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S. Sundar Kumar Iyer Office location: WL
122 Email: sskiyer [AT] iitk.ac.in I am also a part of the National Centre for Flexible
Electronics (FlexE Centre) which forms a bridge between
academia and industry with a goal of creating an eco-system for flexible
electronic manufacturing in India. It operates under the Samtel
Centre for Display Technologies at IIT
Kanpur. |
Research and Development Interests
o
Organic Solar Cells
o
Flexible Photovoltaic Technology
o
Flexible Electronics
News
PhD
student Anil Kumar Panda H. wins first prize in
the Engineering Sciences for his presentation at
Saransh-2025,
organized by Indian National Young Academy of Science (INYAS).
He was awarded a plaque
commemorating this achievement.
Congratulations,
Anil! Keep up the excellence in your work!!
The FlexPV Team at IIT Kanpur
Photograph taken in front of
Samtel Centre for Display Technologies on 12st December, 2025.
Technologies Developed
o
Organic photovoltaic solar
modules on glass substrate (Supported by MNRE, Govt. of India)
o
Organic solar modules on paper
substrate (Supported by MeitY, Govt. of India)
In the Press
o
International
Edition and Indian
Edition of pv magazine about the OPV
modules built on paper substrates (29th September, 2020)
o
Interview
in the The Electronics on Flexible Electronics on the occasion of
launching of Innovation Challenge at the FlexE Centre, IIT Kanpur (12th
February, 2021)
Recent
Publications
o Investigating
Differences in Performances of top and Bottom Illuminated Organic Solar Cells, Anil Kumar Panda H,
Gaurav Pandey and S. Sundar Kumar Iyer, IEEE Journal of the Electron Devices
Society, 2025.
o Guest Editorial
Special Issue on Flexible Electronics for Emerging Markets and Developing
Economies,
S. Sundar Kumar Iyer, et al., IEEE Journal on Flexible Electronics,
Volume 2, Number 5, September 2023, pp. 333-335.
o Shelf-life
Comparison of Paper Solar Cells with either MoO3 or Epoxy as
Encapsulation Layers, Sambathkumar Balasubramanian, Eswaran Jayaraman
and S. Sundar Kumar Iyer, IEEE JFLEX, IEEE Journal on Flexible Electronics,
vol. 2, no. 5, September 2023, pp. 390-394.
o Improvement of hole mobility
in PTB7 polymer film with a low temperature electric field treatment, Anirban Bagui and S.
Sundar Kumar Iyer, Journal of Applied Physics, 128, 02 December 2020, 215501
(8 pages)
o Organic Photovoltaic
Modules Built on Paper Substrates, Eswaran Jayaraman and S. Sundar Kumar Iyer, Advanced
Materials Technologies, 21
September 2020, 2000664 (10 pages)
o Spin and
doctor-blade coated PEDOT:PSS back electrodes in inverted organic solar cells, Sandeep Kumar, Honggyun
Kim, Deok-kee Kim and S. Sundar Kumar Iyer, Solar Energy, Volume 204, 1
July 2020, pp. 64-70
o Tuning Thin Film
Properties by Structural Modulations in Red Fluorescent Protein Chromophore
Analogues,
Ashish Singh, Raghav Gupta, Nazia Siddiqui, S. Sundar Kumar Iyer and Gurunath
Ramanathan, ChemistrySelect, Volume 4, Issue 45, 6 December, 2019, pp.
13320-13326
o Building a Planar
Single and Binary Blend Stack Ternary Organic Solar Cells, Shubham Yadav and
S.Sundar Kumar Iyer, Flexible and Printable Electronics, Volume 4, 12
August 2019, 034003 (8 pages)
o Organic Solar Cells on
Paper Substrates,
Madhu Rawat, Eswaran Jayaraman, Sambathkumar Balasubramanian
and S. Sundar Kumar Iyer, Advanced Materials Technologies, 20 May 2019,
1900184 (11 pages)
o Ag back
electrode bonding process for inverted organic solar cells, Honggyun Kim, Sandeep
Kumar, Og Jin Kim, S. Sundar Kumar Iyer and Deok-kee Kim, Journal of Alloys
and Compounds, Volume 777, 10 March 2019, pp. 294-301
o A method to
discern voltage dependent internal photoemission component from
photoconductivity content in spectral response of metal-organic
semiconductor-metal devices and evaluate the interface barriers, Sandeep Kumar and S.
Sundar Kumar Iyer, Organic Electronics, Volume 65, February 2019, pp. 215-221
Some Recently Filed
Patents
o Indian Patent
Application No. 202411089658 Filed: 16-12-2024 Optimized organic
electronic device with aluminium-silver electrode, Inverts: Pranab Deb and S.
Sundar Kumar Iyer [Ensure devices built on metal electrodes have improved yield
and performance.]
o Indian Patent
No. 533177 Filed:14/05/2019 Application No. 201911019219 Granted on 16/04/2024,
Electron transport layer based on doped ZnO layer and method thereof, Inventors:
Dhirendra Kumar Chaudhary and S. Sundar Kumar Iyer. [A method to improve hole
transport layer PEDOT:PSS by doping it with PCBM leading to improved device
performance.]
o Indian Patent
Application No. 201911012276 Dated: 28-03-2019 Mechanical Scriber to
Isolate Solar Cells During Monolithic Fabrication of Organic Solar Cell Modules
on Substrates, Inventors: Eswaran Jayaraman and S Sundar Kumar Iyer
o Indian Patent
No. 542667 Filed: 15/12/2018 (provisional) 26-03-2019 (final) (28), Indian
Patent Application No. 201811047532, Granted on 24/06/2024 A
method of manufacturing an organic semiconductor film having improved
conductivity, Inventors: Anirban Bagui and S. Sundar Kumar Iyer [A method of
increasing the conductivity of an organic semiconductor layer by taking it to
low temperatures and applying electric field, before bringing it back to room
temperatures.]
o Indian Patent
No. 446028 Filed: 05/02/2019 Application No. 201911004465 Granted on 21/08/2023
A method for coating on lignocellulosic fibrous material substrate to
facilitate building electronics, Inventors: Madhu Rawat, Eswaran
Jayaraman and S. Sundar Kumar Iyer,. [A method of smoothening paper substrates
so that electronic devices, including solar cells, can be built on them
reliably.]
Education
o
Ph.D. -- University of California at Berkeley, 1998
o
M.S. -- Indian Institute of Technology Madras, 1993
o
B.Tech -- Indian Institute of Technology Madras, 1990
o
Higher Secondary Class XII Council
Exams -- St. Lawrence High
School, Calcutta, 1986
o
Secondary Class X Board Exams -- St. Lawrence High School, Calcutta,
1984
Industry
Experience
o
Staff Engineer and later Advisor
Engineer at IBM Microelectronics, Hopewell Junction New York (1998 to 2004)
o
Summer internship at Texas
Instruments, Dallas (Summers of 1993 and 1995)
Teaching Experience
o
Faculty member at IIT Kanpur from July
2004 till date
o
Visiting faculty member at IIT Kanpur
from July to December, 2003
Some other interests:
Asha for Education - an action group that
attempts to bring socio-economic change in India through education