Unique Piezochromic Fluorescence Behavior of Dicyanodistyrylbenzene Based Donor–Acceptor–Donor Triad: Mechanically Controlled Photo‐Induced Electron Transfer (eT) in Molecular Assemblies
Calorimetry, Differential Scanning
Carbazoles
Electrons
self assembly
01 natural sciences
0104 chemical sciences
Electron Transport
photo-induced electron transfer
donor-acceptor
Nitriles
Stilbenes
piezochromism
Spectrophotometry, Ultraviolet
Fluorescent Dyes
DOI:
10.1002/adma.201202409
Publication Date:
2012-08-07T08:55:31Z
AUTHORS (4)
ABSTRACT
A novel donor-acceptor-donor triad that exhibits fluorescence on-off switching with high contrast ratio (ca. 10(3) ) in response to a mechanical stimulus in the solid state is reported. This system provides a very unique example of high-contrast fluorescence switching that is driven by a mechanical-force-controlled photo-induced electron transfer (eT) in molecular assemblies.
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