Issue 9, 2016

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

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

Supplementary files

Article information

Article type
Edge Article
Submitted
12 Apr 2016
Accepted
23 May 2016
First published
02 Jun 2016
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2016,7, 5867-5871

Author version available

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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