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Dr. Sandeep Kumar

Dr. Sandeep Kumar
Dr. Sandeep Kumar
Assistant Professor

About: Introduction

Dr Sandeep Kumar is an Assistant Professor at NTPC School of Business (NSB), Noida, Uttar Pradesh. Before joining NSB, he was working as a Research Associate (Post-doctoral fellow) at the Centre for Nano Science and Engineering (CeNSE), Indian Institute of Science (IISc) Bangalore, where he worked on flexible organic and perovskite solar cells, and in parallel on Ge-on-Si based near infrared photodetectors. He obtained his Master of Technology degree in Microelectronics from Panjab University Chandigarh in 2009, and his Ph.D. from the Department of Electrical Engineering at the Indian Institute of Technology Kanpur (IIT Kanpur) in 2017, where he worked on organic devices with a special emphasis on organic solar cells. He has hands-on experience with device fabrication and characterization, with practical exposure to state-of-the-art clean room facilities at IIT Kanpur and IISc Bangalore. His current research is focused on flexible organic and perovskite solar cells, near infrared photodetectors, and techno-economics of photovoltaics.

Academic Affiliation
  • 04/2022 – To date: Assistant Professor at NTPC School of Business, Noida, U.P.
  • 04/2018 – 03/2022: Research Associate (post-doctoral), Centre for Nano Science and Engineering (CeNSE), Indian Institute of Science (IISc) Bangalore, India — worked on growth of Ge-on-Si, NIR photodetector (Ge-on-Si substrates), and perovskite solar cells on flexible steel-substrate
Awards And Honors
  • 2007 – CSIR-UGC NET in Physical Sciences under Lectureship category
  • 2007 – Graduate Aptitude Test in Engineering (GATE) in Physics (AIR = 871)
  • 1999 – Merit list (51st position), 10th in Himachal Pradesh Board of School Education
  • 1999 – National Scholarship in 10th from Himachal Pradesh Board of School Education
Education
  • Ph.D., Electrical Engineering (EE) – IIT Kanpur – 2017
  • Master of Technology, Microelectronics – Panjab University, Chandigarh – 2009
  • Master of Science, Physics – Guru Nanak Dev University, Amritsar – 2006
Professional Affiliation
  • 10/2017 – 03/2018: Project Engineer, Samtel Centre for Display Technologies (SCDT), Indian Institute of Technology (IIT) Kanpur, India — worked on large area organic solar cells, doctor-blade coating technique, and bonding process
  • 08/2015 – 09/2017: Senior Student Research Associate, Electrical Engineering, IIT Kanpur, India — worked on an Indo-Korean project related to the study of electrodes in organic solar cells and their impact on efficiency and stability of solar cells
Teaching
  • Techno-economics of Photovoltaics
  • Quantitative Techniques
  • Energy Storage Systems
  • Energy-in-Transition
  • Solar Photovoltaics and Energy Storage Systems
Areas Of Research
Areas
  • Flexible organic & perovskite solar cells
  • Ge-on-Si based near infrared photodetectors
  • Techno-economics of photovoltaics
Contact Information
sandeep.kumar@nsb.ac.in(91) 0120 - 2478219[nsb.ac.in](https://www.nsb.ac.in)

Publications

Journals
  • Prasoon, P., Palit, D., and Kumar, S. Long term Performance Evaluation of Solar PV Power Plant: The Case of 5 MWp Solar Plant at NTPC Dadri in India. Energy for Sustainable Development, Vol. 92, pp. 101944, 2026. DOI: https://doi.org/10.1016/j.esd.2026.101944
  • Singh, D. K. and Kumar, S. Techno-economics of High Ash Coal Gasification: A Machine Learning Approach using CatBoost Model. Journal of Cleaner Production, Vol. 481, pp. 144160 (2024). DOI: https://doi.org/10.1016/j.jclepro.2024.144160
