Metal-Organic Framework Thin Films Composed of Free-Standing Acicular Nanorods Exhibiting Reversible Electrochromism

被引：244

作者：

Kung, Chung-Wei ^{[1
]}

Wang, Timothy Chiaan ^{[1
]}

Mondloch, Joseph E. ^{[1
]}

Fairen-Jimenez, David ^{[2
]}

Gardner, Daniel M. ^{[1
]}

Bury, Wojciech ^{[1
,3
]}

Klingsporn, Jordan Matthew ^{[1
]}

Barnes, Jonathan C. ^{[1
]}

Van Duyne, Richard ^{[1
]}

Stoddart, J. Fraser ^{[1
]}

Wasielewski, Michael R. ^{[1
]}

Farha, Omar K. ^{[1
]}

Hupp, Joseph T. ^{[1
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[2] Univ Cambridge, Dept Chem Engn & Biotechnol, Cambridge CB2 3RA, England

[3] Warsaw Univ Technol, Dept Chem, PL-00664 Warsaw, Poland

来源：

CHEMISTRY OF MATERIALS | 2013年 / 25卷 / 24期

关键词：

electrochromism; metal-organic frameworks; one-dimensional nanorods; pyrene; PYRENE; DEPOSITION; ALUMINA; SOLIDS; ARRAYS; CATION;

D O I：

10.1021/cm403726v

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A uniform and crack-free metal-organic framework (MOF) thin film composed of free-standing acicular nanorods was grown on a transparent conducting glass substrate. The MOF thin film exhibits electrochromic switching between yellow and deep blue by means of a one-electron redox reaction at its pyrene-based linkers. The rigid MOF stabilizes the radical cations of the pyrene linkers at positive applied potential, resulting in the reversible color change of the MOF film. The regular and uniform channels of the MOF allow ions to migrate through the entire film. The MOF thin film thus exhibits a remarkable color change and rapid switching rate.

引用

页码：5012 / 5017

页数：6

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