Stepwise interactions, sodium ion photoejection and proton-transfer inhibition in a crown-ether and proton-transfer dye
Publication type: Journal Article
Publication date: 2003-11-05
scimago Q2
wos Q2
SJR: 0.546
CiteScore: 5.9
Impact factor: 3.1
ISSN: 00092614, 18734448
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
In this Letter, we report on UV–Vis absorption and steady-state and time-resolved emission studies of 4 ′ -monoaza-15-crown-5-flavonol (CF) complexed to Na + in acetonitrile. At the ground state, we observed a stepwise CF:(Na) 2 complex formation. At S 1 , a fast intramolecular charge-transfer event induces ejection of sodium cation from the crown-ether part and photoproduces a complex not observed at S 0 . The proton-transfer reaction normally occurring in free CF is not observed in the photoproduced complex where the sodium ion interacts with the proton-accepting group. The time constant of decomplexation of sodium from the crown-ether ring is less than 10 ps.
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Total citations:
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Citations from 2025:
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Douhal A., Roshal A., Organero J. Stepwise interactions, sodium ion photoejection and proton-transfer inhibition in a crown-ether and proton-transfer dye // Chemical Physics Letters. 2003. Vol. 381. No. 3-4. pp. 519-525.
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Douhal A., Roshal A., Organero J. Stepwise interactions, sodium ion photoejection and proton-transfer inhibition in a crown-ether and proton-transfer dye // Chemical Physics Letters. 2003. Vol. 381. No. 3-4. pp. 519-525.
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RIS
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TY - JOUR
DO - 10.1016/j.cplett.2003.10.027
UR - https://doi.org/10.1016/j.cplett.2003.10.027
TI - Stepwise interactions, sodium ion photoejection and proton-transfer inhibition in a crown-ether and proton-transfer dye
T2 - Chemical Physics Letters
AU - Douhal, A.
AU - Roshal, A.D.
AU - Organero, J.A.
PY - 2003
DA - 2003/11/05
PB - Elsevier
SP - 519-525
IS - 3-4
VL - 381
SN - 0009-2614
SN - 1873-4448
ER -
Cite this
BibTex (up to 50 authors)
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@article{2003_Douhal,
author = {A. Douhal and A.D. Roshal and J.A. Organero},
title = {Stepwise interactions, sodium ion photoejection and proton-transfer inhibition in a crown-ether and proton-transfer dye},
journal = {Chemical Physics Letters},
year = {2003},
volume = {381},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.cplett.2003.10.027},
number = {3-4},
pages = {519--525},
doi = {10.1016/j.cplett.2003.10.027}
}
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MLA
Copy
Douhal, A., et al. “Stepwise interactions, sodium ion photoejection and proton-transfer inhibition in a crown-ether and proton-transfer dye.” Chemical Physics Letters, vol. 381, no. 3-4, Nov. 2003, pp. 519-525. https://doi.org/10.1016/j.cplett.2003.10.027.