R.K. Kotnala

Dr. R.K. Kotnala
Born
Ravinder Kumar Kotnala

October 2, 1957 (1957-10-02) (age 66)
Kotnali village, Uttarakhand, India
NationalityIndian
Education
OccupationScientist
Years active1982–Present
Notable workHydroelectric Cell, Green Hydrogen, Solar Cell, Spintronic Materials, Multiferroics, Ferrites, ISO based Quality System, Environmental Sciences & Biomedical Metrology.
Websitehttps://www.rkkotnala.com/

Ravinder Kumar Kotnala[1][2] known as R.K. Kotnala is an Indian scientist. He is known for his work on technologies like Hydroelectric Cell,[3] Solar Cell, Magnetic Materials & Magnetic Field Measurements and many others. In his 40 years of career as a scientist, Kotnala served in many organizations such as National Physical Laboratory, Department of Atomic Energy, and National Accreditation Board for Testing and Calibration Laboratories (NABL). Kotnala was selected in the World Ranking of Top 2% Scientists published by Stanford University in 2021.

Through his research & inventions Kotnala Advocates for the use of green energy solutions such as Hydroelectric Cell to combat global warming and climate change. He promotes awareness for science among youth through numerous invited talks and YouTube videos on scientific concepts behind any process.[4]

Kotnala has written several books & published various research articles on Hydroelectric Cell,[5] EMI Shielding,[6] Humidity Sensing,[7] Nano Magnetic Materials,[8] Chalcogenides,[9] Multiferroic & Spintronics,[10] Environmental Sciences & Solar Cell, Super Conductors & Supercapacitors[11] in journals such as Elsevier, American Physical Society, American Chemical Society, Royal Society of Chemistry, Wiley, Springer Nature, Arabian Journal of Chemistry[12] and Bulletin of Materials Science[13] published by Springer Science+Business Media on behalf of the Indian Academy of Sciences in collaboration with the Materials Research Society of India and the Indian National Science Academy.etc.

  1. ^ "Electricity-from-water scientist seeks commercialisation of invention". The Economic Times. December 20, 2016. ISSN 0013-0389. Retrieved July 23, 2024.
  2. ^ Kotnala, R K (February 24, 2021). "Hydroelectric cell path breaking invention for green electricity production by splitting of water -An alternative to solar cell and fuel cell for masses" (PDF). www.longdom.org. ISSN 2157-7048. Retrieved August 19, 2024.
  3. ^ "Indian scientists produce electricity from water without using energy: Know all about it". India Today. October 20, 2016. Retrieved July 23, 2024.
  4. ^ archive, From our online (December 17, 2016). "Indian scientists generate electricity from water sans using energy". The New Indian Express. Retrieved August 28, 2024.
  5. ^ Dhall, Monika; Khasa, Satish; Hooda, Ashima; Shah, Jyoti; Kotnala, R.K. (May 2024). "Nanocomposite NBT-MFO for eco-friendly power generation: Self sustainable hydroelectric cell". Ceramics International. 50 (10): 17570–17592. doi:10.1016/j.ceramint.2024.02.247.
  6. ^ "Electromagnetic interference shielding performance by thermally stable magnesium ferrite encapsulated polythiophene com…". ouci.dntb.gov.ua (in Ukrainian). Retrieved July 27, 2024.
  7. ^ Kunchakara, Suhasini; Ratan, Amar; Dutt, Meenakshi; Shah, Jyoti; Kotnala, R. K.; Singh, Vaishali (October 1, 2020). "Impedimetric humidity sensing studies of Ag doped MCM-41 mesoporous silica coated on silver sputtered interdigitated electrodes". Journal of Physics and Chemistry of Solids. 145: 109531. Bibcode:2020JPCS..14509531K. doi:10.1016/j.jpcs.2020.109531. ISSN 0022-3697.
  8. ^ Baloni, Manoj; Sharma, Ram Chhavi; Singh, Hemant; Khan, Bushra; Singh, Manoj K.; Sati, Prakash Chandra; Thakur, Vikas N.; Kotnala, R. K.; Kumar, Ashok (June 15, 2023). "Energy storage and magnetoelectric coupling in neodymium (Nd) doped BiFeO3-PbTiO3 solid solution". Journal of Alloys and Compounds. 946: 169333. doi:10.1016/j.jallcom.2023.169333. ISSN 0925-8388.
  9. ^ Kang, Jasmeen; Kotnala, R. K.; Tripathi, S. K. (October 1, 2023). "Compositional effects of Ga incorporation on electrical and dielectric parameters in Ge-Se-Sb-Ga thin films". Materials Science and Engineering: B. 296: 116689. doi:10.1016/j.mseb.2023.116689. ISSN 0921-5107.
  10. ^ Verma, K. C.; Goyal, Navdeep; Kotnala, R. K. (February 1, 2019). "Tuning magnetism in 0.25BaTiO3-0.75CoFe2O4 hetero-nanostructure to control ferroelectric polarization". Physica B Condensed Matter. 554: 9–16. Bibcode:2019PhyB..554....9V. doi:10.1016/j.physb.2018.11.009. ISSN 0921-4526.
  11. ^ Baloni, Manoj; Sharma, Ram Chhavi; Singh, Hemant; Khan, Bushra; Singh, Manoj K.; Sati, Prakash Chandra; Thakur, Vikas N.; Kotnala, R. K.; Kumar, Ashok (June 15, 2023). "Energy storage and magnetoelectric coupling in neodymium (Nd) doped BiFeO3-PbTiO3 solid solution". Journal of Alloys and Compounds. 946: 169333. doi:10.1016/j.jallcom.2023.169333. ISSN 0925-8388.
  12. ^ Dar, M. Abdullah; Majid, Kowsar; Farukh, M.; Dhawan, S. K.; Kotnala, R. K.; Shah, Jyoti (December 1, 2019). "Electromagnetic attributes a dominant factor for the enhanced EMI shielding of PANI/Li0.5Fe2.5−xGdxO4 core shell structured nanomaterial". Arabian Journal of Chemistry. 12 (8): 5111–5119. doi:10.1016/j.arabjc.2016.12.001. ISSN 1878-5352.
  13. ^ "Bulletin of Materials Science | Indian Academy of Sciences". www.ias.ac.in. Retrieved July 27, 2024.