Synthesis of conjugated polymers containing gallium atoms and evaluation of conjugation through four-coordinate gallium atoms

Takuya Matsumoto; Yoshinobu Onishi; Kazuo Tanaka; Hiroyuki Fueno; Kazuyoshi Tanaka; Yoshiki Chujo

doi:10.1039/C4CC07865A

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Synthesis of conjugated polymers containing gallium atoms and evaluation of conjugation through four-coordinate gallium atoms†

Takuya Matsumoto,^a Yoshinobu Onishi,^a Kazuo Tanaka,*^a Hiroyuki Fueno,^b Kazuyoshi Tanaka^b and Yoshiki Chujo*^a

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* Corresponding authors

^a Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
E-mail: chujo@chujo.synchem.kyoto-u.ac.jp

^b Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan

Abstract

The synthesis and analysis of the electronic states of the main-chain type-organogallium polymers are presented. We synthesized the polymers containing four-coordinate gallium atoms by organometal coupling reactions. The synthesized polymers showed good solubility in common organic solvents and enough stability for measuring a series of properties under ambient conditions. In the UV-vis absorption spectra, the electronic interaction through four-coordinate gallium atoms was suggested from the peak shifts of the polymer compared to the model compounds. Theoretical calculation of these molecules supports the extended electronic interaction through the polymer main-chain involving gallium atoms.

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DOI: https://doi.org/10.1039/C4CC07865A
Article type: Communication
Submitted: 06 Oct 2014
Accepted: 27 Oct 2014
First published: 04 Nov 2014

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Chem. Commun., 2014,50, 15740-15743

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Synthesis of conjugated polymers containing gallium atoms and evaluation of conjugation through four-coordinate gallium atoms

T. Matsumoto, Y. Onishi, K. Tanaka, H. Fueno, K. Tanaka and Y. Chujo, Chem. Commun., 2014, 50, 15740 DOI: 10.1039/C4CC07865A

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Chemical Communications

Synthesis of conjugated polymers containing gallium atoms and evaluation of conjugation through four-coordinate gallium atoms†

Abstract

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Synthesis of conjugated polymers containing gallium atoms and evaluation of conjugation through four-coordinate gallium atoms

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