Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Acid–Base Responsive Photoelectric Conversion of a Hydroxyazobenzene-appended Bipyridine–Copper Complex System
Satoshi UmekiShoko KumeHiroshi Nishihara
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2010 Volume 39 Issue 3 Pages 204-205

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Abstract

We report the synthesis of a new 4-hydroxyazobenzene-appended bipyridine complex of copper, [Cu(oAB-2OH)2]BF4, which exhibits a reversible acid–base responsive redox-active photoisomerization reaction. The acid–base modulation of the photoisomerization reaction permits ON/OFF toggling of the photoelectric conversion in devices containing this complex by the addition of small quantities of acid or base in the presence of 4,4′-bis(ethoxycarbonyl)-2,2′-bipyridine, bpy-2COOEt.

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© 2010 The Chemical Society of Japan
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