Journal
CURRENT OPINION IN ELECTROCHEMISTRY
Volume 36, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.coelec.2022.101160
Keywords
Critical gaps in materials photoelectrochemistry; Semiconductor physics attributes to design and develop coupled electronicelectrochemical devices
Funding
- Department of Science and Technology, Government of India
- Indian Space Research Organization
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This article highlights the importance and challenges of producing H-2 from solar energy and water, emphasizing the coupled nature of physicochemical events and the critical need for interface stability in semiconductor photoelectrochemistry research.
Large-scale production of H-2 from renewable energy (solar) and renewable feed (water) is an important aspirational goal of the scientific enterprise. Implementation of solar-H-2 via a device that integrates electrocatalysis and light absorption has been a rich source of physical electrochemistry but has not resulted in technology despite five decades of exploration. Semiconductor photoelectrochemistry is not only at the ma-terial interface of semiconductors and electrolyte, but is also at the interface of scientific practices of different communities. This review aims to provide a succinct overview of concepts emphasizing the coupled nature of physicochemical events, the critical need for stability at the interface and most chal-lenging issue of directing electrons and holes to the surface via internal electric field. Finally, pointers to bring together the productive practices of the semiconductor and electrochemical community are provided.
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