Ground and Excited State Complexation of Ketocyanine Dyes with Alkaline Earth Metal Ions
Publication type: Journal Article
Publication date: 2007-06-29
scimago Q2
wos Q2
SJR: 0.634
CiteScore: 4.8
Impact factor: 2.8
ISSN: 10895639, 15205215
PubMed ID:
17602452
Physical and Theoretical Chemistry
Abstract
Electronic absorption and emission spectral characteristics of two ketocyanine dyes have been studied in solution in the presence of alkaline earth metal ions. Absorption spectral studies indicate complex formation between the ions and the dyes in the ground state. Values of the equilibrium constant and the enthalpy change characterizing dye (S0)-metal ion interaction have been determined from the absorption spectral data. In the presence of the metal ions the fluorescence spectrum of the dyes shows two bands pointing to the existence of two emitting species, viz., the solvated and the complexed dye in solution. Time-resolved studies of the dyes in solution containing the metal ions can be explained by a two-state model and indicate the presence of two emitting species in equilibrium. Values of the equilibrium constant for the interaction of metal ion and the dyes in the S1 state have also been estimated.
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16
Total citations:
16
Citations from 2025:
1
(6.25%)
The most citing journal
Citations in journal:
2
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GOST
Copy
Basu J. K., Shannigrahi M., Bagchi S. Ground and Excited State Complexation of Ketocyanine Dyes with Alkaline Earth Metal Ions // Journal of Physical Chemistry A. 2007. Vol. 111. No. 30. pp. 7066-7072.
GOST all authors (up to 50)
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Basu J. K., Shannigrahi M., Bagchi S. Ground and Excited State Complexation of Ketocyanine Dyes with Alkaline Earth Metal Ions // Journal of Physical Chemistry A. 2007. Vol. 111. No. 30. pp. 7066-7072.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/jp071375a
UR - https://doi.org/10.1021/jp071375a
TI - Ground and Excited State Complexation of Ketocyanine Dyes with Alkaline Earth Metal Ions
T2 - Journal of Physical Chemistry A
AU - Basu, Jayanta Kumar
AU - Shannigrahi, Mrinmoy
AU - Bagchi, Sanjib
PY - 2007
DA - 2007/06/29
PB - American Chemical Society (ACS)
SP - 7066-7072
IS - 30
VL - 111
PMID - 17602452
SN - 1089-5639
SN - 1520-5215
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2007_Basu,
author = {Jayanta Kumar Basu and Mrinmoy Shannigrahi and Sanjib Bagchi},
title = {Ground and Excited State Complexation of Ketocyanine Dyes with Alkaline Earth Metal Ions},
journal = {Journal of Physical Chemistry A},
year = {2007},
volume = {111},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://doi.org/10.1021/jp071375a},
number = {30},
pages = {7066--7072},
doi = {10.1021/jp071375a}
}
Cite this
MLA
Copy
Basu, Jayanta Kumar, et al. “Ground and Excited State Complexation of Ketocyanine Dyes with Alkaline Earth Metal Ions.” Journal of Physical Chemistry A, vol. 111, no. 30, Jun. 2007, pp. 7066-7072. https://doi.org/10.1021/jp071375a.