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Dr. Sandeep

Dr. Sandeep Kumar

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 Centre for Nano Science and Engineering (CeNSE), Indian Institute of Science (IISc) Bangalore.
There he was working on flexible organic and perovskite solar cells. Parallelly, there he was also working on Ge-on-Si based near infrared photodetectors.
He obtained his Master of Technology degree in Microelectronics from Panjab University Chandigarh
in 2009. He did his Ph.D. from the Department of Electrical Engineering at the Indian Institute of Technology
Kanpur (IIT Kanpur) in 2017. There he worked on organic devices with a special emphasis on
Organic solar cells. He has hand on experience with device fabrication and its characterizations. He
has practical exposure to working in state-of-the-art clean room facilities equipped with modern tools at IIT Kanpur and IISc Bangalore.
His current research is focused on Flexible organic and perovskite solar cells, near infra-red 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)

    Organization: Centre for Nano Science and Engineering (CeNSE) in Indian Institute of Science (IISc) Bangalore, India

    Worked on:
    Growth of Ge-on-Si
    NIR Photodetector (Ge-on-Si substrates)
    Perovskite solar cells on flexible steel-substrate

Awards & Honors

 

YearAward
2007CSIR-UGC NET in Physical Sciences under Lectureship category
2007Graduate Aptitude Test in Engineering (GATE) in Physics (AIR = 871)
1999In merit list (51 st position) 10 th in Himachal Pradesh Board of School Education
1999National Scholarship in 10th from Himachal Pradesh Board of School Education

EDUCATION

  • Doctor of Philosophy from Electrical Engineering (EE), IIT Kanpur (2017)

  • Master of Technology (Microelectronics) from Panjab University Chandigarh (2009)

  • Master of Science (Physics) from Guru Nanak Dev University Amritsar (2006)

PROFESSIONAL AFFILIATION

  • 10/2017 – 03/2018 Project Engineer

    Organization: Samtel Centre for Display Technologies (SCDT) at Indian
    Institute of Technology (IIT) Kanpur, India
    Worked on:
    Large area organic solar cells
    Doctor-blade coating technique
    Bonding process.

  • 08/2015 – 09/2017 Senior Student Research Associate

    Organization: Electrical Engineering, IIT Kanpur, India
    Worked on:
    Indo-Korean project related to the study of electrodes in organic solar cells,
    their impact on efficiency and stability of solar cells

TEACHING

Techno-economics of Photovoltaics

AREA OF RESEARCH

  • Flexible organic & perovskite solar cells
  • Ge-on-Si based near infrared photodetectors
  • Techno-economics of photovoltaics

CONTACT

  • www.nsb.ac.in
  • sandeep.kumar@nsb.ac.in
  • (91) 0120 - 2478219
publications
Journal Publications
  1. Pranay Prasoon, Debajit Palit, and Kumar, “Long term Performance Evalaution of Solar PV Power Plant: The Case of 5 MWp Solar Plant at NTPC Dadri in India”, Energy for Sustainable Development, Vo. 92, pp. 101944, 2026.

DOI: https://doi.org/10.1016/j.esd.2026.101944

  1. Dharmendra Kumar Singh and Kumar, “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

  1. Khushboo Kumari, S. Kumar, Mahek Mehta, Avijit Chatterjee, Shankar Kumar Selvaraja and Sushobhan Avasthi,” 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

  1. Kumar, Honggyun Kim, Deok-kee Kim and S. S. K. Iyer, “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

  1. Kumar, Avijit Chatterjee, Shankar Kumar Selvaraja and Sushobhan Avasthi, “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

  1. Honggyun Kim, Kumar, Og Jin Kim, S. Sundar Kumar Iyer and Deok-kee Kim, “ 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

  1. Kumar and S. S. K. Iyer, “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

  1. Kumar and S. S. K. Iyer, “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

  1. Kumar and S. S. K. Iyer, “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:
  1. Kumar, Nisheka Anandkat, Mahek Mehta, Rich Kant, Vani Pawar and Sushobhan Avasthi, “Sputtered NiOx as a hole transport layer in n-i-p perovksite 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
  2. Nisheka Anadkat, Shruti Shukla, Kumar and Sushobhan Avasthi, “ High efficiency semitransparent perovksite 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

