Near-IR Electrochromism in Electropolymerized Films of a Biscyclometalated Ruthenium Complex Bridged by 1,2,4,5-Tetra(2-pyridyl)benzene

被引：147

作者：

Yao, Chang-Jiang ^{[1
]}

Zhong, Yu-Wu ^{[1
]}

Nie, Hai-Jing ^{[1
]}

Abruna, Hector D. ^{[2
]}

Yao, Jiannian ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Photochem, Inst Chem, Beijing 100190, Peoples R China

[2] Cornell Univ, Baker Lab, Dept Chem & Chem Biol, Ithaca, NY 14853 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2011年 / 133卷 / 51期

基金：

中国国家自然科学基金;

关键词：

VINYLBIPYRIDINE COMPLEXES; ORGANOMETALLIC COMPLEXES; CHARGE-TRANSPORT; POLYMERS; LIGAND; DEVICES; ELECTRODES; CENTERS; ELECTROCHEMISTRY; VINYLPYRIDINE;

D O I：

10.1021/ja209620p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Reductive electropolymerization of the biscyclometalated ruthenium complex [(vtpy)Ru(tpb)Ru-(vtpy)](2+) [vtpy = 4'-vinyl-2,2':6',2 ''-terpyridine; tpb = 1,2,4,5-tetra(2-pyridyl)benzene] proceeded smoothly on electrode surfaces. Thanks to the strong electron coupling between the ruthenium centers of the individual monomeric units and strong intervalence charge-transfer absorption in the mixed valence state, the produced adherent metallopolymeric films exhibited near-IR electrochromism with tricolor switching, good contrast ratio (40% at 1165 nm), short response time, low-switching voltage, and long memory time.

引用

页码：20720 / 20723

页数：4

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