Richard Friend holds the Cavendish Professorship of Physics at the University of Cambridge. His research encompasses the physics, materials science and engineering of semiconductor devices made with carbon-based semiconductors, particularly polymers. His research advances have shown that carbon-based semiconductors have significant applications in LEDs, solar cells, lasers, and electronics. His current research interests are directed to novel schemes – including ideas inspired by recent insights into Nature’s light harvesting – that seek to improve the performance and cost of solar cells.

Prashant V. Kamat is a Professor of Chemistry & Biochemistry, Senior Scientist at Radiation Laboratory, and Concurrent Professor of Department of Chemical and Biomolecular Engineering, University of Notre Dame. He earned his doctoral degree (1979) in Physical Chemistry from the Bombay University, and postdoctoral research at Boston University (1979-1981) and University of Texas at Austin (1981-1983). He joined Notre Dame in 1983 and initiated the project on utilizing semiconductor nanostructures for light energy conversion. His major research interests are in three areas : (1) catalytic reactions using semiconductor and metal nanoparticles, nanostructures and nanocomposites, (2) develop advanced materials such as inorganic-organic hybrid assemblies for energy conversion, and (3) environmental remediation using advanced oxidation processes and chemical sensors. He is currently serving as a Deputy Editor of Journal of Physical Chemistry Letters and A/B/C and a member of the advisory board of scientific journals, Langmuir, Research on Chemical Intermediates, Electrochemistry and Solid State Letters, and Interface. He has written more than 400 peer-reviewed journal papers, review articles and book chapters with more than 40000 citations and carries an h-index of 109. He has edited two books in the area of nanoscale materials. He was a fellow of Japan Society for Promotion of Science during 1997 and 2003 and was awarded Honda-Fujishima Lectureship award by the Japanese Photochemical Society in 2006 and Langmuir Lectureship Award in 2012. He is a Fellow of the Electrochemical Society, American Chemical Society and AAAS.

Henry Snaith undertook his PhD at the University of Cambridge, working on organic photovoltaics, then spent two years at the EPFL as a post-doc working on dye-sensitized solar cells. Since 2007 he has held a professorship at the University of Oxford Clarendon Laboratory where his group researches organic, hybrid and perovskite optoelectronic devices. Professor Snaith was elected as a Fellow of the Royal Society in 2015, he is a 2017 Clarivate Citation Laureate, and among his awards are the 2017 Royal Society James Joule Medal and Prize. In 2010 he founded Oxford Photovoltaics Ltd. which is commercializing the perovskite solar technology transferred from his laboratory.

Dr. Bag is currently an assistant professor of Department of Physics and an adjunct faculty of Centre of Nanotechnology at Indian Institute of Technology Roorkee, India. He got his Bachelor degree in Electrical Engineering from Jadavpur University and Master degree in Physics from University of Pune in 2003 and 2006 respectively. After completing PhD from Jawaharlal Nehru Centre for Advanced Scientific Research, India in the field of Material Science in 2011 he did few years of postdoctoral work at University of Massachusetts Amherst, USA and at Lund University, Sweden before joining to IIT Roorkee in 2016.

Dr. Bag has worked on multi-disciplinary projects during PhD and postdoctoral works with multiple research groups. His expertise varies from device fabrication to various characterization including theoretical modelling and simulations. He has been working in the field of organic electronics for last fourteen years and hybrid perovskite-based materials for energy harvesting for last six years. His current research laboratory known as Advanced Research in Electrochemical Impedance Spectroscopy (AREIS) at IIT Roorkee is focusing on the impedance spectroscopy measurement of various kinds of optoelectronic materials along with the fabrication and optimization of large area thin film based solar cells and LEDs.

Sayan Bhattacharyya is Professor of the Department of Chemical Sciences, IISER Kolkata since September 2019. He joined the Institute as Assistant Professor in April 2010 after obtaining his Ph.D. at the Indian Institute of Technology, Kanpur, India in 2006 and postdoctoral research at Bar-Ilan University, Israel (2006-2008, advisor: Prof. Em. Aharon Gedanken) & Drexel University, USA (2008-2010, advisor: Prof. Yury Gogotsi). He was visiting Professor at University of Goettingen, Germany in 2011 and the founder chair of the Centre for Advanced Functional Materials at IISER Kolkata, 2016-2020. Prof. Bhattacharyya is a Solid State and Physical Chemist devoted to the advancements in energy conversion and storage. His current interests are electrocatalysis, photovoltaics and opto-electronics. A combination of wet-chemical synthesis and self-assembly of smart nanomaterials, structure-property correlation and device applications are used to attain these research goals. He is elected as the Life Fellow of the Indian Chemical Society since 2020. In 2017, Dr. Bhattacharyya has been highlighted as one of the Emerging Investigators by the Journal of Materials Chemistry A, Royal Society of Chemistry. He has received several unsolicited media coverage on his scientific research work. He is member of the American Chemical Society, American Nano Society, Chemical Research Society of India, Association for Iron & Steel Technology, and American Ceramic Society, USA.

Dr. Sudip Chakraborty is leading Materials Theory for Energy Scavenging (MATES Lab) group in India’s premier theoretical research Institute Harish-Chandra Research Institute (HRI) Allahabad (Prayagraj), Department of Atomic Energy, Govt. of India. After completing his Ph.D. in collaboration between Bhabha Atomic Research Centre (BARC) and University of Pune, India, he moved to Max Planck Institute, Düsseldorf, Germany in March, 2011 as a Max Planck Postdoctoral Fellow. In February, 2013, he joined Materials Theory Division, Uppsala University, Sweden as a Førskare (Senior Researcher). Since March, 2019, he started leading his group firstly in Department of Physics of IIT Indore and later on in HRI from May, 2021 onwards. He has been awarded the Rising Stars by ACS Materials Au 2021, among 300+ nominations worldwide, while he is the sole recipient from India. He is in the Editorial Board of Journal of Physical Chemistry A/B/C (ACS), Energy Advances (RSC), Electronic Structure (IOP), Chemistry of Inorganic Materials (Elsevier) and Graphene & 2D Materials (Springer). His works are appeared in Nature Materials, PNAS, Materials Today, ACS Energy Letters, JACS, ACS Nano, ACS Catalysis, AngewChemie, Advanced Materials, Advanced Functional Materials, Chem.Mat. etc. He has 174 International publications with total 6500 citations and 45 h-index (https://scholar.google.com/citations?hl=en&user=ybAcs3kAAAAJ&view_op=list_works&sortby=pubdate)

Prof. Boomi Shankar obtained his B.Sc. (1996) and M.Sc. (1998) in Chemistry from Madura College affiliated to Madurai Kamaraj University, Madurai, India. He then obtained his Ph.D. from the Indian Institute of Technology, Kanpur, India in 2004 under the supervision of Prof. V. Chandrasekhar. Soon after obtaining his Ph.D. degree in January 2004, he took a short-term postdoctoral position at the University of Illinois at Urban-Champaign, USA. He then worked at the University of Liverpool as a Senior Research Associate for about three years between November 2004 and December 2007. In April 2008 he joined as an Assistant Professor at IIT, Guwahati and later moved to IISER Pune in December 2010. He became an Associate Professor in December 2014 and serving as a Full Professor since December 2019. The research focus of his group falls in the broad interface of inorganic and materials chemistry with emphasis to synthesis, structure, physical properties and energy applications. Particularly, they are interested in the reticular design of organic, hybrid organic-inorganic and metal-organic ferroelectric materials and their utility in energy harvesting applications in the domain of mechanical generators.