  1. Kumar, Nisheka Anandkat and Sushobhan Avasthi; “N-i-p perovksite 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

  1. Vani Pawar, A. K. Palariya, Nisheka Anadkat, Kumar and S. Avasthi, “ Antisovlent 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

  1. Kumar, A. K. Palariya, A. Abhisek Mohapatra, S. Patil and S. Avasthi, “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

  1. Kumar and Sushobhan Avasthi, “ 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.

DOI: 10.1109/PVSC45281.2020.9300965

  1. Kumar, Arun Singh Chouhan, Hiralal Agarwal and Sushobhan Avasthi, “ 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

  1. Kumar, Pankaj Kumar, Khushboo Kumari and Sushobhan Avasthi; “Optimization of controlled two-steps liquid phase crystallization of Ge-on-Si”, 4th International Conference on Emerging Electronics (ICEE), IEEE held in Bengaluru on December 17-19, 2018.

DOI: 10.1109/ICEE44586.2018.8937975

  1. Kumar and S. S. K. Iyer, “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

Conferences/Workshops/Symposiums presentations (not published):
  1. Shashank Mishra and Kumar, “Battery integrated hybrid renewable energy generation systems for round the clock power supply”, oral presentation in the 9th International Conference on Energy, Infrastructure, and Management 2024 (ICEIM 24) organized on 12-14 December 2024 at the School of Management, Pandit Deendayal Energy University, Gandhinagar, Gujarat.
  2. Vani Pawar, Nisheka Anadkat, Anuj Kumar Palariya, Kumar and Sushobhan Avasthi, “Acetamidinium-substituted 2D ruddlesden popper halide perovskite solar cells,” poster presentation in XX1st International Workshop on Physics of Semiconductor devices (IWPSD), 14-17 December, virtual conference (2021).
  3. Nisheka Anadkat, Kumar, Vani Pawar and Sushobhan Avasthi, “Semi-transparent acetamidinium substituted perovskite solar cells,” poster presentation in XX1st International Workshop on Physics of Semiconductor devices (IWPSD), 14-17 December, virtual conference (2021).
  4. S. Kumar, Nisheka Anadkat and Sushobhan Avasthi, “Semi-transparent Au as top contact in perovskite solar cells fabricated on stainless-steel substrate,” poster presentation in XX1st International Workshop on Physics of Semiconductor devices (IWPSD), 14-17 December, virtual conference (2021).
  5. Kumar and S. Sundar Kumar Iyer; poster presentation based on my Ph.D. thesis work presented in the 62nd DAE Solid State Physics Symposium (DAE SSPS) held at DAE Convention Centre, Anushaktinagar, Mumbai, India during December 26-30, 2017.
  6. Kumar, Honggyun Kim, Deok-kee Kim and S. S. K. Iyer; poster presentation on title “Comparison of inverted organic solar cell devices with differently processed back electrode” presented in the International Conference on Advanced Nanomaterials and Nanotechnology (ICANN) held at I.I.T. Guwahati, Assam, India during December 18-21, 2017.
  7. Kumar and S. Sundar Kumar Iyer; oral presentation based on my Ph.D. thesis work was presented in the 4th IEEE, UPCON 2017 held at G.L.A. University, Mathura, India (October 28, 2017).
  8. Honggyun Kim, Ok-Jin Kim, Kumar, S. S. K. Iyer and Deok-kee Kim; poster titled “Bonding of back electrodes for solution-processed solar cell applications” presented in the 9th Asian Conference on Organic Electronics held at KAIST, Daejeon, Korea during October 25-27, 2017.
  9. Honggyun Kim, Kumar, S. S. K. Iyer and Deok-kee Kim; poster titled “Optimization of deposition conditions of differently synthesized solution-processed ZnO for solar cell applications” presented in the 16th International Symposium on Microelectronics and Packaging (ISMP 2017) held at COEX (Convention Exhibition) convention centre located at Seoul, Korea during October 17-19, 2017.
  10. Kumar and S. S. K. Iyer; poster presentation titled “Role of ZnO and single wall carbon nanotube composite buffer layer on the performance of single layer and bulk hetero-junction solar cells” in IWPSD-2015 held at IISc Bangalore, India (December 7-9, 2015).
