期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 29, 页码 10179-10186出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201601281
关键词
aggregation; density functional calculations; electrochemistry; radical ions; squaraines
资金
- European Commission
- European Social Fund
- Regione Calabria in the framework of ARUE project
Thienosquaraines are an interesting class of electroactive dyes that are useful for applications in organic electronics. Herein, the redox chemistry and electrochromic response of a few newly synthesized thienosquaraines are presented. These properties are compared to those of the commercial 2,4bisP1-(N,N-diisobutylamino)-2,6-dihydroxyphe-nyllsquaraine. The stability of the radical ions formed in electrochemical processes strongly affects these properties, as shown by cyclic voltammetry, in situ spectroelectrochemistry, and quantum chemical calculations. Furthermore, all of the dyes show aggregation tendency resulting in panchromatic absorption covering the whole UV/Vis spectral range.
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