The 1:1 host-guest complexation between cucurbit[7]uril and styryl dye
D A Ivanov
1
,
Denis A Ivanov
1
,
Nikolai I. Petrov
1
,
Nikolai Kh Petrov
1
,
E. A. NIKITINA
1
,
Ekaterina A Nikitina
1
,
Mikhail V Basilevsky
1
,
Artem I. Vedernikov
1
,
Marina V. Fomina
1
,
Sergey P Gromov
1
,
Michael V Alfimov
1
Publication type: Journal Article
Publication date: 2011-04-06
scimago Q2
wos Q2
SJR: 0.634
CiteScore: 4.8
Impact factor: 2.8
ISSN: 10895639, 15205215
PubMed ID:
21469724
Physical and Theoretical Chemistry
Abstract
The photophysical properties of aqueous solution of styryl dye, 4-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1-ethylpyridinium perchlorate (dye 1), in the presence of cucurbit[7]uril (CB[7]) was studied by means of fluorescence spectroscopy methods. The production of 1:1 host-guest complexes in the range of CB[7] concentrations up to 16 μM with K = 1.0 × 10(6) M(-1) has been observed, which corresponds to appearance of the isosbestic point at 396 nm in the absorption spectra and a 5-fold increase in fluorescence intensity. The decay of fluorescence was found to fit to double-exponential functions in all cases; the calculated average fluorescence lifetime increases from 145 to 352 ps upon the addition of CB[7]. Rotational relaxation times of dye 1 solutions 119 ± 14 ps without CB[7] and 277 ± 35 ps in the presence of CB[7] have been determined by anisotropy fluorescence method. The comparison of the results of quantum-chemical calculations and experimental data confirms that in the host cavity dye 1 rotates as a whole with CB[7].
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Ivanov D. A. et al. The 1:1 host-guest complexation between cucurbit[7]uril and styryl dye // Journal of Physical Chemistry A. 2011. Vol. 115. No. 17. pp. 4505-4510.
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Ivanov D. A., Ivanov D. A., Petrov N. I., Petrov N. Kh., NIKITINA E. A., Nikitina E. A., Basilevsky M. V., Vedernikov A. I., Fomina M. V., Gromov S. P., Alfimov M. V. The 1:1 host-guest complexation between cucurbit[7]uril and styryl dye // Journal of Physical Chemistry A. 2011. Vol. 115. No. 17. pp. 4505-4510.
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TY - JOUR
DO - 10.1021/jp1123579
UR - https://pubs.acs.org/doi/10.1021/jp1123579
TI - The 1:1 host-guest complexation between cucurbit[7]uril and styryl dye
T2 - Journal of Physical Chemistry A
AU - Ivanov, D A
AU - Ivanov, Denis A
AU - Petrov, Nikolai I.
AU - Petrov, Nikolai Kh
AU - NIKITINA, E. A.
AU - Nikitina, Ekaterina A
AU - Basilevsky, Mikhail V
AU - Vedernikov, Artem I.
AU - Fomina, Marina V.
AU - Gromov, Sergey P
AU - Alfimov, Michael V
PY - 2011
DA - 2011/04/06
PB - American Chemical Society (ACS)
SP - 4505-4510
IS - 17
VL - 115
PMID - 21469724
SN - 1089-5639
SN - 1520-5215
ER -
Cite this
BibTex (up to 50 authors)
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@article{2011_Ivanov,
author = {D A Ivanov and Denis A Ivanov and Nikolai I. Petrov and Nikolai Kh Petrov and E. A. NIKITINA and Ekaterina A Nikitina and Mikhail V Basilevsky and Artem I. Vedernikov and Marina V. Fomina and Sergey P Gromov and Michael V Alfimov},
title = {The 1:1 host-guest complexation between cucurbit[7]uril and styryl dye},
journal = {Journal of Physical Chemistry A},
year = {2011},
volume = {115},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://pubs.acs.org/doi/10.1021/jp1123579},
number = {17},
pages = {4505--4510},
doi = {10.1021/jp1123579}
}
Cite this
MLA
Copy
Ivanov, D. A., et al. “The 1:1 host-guest complexation between cucurbit[7]uril and styryl dye.” Journal of Physical Chemistry A, vol. 115, no. 17, Apr. 2011, pp. 4505-4510. https://pubs.acs.org/doi/10.1021/jp1123579.
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