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Issue 40, 2019
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Multi-color electrochromism from coordination nanosheets based on a terpyridine-Fe(ii) complex

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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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Publication details

The article was received on 20 Jul 2019, accepted on 16 Sep 2019 and first published on 19 Sep 2019


Article type: Paper
DOI: 10.1039/C9DT02980J
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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