Issue 40, 2019
From the journal:

Dalton Transactions

Multi-color electrochromism from coordination nanosheets based on a terpyridine-Fe(ii) complex†

Yu Kuai,a   Weijun Li, ORCID logo a   Yujie Dong,*a   Wai-Yeung Wong, ORCID logo *b   Shuanma Yan,a   Yuyu Daia  and  Cheng Zhang ORCID logo *a  

* Corresponding authors

a State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
E-mail: dongyujie@zjut.edu.cn, czhang@zjut.edu.cn

b Department of Applied Biology & Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
E-mail: wai-yeung.wong@polyu.edu.hk

Abstract

A metal complex nanosheet was synthesized by the liquid–liquid interface self-assembly method from a star-shaped ligand of tris[4-(4′-2,2′:6′,2′′-terpyridyl)-phenyl]amine in organic solvents and metal ion Fe(II) in water solution. The as-prepared nanosheet possessed excessively smooth morphology with a thickness of hundreds of nanometers. Adhering to an ITO glass, the nanosheet showed noticeable electrochromism from purplish red at 0 V to orange-yellow at 1.4 V and green at 1.6 V. Besides, the nanosheet exhibited outstanding stability with the optical contrast maintained at almost 100% of its original electrochemical activity over 500 cycles. The liquid–liquid interface self-assembly method was proven to be promising to prepare a polymeric metal complex for potential electrochromic applications.

Graphical abstract: Multi-color electrochromism from coordination nanosheets based on a terpyridine-Fe(ii) complex

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Article information

DOI
https://doi.org/10.1039/C9DT02980J
Article type
Paper
Submitted
20 Jul 2019
Accepted
16 Sep 2019
First published
19 Sep 2019

Dalton Trans., 2019,48, 15121-15126

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Multi-color electrochromism from coordination nanosheets based on a terpyridine-Fe(II) complex

Y. Kuai, W. Li, Y. Dong, W. Wong, S. Yan, Y. Dai and C. Zhang, Dalton Trans., 2019, 48, 15121 DOI: 10.1039/C9DT02980J

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