Metal-center electron affinity modulates multicolor electrochromism in 2D conjugated metal-organic frameworks
Qi Zhao, Jing Yang, Zhendong Liu, Xiaohan Chen, Jinkai Wang, Yulin Gao, Xue Chen, Xingyang Wang, Wanwan Wang, Fei Wang, Chengzhi Zhang, Yanfeng Gao, Yong-Wei Zhang, Dan Zhao, John Wang · 2026
Read Metal-center electron affinity modulates multicolor electrochromism in 2D conjugated metal-organic frameworks by Qi Zhao, Jing Yang, Zhendong Liu, Xiaohan Chen, Jinkai Wang, Yulin Gao, Xue Chen, Xingyang Wang, Wanwan Wang, Fei Wang, Chengzhi Zhang, Yanfeng Gao, Yong-Wei Zhang, Dan Zhao, John Wang (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13454133.txt.
Description
Qi Zhao and fourteen co-authors show that the metal at a framework's heart sets how well it changes color under voltage. These two dimensional metal organic frameworks suit smart windows and displays, yet past work blamed color change on the organic parts alone. Their 2026 study screens metal catecholate systems with machine learning and lands on zinc, nickel, and copper versions.
All three shift from green to blue to purple, but zinc and nickel switch in about 5 seconds against copper's 14.4. Their cycle life also runs two orders of magnitude longer. Copper's electron hungry setup, the authors show, demands extra electrons and strains the structure, which slows and degrades it. Test pieces in camouflage, display, and wearable forms back the design rule: pick a calm metal center for speed and life.
Catalog record
| CREATOR | Qi Zhao, Jing Yang, Zhendong Liu, Xiaohan Chen, Jinkai Wang, Yulin Gao, Xue Chen, Xingyang Wang, Wanwan Wang, Fei Wang, Chengzhi Zhang, Yanfeng Gao, Yong-Wei Zhang, Dan Zhao, John Wang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 44673 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |