Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 14, Pages 4330-4333Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201411568
Keywords
fluorescence switching; Forster resonance energy transfer
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Funding
- National Research Foundation of Korea (NRF) - Korean government (MSIP) [2009-0081571]
- Spanish Ministerio de Economia y Competitividad (MINECO) [CTQ2011-27317]
- National Research Foundation of Korea [2009-0081571] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Highly efficient red-green-blue (RGB) tricolor luminescence switching was demonstrated in a bicomponent solid film consisting of (2Z, 2' Z)-2,2'-(1,4-phenylene)bis(3-(4-butoxyphenyl) acrylonitrile) (DBDCS) and (2Z, 2' Z)-3,3'-(2,5-bis(6-(9H-carbazol-9-yl)hexyloxy)-1,4-phenylene)bis(2-(3,5-bis(trifluoromethyl) phenyl) acrylonitrile) (m-BHCDCS). Reversible RGB luminescence switching with a high ratiometric color contrast (lambda(em)= 594, 527, 458 nm for red, green, and blue, respectively) was realized by different external stimuli such as heat, solvent vapor exposure, and mechanical force. It was shown that Forster resonance energy transfer in the bicomponent mixture could be efficiently switched on and off through supramolecular control.
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