Preparation, properties, and X-ray structures of bis(10-methyl-9- methyleneacridan)-type electron donors with a thiophene, bithiophene, or terthiophene skeleton: Redox switching of thiophenethienoquinoid structure accompanied by UVvisNIR electrochromic response

Takanori Suzuki, Yuuki Hoshiyama, Kazuhisa Wada, Yusuke Ishigaki, Youhei Miura, Hidetoshi Kawai, Ryo Katoono, Kenshu Fujiwara, Takanori Fukushima

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Abstract

The newly designed title dyes 13 have a thiophene-type -skeleton, to which two methyleneacridan subunits are attached as electron-donating end groups. They undergo reversible one-wave 2e-oxidation to the corresponding dications containing a thienoquinoid moiety. The redox and spectral properties can be modified by changing the -skeleton, and bithiophene 2 and terthiophene 3 can serve as new entries of UVvisNIR electrochromic materials.

Original languageEnglish
Pages (from-to)1004-1006
Number of pages3
JournalChemistry Letters
Volume42
Issue number9
DOIs
Publication statusPublished - 2013 Sep 16

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ASJC Scopus subject areas

  • Chemistry(all)

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