3 years ago

Recycling by-products in new small molecular electrochromic materials with ultra bistability

Yue Jiang, Zhike Xian, Yuying Meng, Guofu Zhou, Clément Cabanetos, Jean Roncali, Jun-ming Liu, Jinwei Gao

Publication date: March 2019

Source: Dyes and Pigments, Volume 162

Author(s): Yue Jiang, Zhike Xian, Yuying Meng, Guofu Zhou, Clément Cabanetos, Jean Roncali, Jun-ming Liu, Jinwei Gao

Abstract

The potential of three arylamine based molecules for electrochromic applications is investigated herein. The latter, by-product of a Buchwald-Hartwig reaction were fully characterized, instead of being thrown away, due to their structural analogy with well-known electrochromic analogues. It turns out that impressive and stable color changes were recorded when embedded in electrochromic devices. Finally, a flexible patterned electrochromic demonstrator was also fabricated, preliminary steps toward a potential and more environmental friendly signposting mass application.

Graphical abstract

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