The effect of cucurbit[7]uril on photophysical properties of aqueous solution of 3,3′-diethylthiacarbocyanine iodide dye
Тип публикации: Journal Article
Дата публикации: 2009-09-01
scimago Q2
wos Q2
БС2
SJR: 0.546
CiteScore: 5.9
Impact factor: 3.1
ISSN: 00092614, 18734448
Physical and Theoretical Chemistry
General Physics and Astronomy
Краткое описание
Abstract Photophysical properties of aqueous solutions of 3,3′-diethyl-thiacarbocyanine iodide (DTCI) was studied in the presence of cucurbit[7]uril (CB7) by means of absorption and fluorescence spectroscopy. The addition of CB7 decreases the 550 nm peak of the DTCI absorption spectrum and concomitantly transforms the familiar shoulder at 510 nm into a pronounced peak; fluorescence was found to decay monoexponentially with a lifetime of 0.12 ns in aqueous DTCI solution without CB7 and 1.07 ns in the presence of CB7. The association constant of 1:1 complexes of DTCI with CB7 has been determined to be K = (2.8 ± 0.2) × 10 4 M −1 . The Rulliere model of photoisoomerisation of cyanines was used for explaining the main features of the effect observed.
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Petrov N. Kh. et al. The effect of cucurbit[7]uril on photophysical properties of aqueous solution of 3,3′-diethylthiacarbocyanine iodide dye // Chemical Physics Letters. 2009. Vol. 480. No. 1-3. pp. 96-99.
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Petrov N. Kh., Ivanov D. A., Golubkov D. V., Fomina M. V., Alfimov M. The effect of cucurbit[7]uril on photophysical properties of aqueous solution of 3,3′-diethylthiacarbocyanine iodide dye // Chemical Physics Letters. 2009. Vol. 480. No. 1-3. pp. 96-99.
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TY - JOUR
DO - 10.1016/j.cplett.2009.08.058
UR - https://linkinghub.elsevier.com/retrieve/pii/S0009261409010550
TI - The effect of cucurbit[7]uril on photophysical properties of aqueous solution of 3,3′-diethylthiacarbocyanine iodide dye
T2 - Chemical Physics Letters
AU - Petrov, N Kh
AU - Ivanov, Dimitri A.
AU - Golubkov, D V
AU - Fomina, Marina V.
AU - Alfimov, M.V.
PY - 2009
DA - 2009/09/01
PB - Elsevier
SP - 96-99
IS - 1-3
VL - 480
SN - 0009-2614
SN - 1873-4448
ER -
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@article{2009_Petrov,
author = {N Kh Petrov and Dimitri A. Ivanov and D V Golubkov and Marina V. Fomina and M.V. Alfimov},
title = {The effect of cucurbit[7]uril on photophysical properties of aqueous solution of 3,3′-diethylthiacarbocyanine iodide dye},
journal = {Chemical Physics Letters},
year = {2009},
volume = {480},
publisher = {Elsevier},
month = {sep},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0009261409010550},
number = {1-3},
pages = {96--99},
doi = {10.1016/j.cplett.2009.08.058}
}
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Petrov, N. Kh., et al. “The effect of cucurbit[7]uril on photophysical properties of aqueous solution of 3,3′-diethylthiacarbocyanine iodide dye.” Chemical Physics Letters, vol. 480, no. 1-3, Sep. 2009, pp. 96-99. https://linkinghub.elsevier.com/retrieve/pii/S0009261409010550.