Three-way-output response system by electric potential: UV-vis, CD, and fluorescence spectral changes upon electrolysis of the chiral ester of tetracyanoanthraquinodimethane |
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| Authors: | Hiroki Higuchi Hidetoshi Kawai Masakazu Ohkita Takanori Suzuki |
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| Institution: | a Division of Chemistry, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan
b Department of Applied Chemistry, Faculty of Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan |
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| Abstract: | The newly prepared tetracyanoanthraquinodimethane (TCNAQ) derivatives 1a,b with a chiral auxiliary are good electron acceptors and exhibit weak circular dichroism (CD) based on the absorption of TCNAQ. The twin-type electron acceptor 1c with two TCNAQ units shows larger ellipticity by exciton coupling. UV-vis, CD, and fluorescence spectra were changed drastically upon electrochemical reduction of 1c, which demonstrates the unprecedented three-way-output response system. |
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| Keywords: | Redox system Multi-output response system Electrochromism Circular dichromism Fluorescence Electron acceptor |
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