Mechanically Induced Multicolor Switching Based on a Single Organic Molecule

Mechanically Induced Multicolor Switching Based on a Single Organic Molecule

Asserting its independence: A single organic molecule containing pyrene and rhodamine B chromophores separated by a peptide spacer (see structure) formed a mechanochromic material whose fluorescence could be switched from blue to bluish‐green and reddish by grinding. Modulation of the overlapped pac...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-11, Vol.52 (47), p.12268-12272
Hauptverfasser: Ma, Zhiyong, Teng, Mingjun, Wang, Zhijian, Yang, Shuang, Jia, Xinru
Format: Artikel
Sprache:eng
Schlagworte:
Chromophores
Emission
Excimers
Fluorescence
mechanochromic fluorescence
Modulation
Pyrenes
ring opening
Spacers
Switching
tricolored switches
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Zusammenfassung:Asserting its independence: A single organic molecule containing pyrene and rhodamine B chromophores separated by a peptide spacer (see structure) formed a mechanochromic material whose fluorescence could be switched from blue to bluish‐green and reddish by grinding. Modulation of the overlapped packing pattern of the pyrene excimer for blue emission was crucial for the reversible tricolored switching observed.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201306503