Engineering and Technology

Automatic light-adjusting electrochromic device powered by perovskite solar cell

H. Ling, J. Wu, et al.

Discover groundbreaking research by Huan Ling, Jianchang Wu, Fengyu Su, Yanqing Tian, and Yan Jun Liu, showcasing innovative gel electrochromic devices powered by perovskite solar cells, designed for automatic light adjustment. With impressive stability and efficiency, these smart windows promise to revolutionize energy absorption in real time.

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Index

Abstract

This paper presents novel perovskite solar cell-powered all-in-one gel electrochromic devices for automatic light adjustment. Two alkynyl-containing viologen derivatives are synthesized as electrochromic materials. The devices, exhibiting high stability (up to 70,000 cycles), serve as energy storage and smart windows, while the perovskite solar cell (up to 18.3% power conversion efficiency) acts as a light detector and power harvester. The combined device automatically switches between bleached and colored states to adjust light absorption in real-time, showing potential for intelligent windows.

Publisher

Nature Communications

Published On

Feb 12, 2021

Authors

Huan Ling, Jianchang Wu, Fengyu Su, Yanqing Tian, Yan Jun Liu