Electroless galvanic inks on inorganic WO3/Al boards

Masahiro Miyauchi; Yue Li; Shunsuke Yanai; Kazuya Yotsugi

doi:10.1039/C1CC12993G

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Electroless galvanic inks on inorganic WO₃/Al boards†

Masahiro Miyauchi,*^a Yue Li,^b Shunsuke Yanai^c and Kazuya Yotsugi^c

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* Corresponding authors

^a Department of Metallurgy and Ceramics Science, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan
E-mail: mmiyauchi@ceram.titech.ac.jp
Fax: +81 3 5734 3368
Tel: +81 3 5734 2527

^b Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, Anhui, China

^c Sekisuijushi Technical Research Corporation, 731-1, Kagami, Ryuuo, Gamou, Shiga 520-2596, Japan

Abstract

A tungsten trioxide (WO₃) coated aluminium (Al) substrate exhibits a reversible color change without light irradiation or an electric power supply. The sample turns blue upon exposure to an aqueous acid solution, but exposure to oxygen restores the original light yellow color. This color change is due to the galvanic redox reaction between WO₃ and Al.

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Article information

DOI: https://doi.org/10.1039/C1CC12993G
Article type: Communication
Submitted: 22 May 2011
Accepted: 16 Jun 2011
First published: 28 Jun 2011

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Chem. Commun., 2011,47, 8596-8598

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Electroless galvanic inks on inorganic WO₃/Al boards

M. Miyauchi, Y. Li, S. Yanai and K. Yotsugi, Chem. Commun., 2011, 47, 8596 DOI: 10.1039/C1CC12993G

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