  11. Kumar; oral presentation titled “Variations in spectral response behaviour in single layer organic solar cells with active layer thickness and bias” in IEEE, PVSC-2015 international conference held in New Orleans, Louisiana (U.S.) (June 14-19, 2015).
  12. Kumar and S. S. K. Iyer; poster presentation titled “Suitability of SWNT electrodes as anodes of organic solar cells” in international conference on Advanced Nanomaterials and Nanotechnology (ICANN-2013) in I.I.T. Guwahati (December 01-03, 2013).
  13. S. Kumar and Amit Choudhary; poster presentation titled “MOSFET modelling at low and high temperature range” in Chandigarh Science Congress (CHASCON)-2009 held at Panjab University, Chandigarh, India (February 26-28, 2009).
Articles in Magazine
  1. Advertorial on “Solar photovoltaics & Zero Emission”, in Power Line magazine, volume 26, No. 11 July, 2022; pp. 35.
Invited talks:
  1. Webinar titled “PM Suryaghar Muft Bijli Yojna” in the state learning week of Andaman & Nicobar Island which is hosted and supported by Karmayogi Bharat and the Capacity Building Commission, aimed at enhancing the skills and knowledge of government servants on 21st March, 2025.
  2. Talk titled “Carriers transport and p-n junction” at Rayat Bahra Institute of Engineering and Nano Technology, Hoshiarpur, Panjab on 18th August, 2023.
  3. Talk titled “SiGe based near-infrared photodetectors and perovskite solar cells on steel-substrate” in 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 on 19th – 23rd September, 2022.
  4. Talk titled “SiGe and GeSn based photodetectors for near-infrared (NIR) applications”, in Six Days Faculty Development Programme on “Recent Advancements in Semiconductor Technologies – RASET” conducted virtually by Department of Electronics & Communication Engineering, SRM institute of Science and Technology, Chennai on 9th – 14th October, 2020.
Capacity Building Programs Coordinated
  1. 2-week capacity building program for the Power Professionals from Ceylon Electricity Board, Sri Lanka on “Solar Energy and Photovoltaic Systems” from March 09 – 20, 2026.
  2. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from multi countries on “Electric Vehicles, Batteries and Charging stations” from Feb 2 – 6, 2026.
  3. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from the multi countries on “Microgrids & Renewables” from Jan 19 – 23, 2026.
  4. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from the QUAD countries on “Electric Vehicles, Batteries and Charging stations” from Feb 17 – 21, 2025.
  5. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the officials from Morocco on “Green Hydrogen” from Feb 3 – 8, 2025.
  6. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from the QUAD countries on “Microgrids & Renewables” from Jan 20 – 24, 2025.
  7. 5-day capacity building program on “Solar Photovoltaics Systems, Rooftop Solar PV Technology” for the professionals from NSPCL from Aug 5 – 9, 2024.
  8. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from the QUAD countries on “Electric Vehicles, Batteries and Charging stations” from May 20 – 24, 2024.
  9. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from Republic of Uganda on “Electric Vehicles, Batteries and Charging stations” from Mar 18 – 22, 2024.
  10. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from Republic of Uganda on “O&M of Hydro Power Plant” from Mar 4 – 8, 2024.
  11. 5-day Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from Indo-Pacific Nations (Sri Lanka, Cambodia, Guyana and Maldives) on “Infrastructure for Electric Vehicles Deployment” from Nov 6 -10, 2023.
  12. 5-days Indian Technical and Economic Cooperation (ITEC) training program of the Ministry of External Affairs (MEA), Govt of India, for the Power Professionals from Myanmar on “Electric Vehicles, Batteries, and Charging Stations” from June 5 -9, 2023.
  13. 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 the participants from Sub-Saharan African Countries, from Nov, 2022 to July, 2023
Teaching:
  • Techno-economics of Photovoltaics
  • Quantitative Techniques
  • Energy Storage Systems
  • Energy-in-Transition
  • Solar Photovoltaics and energy storage systems
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