  • Kumari, K., Kumar, S., Mehta, M., Chatterjee, A., Selvaraja, S. K. and Avasthi, S. Laser Annealed Epitaxial Germanium-on-Silicon Based Near Infra-Red Photodetector. IEEE Sensors Journal, Vol. 22, No. 12, pp. 11682-11689 (2022). DOI: 10.1109/JSEN.2022.3174736
  • Kumar, S., Kim, H., Kim, D. and Iyer, S. S. K. Spin and doctor-blade coated PEDOT:PSS back electrodes in inverted organic solar cells. Solar Energy, Vol. 204, pp. 64-70 (2020). DOI: https://doi.org/10.1016/j.solener.2020.04.071
  • Kumar, S., Chatterjee, A., Selvaraja, S. K. and Avasthi, S. Two-step liquid phase crystallized germanium-based photodetector for near-infrared applications. IEEE Sensors Journal, Vol. 20, No. 9, pp. 4660-4666 (2020). DOI: 10.1109/JSEN.2020.2966759
  • Kim, H., Kumar, S., Kim, O. J., Iyer, S. S. K. and Kim, D. Ag back electrode bonding process for inverted organic solar cells. Journal of Alloys and Compounds, Vol. 777, pp. 294-301 (2019). DOI: https://doi.org/10.1016/j.jallcom.2018.11.006
  • Kumar, S. and Iyer, S. S. K. A method to discern voltage dependent internal photoemission component from photoconductivity content in spectral response of metal-semiconductor-metal devices and evaluate the interface barriers. Organic Electronics, Vol. 65, pp. 215-221 (2019). DOI: https://doi.org/10.1016/j.orgel.2018.11.019
  • Kumar, S. and Iyer, S. S. K. Metal-organic semiconductor interfacial barrier height determination from internal photo emission signal in spectral response measurements. Journal of Applied Physics, Vol. 121(14), 143104 (2017). DOI: https://doi.org/10.1063/1.4980030
  • Kumar, S. and Iyer, S. S. K. Spectral response behaviour in relation to its absorption spectrum in single layer organic semiconductor devices. IEEE Journal of Photovoltaics, Vol. 7, pp. 558-565 (2017). DOI: 10.1109/JPHOTOV.2017.2654303
Conference Proceedings
  • Kumar, S., Anandkat, N., Mehta, M., Kant, R., Pawar, V. and Avasthi, S. Sputtered NiOx as a hole transport layer in n-i-p perovskite solar cells manufactured on steel substrate. 2022 IEEE International Conference on Emerging Electronics (ICEE), Bangalore, India, 2022, pp. 1-4. DOI: 10.1109/ICEE56203.2022.10117948
  • Anadkat, N., Shukla, S., Kumar, S. and Avasthi, S. High efficiency semitransparent perovskite solar cells tuned via change in concentration of perovskite precursor. 2022 IEEE International Conference on Emerging Electronics (ICEE), Bangalore, India, 2022, pp. 1-4. DOI: 10.1109/ICEE56203.2022.10117699
  • Kumar, S., Anandkat, N. and Avasthi, S. N-i-p perovskite solar cells on opaque flexible stainless-steel substrate. IEEE International Flexible Electronics Technology Conference (IFETC), Qingdao, China, 2022, pp. 1-2. DOI: 10.1109/IFETC53656.2022.9948531
  • Pawar, V., Palariya, A. K., Anadkat, N., Kumar, S. and Avasthi, S. Antisolvent effect on acetamidinium substituted 2D Ruddlesden-Popper perovskite solar cells. 2022 49th IEEE Photovoltaic Specialists Conference (PVSC), Philadelphia, PA, USA, 2022, pp. 1133-1135. DOI: 10.1109/PVSC48317.2022.9938574
  • Kumar, S., Palariya, A. K., Mohapatra, A., Patil, S. and Avasthi, S. Acetamidinium-substituted methylammonium lead iodide based perovskite solar cell on flexible stainless-steel substrate. 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC), 2021, pp. 0939-0941. DOI: 10.1109/PVSC43889.2021.9518654
  • Kumar, S. and Avasthi, S. Liquid phase crystallization of Ge over direct Si substrate as a template for GaAs applications. 2020 47th IEEE Photovoltaic Specialists Conference (PVSC), Calgary, AB, Canada, 2020, pp. 1987-1989. DOI: 10.1109/PVSC45281.2020.9300965
  • Kumar, S., Chouhan, A. S., Agarwal, H. and Avasthi, S. Perovskite solar cell on flexible stainless-steel substrate. 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), Chicago, IL, USA, pp. 0477-0479 (2019). DOI: 10.1109/PVSC40753.2019.8980558
