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Communication

Photoelectrocatalysis to Improve Cycloreversion Quantum Yields of Photochromic Dithienylethene Compounds†

  1. Sumin Lee1,
  2. Dr. Youngmin You1,3,*,
  3. Dr. Kei Ohkubo2,
  4. Prof. Shunichi Fukuzumi2,*,
  5. Prof. Wonwoo Nam1,*

Article first published online: 13 NOV 2012

DOI: 10.1002/anie.201206256

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 51, Issue 52, pages 13154–13158, December 21, 2012

Additional Information

How to Cite

Lee, S., You, Y., Ohkubo, K., Fukuzumi, S. and Nam, W. (2012), Photoelectrocatalysis to Improve Cycloreversion Quantum Yields of Photochromic Dithienylethene Compounds . Angew. Chem. Int. Ed., 51: 13154–13158. doi: 10.1002/anie.201206256

Author Information

  1. 1

    Department of Bioinspired Science, Ewha Womans University, Seoul 120-750 (Korea) http://cbs.ewha.ac.kr

  2. 2

    Department of Material and Life Science, Graduate School of Engineering, Osaka University, ALCA, Japan Science and Technology Agency (JST), Suita, Osaka 565-0871 (Japan)

  3. 3

    Current address: Korea Institute of Science and Technology (Korea)

*Department of Bioinspired Science, Ewha Womans University, Seoul 120-750 (Korea) http://cbs.ewha.ac.kr

  1. †

    This work was supported by GRL (2010-00353) and WCU program (R31-2008-000-10010-0) (W.N.) from the NRF, Korea, Grants-in-Aid (nos 20108010 and 23750014) (S.F. and K.O.) of the Global COE program from the JSPS (Japan), and RP-Grant 2010 (Y.Y.) of Ewha Womans University.

Publication History

  1. Issue published online: 18 DEC 2012
  2. Article first published online: 13 NOV 2012
  3. Manuscript Received: 4 AUG 2012

Funded by

  • GRL. Grant Number: 2010-00353
  • WCU program. Grant Number: R31-2008-000-10010-0
  • NRF, Korea. Grant Numbers: 20108010, 23750014
  • JSPS
  • Ewha Womans University

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Keywords:

  • electron transfer;
  • photochemistry;
  • photochromism
Thumbnail image of graphical abstract

An open and shut case: Photoirradiation of the 9-mesityl-10-methylacridinium ion, which acts as a photoredox catalyst, evoked catalytic cycloreversion of the photochromic 1,2-dithienylethene (DTE) compounds with one order of magnitude enhancement in quantum yields. Mechanistic studies revealed that the back electron transfer and electron transfer from the neutral closed form of DTE compounds to the open-form radical cation are key steps.

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