Single molecule studies of calix[4]arene-linked perylene bisimide dimers: relationship between blinking, lifetime and/or spectral fluctuations.
Single molecule studies of calix[4]arene-linked perylene bisimide dimers: relationship between blinking, lifetime and/or spectral fluctuations.
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杯[4]芳烃连接的苝双酰亚胺二聚体的单分子研究:眨眼、寿命和/或光谱波动之间的关系
DOI:
10.1039/c2cp41250k
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
J. Köhler
中科院分区:
文献类型:
--
作者:
A. Issac;R. Hildner;D. Ernst;C. Hippius;F. Würthner;J. Köhler
We recorded fluorescence time traces, and simultaneously either the fluorescence lifetime or the emission spectra from single perylene bisimide (PBI) dimers embedded in a polystyrene matrix. In these traces three distinct intensity levels can be distinguished, which reflect the photo-induced radicalisation of one of the perylene subunits. Differences in the energy transfer rate between the neutral PBI and the reversibly formed radical anion give rise to variations in the chronological order of the appearance of the intensity levels, which allowed us to categorise the time traces into three distinct groups: Type 1 blinking corresponds to a high energy transfer rate, type 2 blinking to fluctuations between large and small transfer rates (dynamic quenching), and type 3 blinking results from small energy transfer rates together with Coulomb blockade. The information that we obtain from the distributions of the fluorescence lifetimes at the various signal levels allows us to relate these differences to properties of the local polymer environment of the dimers.
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影响因子:
15
作者:
E. Fron;T. Bell;Antoine Van Vooren;G. Schweitzer;J. Cornil;D. Beljonne;P. Toele;Josemon Jacob;K. Müllen;J. Hofkens;M. van der Auweraer;F. D. De Schryver
通讯作者:
F. D. De Schryver
影响因子:
10.8
作者:
Lang, E;Sorokin, A;Köhler, J
通讯作者:
Köhler, J
DOI:
10.1002/cphc.201000588
发表时间:
2011
期刊:
Chemphyschem : a European journal of chemical physics and physical chemistry
影响因子:
--
作者:
S. Unterkofler;Tobias Pflock;J. Southall;R. Cogdell;J. Köhler
通讯作者:
J. Köhler
影响因子:
15
作者:
R. Vallée;M. Cotlet;M. van der Auweraer;J. Hofkens;K. Müllen;F. D. De Schryver
通讯作者:
F. D. De Schryver
DOI:
10.1073/pnas.2533896100
发表时间:
2003-12-23
影响因子:
11.1
作者:
Hofmann, C;Aartsma, TJ;Köhler, J
通讯作者:
Köhler, J