“ON–OFF” switching of europium complex luminescence coupled with a ligand redox process

Masafumi Yano; Keisuke Matsuhira; Masakazu Tatsumi; Yukiyasu Kashiwagi; Masami Nakamoto; Munetaka Oyama; Kei Ohkubo; Shunich Fukuzumi; Hitomi Misaki; Hiroshi Tsukube

doi:10.1039/C2CC31078C

“ON–OFF” switching of europium complex luminescence coupled with a ligand redox process†

Masafumi Yano,*^a Keisuke Matsuhira,^a Masakazu Tatsumi,^a Yukiyasu Kashiwagi,^b Masami Nakamoto,^b Munetaka Oyama,^c Kei Ohkubo,^d Shunich Fukuzumi,^de Hitomi Misaki^f and Hiroshi Tsukube^f

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^a Faculty of Chemistry, Material and Bioengineering, Kansai University, 3-3-35 Yamate-cho, Suita, Japan
E-mail: myano@kansai-u.ac.jp
Fax: +81-6-6330-3770
Tel: +81-6-6368-0751

^b Osaka Municipal Technical Research Institute, 1-6-50 Morinomiya, Joto-ku, Osaka, Japan

^c Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, Japan

^d Department of Material and Life Science Graduate School of Engineering, Osaka University and ALCA (JST), 2-1 Yamada-oka, Suita, Osaka, Japan

^e Department of Bioinspired Science, Ewha Womans University, Seoul, Korea

^f Department of Chemistry, Graduate School of Science and CREST(JST), Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka, Japan

Abstract

A triarylamine-functionalized terpyridine ligand formed a highly coordinated complex with europium tris(β-diketonate), which displayed reversible ‘‘ON–OFF’’ luminescence switching coupled with a ligand redox process of triarylamine/triarylaminium cations.

Chemical Communications

“ON–OFF” switching of europium complex luminescence coupled with a ligand redox process†

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“ON–OFF” switching of europium complex luminescence coupled with a ligand redox process

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