Time-Resolved EPR Spectra of Photoexcited Copper Porphyrin
Publication type: Journal Article
Publication date: 2010-10-31
scimago Q3
wos Q4
SJR: 0.308
CiteScore: 2.2
Impact factor: 1.1
ISSN: 09379347, 16137507
Atomic and Molecular Physics, and Optics
Abstract
Photoinduced spin-polarized transient electron paramagnetic resonance (EPR) spectra of copper 5,10,15,20-tetrakis(3-pyridyl)porphyrin (3PyNCu) in the frozen solution have been observed in the X-band. The time evolution and the temperature dependence of the spectra have been studied. The effect of molecular oxygen in the frozen solution on the polarization pattern has also been examined. The magnetic resonance parameters of the ground state of 3PyNCu have been obtained by comparing the experimental continuous-wave and echo-detected EPR spectra with the numerical computations. The magnetic resonance parameters of the excited states and the photoinduced polarizations have been investigated by time-resolved EPR (TREPR) spectroscopy and numerical analysis. The experimental spectra have been considered as a sum of the polarized spectra of the ground and excited states. Our analysis confirmed that the TREPR spectra consisted of two main patterns: the enhanced signal from the ground state and the multiplet contribution belonging to the excited quartet state.
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Iyudin V. S. et al. Time-Resolved EPR Spectra of Photoexcited Copper Porphyrin // Applied Magnetic Resonance. 2010. Vol. 40. No. 1. pp. 75-89.
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Iyudin V. S., Kandrashkin Y., Voronkova V. K., Tyurin V. S., Kirichenko E. N. Time-Resolved EPR Spectra of Photoexcited Copper Porphyrin // Applied Magnetic Resonance. 2010. Vol. 40. No. 1. pp. 75-89.
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TY - JOUR
DO - 10.1007/s00723-010-0184-2
UR - http://link.springer.com/10.1007/s00723-010-0184-2
TI - Time-Resolved EPR Spectra of Photoexcited Copper Porphyrin
T2 - Applied Magnetic Resonance
AU - Iyudin, V S
AU - Kandrashkin, Yu.E.
AU - Voronkova, V K
AU - Tyurin, V S
AU - Kirichenko, E N
PY - 2010
DA - 2010/10/31
PB - Springer Nature
SP - 75-89
IS - 1
VL - 40
SN - 0937-9347
SN - 1613-7507
ER -
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@article{2010_Iyudin,
author = {V S Iyudin and Yu.E. Kandrashkin and V K Voronkova and V S Tyurin and E N Kirichenko},
title = {Time-Resolved EPR Spectra of Photoexcited Copper Porphyrin},
journal = {Applied Magnetic Resonance},
year = {2010},
volume = {40},
publisher = {Springer Nature},
month = {oct},
url = {http://link.springer.com/10.1007/s00723-010-0184-2},
number = {1},
pages = {75--89},
doi = {10.1007/s00723-010-0184-2}
}
Cite this
MLA
Copy
Iyudin, V. S., et al. “Time-Resolved EPR Spectra of Photoexcited Copper Porphyrin.” Applied Magnetic Resonance, vol. 40, no. 1, Oct. 2010, pp. 75-89. http://link.springer.com/10.1007/s00723-010-0184-2.
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