Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Electrochemiluminescence Devices Consisting of ZnO Nanorods Vertically Grown on Substrate
Tomohito TanakaHiroshi TakishitaTakashi SagawaSusumu YoshikawaShuzi Hayase
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2009 Volume 38 Issue 7 Pages 742-743

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Abstract

Unique behaviors of electrochemiluminescence from a device consisting of ZnO nanorod (Cell-1) are reported. Cell-1 emitted more intense electrochemiluminescence than cell consisting of two flat electrodes (Cell-2). The onset potential at which the emission starts was 1.5 V for Cell-1, which was lower than 2.5 V for Cell-2. The unique behaviors were explained by asymmetric collision modes of emitting species (RuI and RuIII) in the nanospace among ZnO nanorods and were characteristic to the ZnO nanorod array.

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© 2009 The Chemical Society of Japan
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