  • Kumar, S., Kumar, P., Kumari, K. and Avasthi, S. Optimization of controlled two-steps liquid phase crystallization of Ge-on-Si. 4th International Conference on Emerging Electronics (ICEE), IEEE, Bengaluru, December 17-19, 2018. DOI: 10.1109/ICEE44586.2018.8937975
  • Kumar, S. and Iyer, S. S. K. Variations in spectral response behaviour in single layer organic solar cells with active layer thickness and bias. Photovoltaic Specialist Conference (PVSC), IEEE 42nd, 2015, pp. 1-6. DOI: 10.1109/PVSC.2015.7355643
Conference Workshop Presentations
  • Mishra, S. and Kumar, S. Battery integrated hybrid renewable energy generation systems for round the clock power supply. Oral presentation at the 9th International Conference on Energy, Infrastructure, and Management 2024 (ICEIM 24), School of Management, Pandit Deendayal Energy University, Gandhinagar, Gujarat, 12-14 December 2024
  • Pawar, V., Anadkat, N., Palariya, A. K., Kumar, S. and Avasthi, S. Acetamidinium-substituted 2D Ruddlesden-Popper halide perovskite solar cells. Poster presentation, XXIst International Workshop on Physics of Semiconductor Devices (IWPSD), 14-17 December, virtual conference (2021)
  • Anadkat, N., Kumar, S., Pawar, V. and Avasthi, S. Semi-transparent acetamidinium substituted perovskite solar cells. Poster presentation, XXIst International Workshop on Physics of Semiconductor Devices (IWPSD), 14-17 December, virtual conference (2021)
  • Kumar, S., Anadkat, N. and Avasthi, S. Semi-transparent Au as top contact in perovskite solar cells fabricated on stainless-steel substrate. Poster presentation, XXIst International Workshop on Physics of Semiconductor Devices (IWPSD), 14-17 December, virtual conference (2021)
  • Kumar, S. and Iyer, S. S. K. Poster presentation based on Ph.D. thesis work, 62nd DAE Solid State Physics Symposium (DAE SSPS), DAE Convention Centre, Anushaktinagar, Mumbai, India, December 26-30, 2017
  • Kumar, S., Kim, H., Kim, D. and Iyer, S. S. K. Comparison of inverted organic solar cell devices with differently processed back electrode. Poster presentation, International Conference on Advanced Nanomaterials and Nanotechnology (ICANN), IIT Guwahati, Assam, India, December 18-21, 2017
  • Kumar, S. and Iyer, S. S. K. Oral presentation based on Ph.D. thesis work, 4th IEEE UPCON 2017, GLA University, Mathura, India, October 28, 2017
  • Kim, H., Kim, O., Kumar, S., Iyer, S. S. K. and Kim, D. Bonding of back electrodes for solution-processed solar cell applications. Poster, 9th Asian Conference on Organic Electronics, KAIST, Daejeon, Korea, October 25-27, 2017
  • Kim, H., Kumar, S., Iyer, S. S. K. and Kim, D. Optimization of deposition conditions of differently synthesized solution-processed ZnO for solar cell applications. Poster, 16th International Symposium on Microelectronics and Packaging (ISMP 2017), COEX Convention Centre, Seoul, Korea, October 17-19, 2017
  • Kumar, S. and Iyer, S. S. K. Role of ZnO and single wall carbon nanotube composite buffer layer on the performance of single layer and bulk hetero-junction solar cells. Poster presentation, IWPSD-2015, IISc Bangalore, India, December 7-9, 2015
  • Kumar, S. Variations in spectral response behaviour in single layer organic solar cells with active layer thickness and bias. Oral presentation, IEEE PVSC-2015, New Orleans, Louisiana, U.S., June 14-19, 2015
  • Kumar, S. and Iyer, S. S. K. Suitability of SWNT electrodes as anodes of organic solar cells. Poster presentation, International Conference on Advanced Nanomaterials and Nanotechnology (ICANN-2013), IIT Guwahati, December 01-03, 2013
