Fast photo-processes in triazole-based push–pull systems
Peter D Zoon
1
,
Manuel Parent
3, 4
,
Olivier Mongin
3, 4
,
Mireille Blanchard-Desce
3, 4
,
Albert M. Brouwer
1
3
CNRS, Chimie et Photonique Moléculaire (CPM), 35042 Rennes, France
|
Publication type: Journal Article
Publication date: 2010-01-27
scimago Q2
wos Q2
SJR: 0.698
CiteScore: 5.3
Impact factor: 2.9
ISSN: 14639076, 14639084
DOI:
10.1039/b921322h
PubMed ID:
20200748
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
Electron donor-acceptor compounds 1 (asymmetrical push-pull derivative) and 2 (symmetrical push-pull-push derivative) were studied in which one (push-pull) or two aniline units (push-pull-push) are connected to a biphenyl group via triazole linkers, made by "click" chemistry. Steady-state and time-resolved spectroscopies indicate that highly dipolar charge separated excited states are populated in moderately polar solvents. The very similar photophysical behavior of both compounds implies symmetry breaking in the excited state of 2. The polarity of the solvent determines the efficiency of formation of the charge separated state. While in toluene it is very low, it becomes very high in acetonitrile. The bis-triazole substituted biphenyl unit in 2 behaves as a better electron acceptor than the mono-triazole substituted biphenyl in 1, which leads to a more facile charge separation in 2. Rates of charge separation are of the order of 10(11)-10(12) s(-1), and increase with solvent polarity.
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Total citations:
26
Citations from 2024:
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(15.38%)
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GOST
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Zoon P. D. et al. Fast photo-processes in triazole-based push–pull systems // Physical Chemistry Chemical Physics. 2010. Vol. 12. No. 11. p. 2706.
GOST all authors (up to 50)
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Zoon P. D., VAN STOKKUM I. H. M., Parent M., Mongin O., Blanchard-Desce M., Brouwer A. M. Fast photo-processes in triazole-based push–pull systems // Physical Chemistry Chemical Physics. 2010. Vol. 12. No. 11. p. 2706.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1039/b921322h
UR - https://doi.org/10.1039/b921322h
TI - Fast photo-processes in triazole-based push–pull systems
T2 - Physical Chemistry Chemical Physics
AU - Zoon, Peter D
AU - VAN STOKKUM, IVO H. M.
AU - Parent, Manuel
AU - Mongin, Olivier
AU - Blanchard-Desce, Mireille
AU - Brouwer, Albert M.
PY - 2010
DA - 2010/01/27
PB - Royal Society of Chemistry (RSC)
SP - 2706
IS - 11
VL - 12
PMID - 20200748
SN - 1463-9076
SN - 1463-9084
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2010_Zoon,
author = {Peter D Zoon and IVO H. M. VAN STOKKUM and Manuel Parent and Olivier Mongin and Mireille Blanchard-Desce and Albert M. Brouwer},
title = {Fast photo-processes in triazole-based push–pull systems},
journal = {Physical Chemistry Chemical Physics},
year = {2010},
volume = {12},
publisher = {Royal Society of Chemistry (RSC)},
month = {jan},
url = {https://doi.org/10.1039/b921322h},
number = {11},
pages = {2706},
doi = {10.1039/b921322h}
}
Cite this
MLA
Copy
Zoon, Peter D., et al. “Fast photo-processes in triazole-based push–pull systems.” Physical Chemistry Chemical Physics, vol. 12, no. 11, Jan. 2010, p. 2706. https://doi.org/10.1039/b921322h.
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