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Issue 9, 2016
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Emission color tuning and white-light generation based on photochromic control of energy transfer reactions in polymer micelles

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Abstract

We encapsulate a fluorescent donor molecule and a photochromic acceptor unit (photoswitch) in polymer micelles and show that the color of the emitted fluorescence is continuously changed from blue to yellow upon light-induced isomerization of the acceptor. Interestingly, white-light generation is achieved in between. With the photoswitch in the colorless form, intense blue emission from the donor is observed, while UV-induced isomerization to the colored form induces an energy transfer reaction that quenches the donor emission and sensitizes the yellow emission from the colored photoswitch. The process is reversed by exposure to visible light, triggering isomerization to the colorless form.

Graphical abstract: Emission color tuning and white-light generation based on photochromic control of energy transfer reactions in polymer micelles

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Publication details

The article was received on 12 Apr 2016, accepted on 23 May 2016 and first published on 02 Jun 2016


Article type: Edge Article
DOI: 10.1039/C6SC01623E
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Citation: Chem. Sci., 2016,7, 5867-5871
  • Open access: Creative Commons BY-NC license
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    Emission color tuning and white-light generation based on photochromic control of energy transfer reactions in polymer micelles

    M. Bälter, S. Li, M. Morimoto, S. Tang, J. Hernando, G. Guirado, M. Irie, F. M. Raymo and J. Andréasson, Chem. Sci., 2016, 7, 5867
    DOI: 10.1039/C6SC01623E

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