol sensing application. Mater Today Proc. 2022;54:596-601. doi:10.1016/j.matpr.2021.10.055

  3. Satish CS, Girija BM, Zumair K, Kumar SA, Ramesh KB, Vishnumurthy KA. Design of portable electronic instrument for detection of urea in milk by fabrication of urea sensor using ZnO nanoparticles. In: 2016 IEEE International Conference on Recent Trends in Electronics, Information & Communication Technology (RTEICT). IEEE; 2016:2120-2124. doi:10.1109/RTEICT.2016.7808214

  4. Roopa J, Muniraj R, Magaraj T M, Narayana BSS, Geetha KS, Vishnu Murthy K A. Development of a Conducting Polymer [polyaniline] based gas sensor. In: 2015 International Conference on Electrical, Electronics, Signals, Communication and Optimization (EESCO). IEEE; 2015:1-6. doi:10.1109/EESCO.2015.7253781

  5. Benara K, Baliga S, Pai DD, et al. Fabrication of a sensor to detect low concentration of methane: A bio-marker of colon cancer. In: 2016 IEEE Annual India Conference (INDICON). IEEE; 2016:1-4. doi:10.1109/INDICON.2016.7838944

  6. Pallavi SG, Vishnumurthy KA, Natarajan K. Naked eye detection of ammonia gas using diphenylamine based conjugated polymers. Mater Today Proc. 2018;5(10):21421-21426. doi:10.1016/j.matpr.2018.06.550

  7. Sunitha MS, Adhikari AV, Vishnumurthy KA, et al. Nonlinear Optical Properties of a Newly Synthesized Thiophene Based Conjugated Polymer. In: ; 2011:703-705. doi:10.1063/1.3643655

  8. Anu KS, Vishnumurthy KA, Natarajan K. Preparation, Characterization and Electromagnetic Shielding Properties of Nickel-Doped Fe3O4/Epoxy Composites. J Mines Met Fuels. Published online December 20, 2024:134-142. doi:10.18311/jmmf/2024/47252

  9. Vishnumurthy KA, Adhikari AV, Sunitha MS, et al. Synthesis and Characterization of a New Conjugated Polymer Bearing Pyrazole and Thiophene Moieties as Potent NLO Material. In: ; 2011:652-654. doi:10.1063/1.3643638.

 

Patents Filed/published

1. 1202341084841 “A method of synthesis of synthesis of polymer nano composites for the detection of ethanol vapour in room temperature. Filed

Awards

  • 2023: Young researcher of the year award by ISTE RVCE

  • 2015: Roopa J, Vishnu Murthy K A, K S Geetha, B S Satyanarayana, Development of a Conducting Polymer (Polyaniline) Based Gas Sensor., IEEE International Conference on Electrical, Electronics, Signals, Communication and Optimization (EESCO- 2015), Vizag, Jan 24- 25 2015. Paper got third prize.

  • 2011: Best poster award in “International conference on Recent Trends in material science and technology, Tiruvananthapuram, 18-21, October 2010.

  • 2007: First rank award in M. Sc. (Industrial chemistry) with Prof. Gajendraghad Goldmedal from Kuvempu University.

Notifications / CIrculars