Unique Piezochromic Fluorescence Behavior of Dicyanodistyrylbenzene Based Donor-Acceptor-Donor Triad: Mechanically Controlled Photo-Induced Electron Transfer (eT) in Molecular Assemblies

A novel donor–acceptor–donor triad that exhibits fluorescence on–off switching with high contrast ratio (ca. 103) 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‐for...

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Veröffentlicht in:Advanced materials (Weinheim) 2012-10, Vol.24 (40), p.5487-5492
Hauptverfasser: Kwon, Min Sang, Gierschner, Johannes, Yoon, Seong-Jun, Park, Soo Young
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container_end_page 5492
container_issue 40
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container_title Advanced materials (Weinheim)
container_volume 24
creator Kwon, Min Sang
Gierschner, Johannes
Yoon, Seong-Jun
Park, Soo Young
description A novel donor–acceptor–donor triad that exhibits fluorescence on–off switching with high contrast ratio (ca. 103) 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.
doi_str_mv 10.1002/adma.201202409
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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Calorimetry, Differential Scanning
Carbazoles - chemistry
donor-acceptor
Electron Transport
Electrons
Fluorescent Dyes - chemistry
Nitriles - chemistry
photo-induced electron transfer
piezochromism
self assembly
Spectrophotometry, Ultraviolet
Stilbenes - chemistry
title Unique Piezochromic Fluorescence Behavior of Dicyanodistyrylbenzene Based Donor-Acceptor-Donor Triad: Mechanically Controlled Photo-Induced Electron Transfer (eT) in Molecular Assemblies
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