  • Kumar, S. and Choudhary, A. MOSFET modelling at low and high temperature range. Poster presentation, Chandigarh Science Congress (CHASCON)-2009, Panjab University, Chandigarh, India, February 26-28, 2009
Magazine Articles
  • Advertorial on 'Solar photovoltaics & Zero Emission', Power Line magazine, Volume 26, No. 11, July 2022, pp. 35
Invited Talks
  • Webinar titled 'PM Suryaghar Muft Bijli Yojna' in the State Learning Week of Andaman & Nicobar Island, hosted and supported by Karmayogi Bharat and the Capacity Building Commission, aimed at enhancing the skills and knowledge of government servants, 21st March 2025
  • Talk titled 'Carriers transport and p-n junction' at Rayat Bahra Institute of Engineering and Nano Technology, Hoshiarpur, Punjab, 18th August 2023
  • Talk titled 'SiGe based near-infrared photodetectors and perovskite solar cells on steel-substrate' in the Five Days Faculty Development Programme on 'Recent development in new Engineering materials and applications (RDEMA) – 2022', conducted virtually by Academic Staff College in association with School of Electronics Engineering, Vellore Institute of Technology, Vellore, 19th–23rd September 2022
  • Talk titled 'SiGe and GeSn based photodetectors for near-infrared (NIR) applications' in the Six Days Faculty Development Programme on 'Recent Advancements in Semiconductor Technologies – RASET', conducted virtually by the Department of Electronics & Communication Engineering, SRM Institute of Science and Technology, Chennai, 9th–14th October 2020
Capacity Building Programs Coordinated
  • 2-week capacity building Programme e e e e for Power Professionals from Ceylon Electricity Board, Sri Lanka, on 'Solar Energy and Photovoltaic Systems', March 09–20, 2026
  • 5-day ITEC (Indian Technical and Economic Cooperation) training Programme e e e of the Ministry of External Affairs (MEA), Govt. of India, for Power Professionals from multiple countries on 'Electric Vehicles, Batteries and Charging Stations', Feb 2–6, 2026
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from multiple countries on 'Microgrids & Renewables', Jan 19–23, 2026
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from QUAD countries on 'Electric Vehicles, Batteries and Charging Stations', Feb 17–21, 2025
  • 5-day ITEC training Programme of the MEA, Govt. of India, for officials from Morocco on 'Green Hydrogen', Feb 3–8, 2025
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from QUAD countries on 'Microgrids & Renewables', Jan 20–24, 2025
  • 5-day capacity building Programme on 'Solar Photovoltaics Systems, Rooftop Solar PV Technology' for professionals from NSPCL, Aug 5–9, 2024
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from QUAD countries on 'Electric Vehicles, Batteries and Charging Stations', May 20–24, 2024
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from the Republic of Uganda on 'Electric Vehicles, Batteries and Charging Stations', Mar 18–22, 2024
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from the Republic of Uganda on 'O&M of Hydro Power Plant', Mar 4–8, 2024
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from Indo-Pacific Nations (Sri Lanka, Cambodia, Guyana and Maldives) on 'Infrastructure for Electric Vehicles Deployment', Nov 6–10, 2023
  • 5-day ITEC training Programme of the MEA, Govt. of India, for Power Professionals from Myanmar on 'Electric Vehicles, Batteries, and Charging Stations', June 5–9, 2023
  • A series of 10 ISA-sponsored 3-day capacity building programs titled 'Developing training modules and conducting trainings promoting solar energy through government led development schemes' for participants from Sub-Saharan African countries, Nov 2022 to July 2023
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