Electrochemistry in Perovskite Solar Cells and Smart Windows
Mike McGehee a
a Colorado University, United States
International Conference on Hybrid and Organic Photovoltaics
Proceedings of 13th Conference on Hybrid and Organic Photovoltaics (HOPV21)
Online, Spain, 2021 May 24th - 28th
Organizers: Marina Freitag, Feng Gao and Sam Stranks
Keynote, Mike McGehee, presentation 033
Publication date: 11th May 2021

I will describe electrochemical reactions that occur rapidly when perovskite solar cells are operated in reverse bias, which happens when one solar cell in a panel is shaded and must be current matched to illuminated cells.  Potential solutions for preventing long-term degradation will be presented.

 

I will also present dynamic windows based on reversible metal electrodeposition.  These windows have a wider dynamic range and more neutral color than the industry leading tungsten oxide electrochromic windows.  They have potential to be sufficiently inexpensive to make dynamic windows ubiquitous.  There are many similarities between this device and dye sensitized solar cells.

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