Nonaqueous electrolytes for reversible zinc electrodeposition for dynamic windows with excellent optical contrast and durability
- Authors
- Bhoumik, Nikhil C.; Madu, Desmond C.; Moon, Cheon Woo; Arvisu, Lorenzo S.; Mcgehee, Michael D.; Barile, Christopher J.
- Issue Date
- Apr-2024
- Publisher
- CELL PRESS
- Citation
- JOULE, v.8, no.4
- Journal Title
- JOULE
- Volume
- 8
- Number
- 4
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/26426
- DOI
- 10.1016/j.joule.2024.01.023
- ISSN
- 2542-4351
- Abstract
- In this study, we design high-performing dynamic windows based on the reversible electrodeposition of Zn from nonaqueous electrolytes containing dimethyl sulfoxide (DMSO). We develop Zn-DMSO electrolytes that support electrochemically and optically reversible Zn electrodeposition with high optical contrast (similar to 75% clear-state transmission and <0.1% dark-state transmission). The optoelectronic reversibility of the Zn electrodeposition enables devices to cycle thousands of times without degradation in optical contrast. The electrolytes facilitate the formation of a compact Zn electrodeposit morphology that blocks light efficiently, which reduces the current needed and thereby aids in device scale-up due to a minimal voltage drop across the transparent conducting electrode. Devices with a transparent Zn mesh as the counter electrode switch uniformly at the 100-cm(2) scale. Lastly, the noncorrosive nature of the Zn electrolytes results in the formation of devices that possess long-term shelf lives and dark-state stability in the absence of applied power.
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Collections - College of Engineering > Department of Display Materials Engineering > 1. Journal Articles
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