Time-Resolved Continuous-Wave and Pulse EPR Investigation of Photoinduced States of Zinc Porphyrin Linked with an Ethylenediamine Copper Complex
Publication type: Journal Article
Publication date: 2015-07-07
scimago Q3
wos Q4
SJR: 0.308
CiteScore: 2.2
Impact factor: 1.1
ISSN: 09379347, 16137507
Atomic and Molecular Physics, and Optics
Abstract
Electron spin dynamics of the photoexcited state of a new porphyrin system built of a zinc porphyrin molecule with a linked complex of copper ion (ZnPCu) was studied using electron paramagnetic resonance (EPR) methods. The time-resolved continuous-wave and echo-detected EPR data show that electron spins of the ZnPCu system are polarized. The shape of the EPR spectrum and the echo-detected nutation spectroscopy data indicate that there is a relatively small spin–spin interaction between two subunits, namely, less than the zero-field splitting parameter of the excited triplet ZnP molecule. Results have been interpreted assuming that the S = 1 Zn porphyrin subunit electron spins are polarized via the triplet mechanism and this polarization is transferred to the S = 1/2 copper subunit via a flip-flop process induced by the exchange interaction between these subunits. The formation of the integral spin polarization in the triplet–doublet system as a function of the value and type of the triplet–doublet interaction was analyzed.
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Sukhanov A. et al. Time-Resolved Continuous-Wave and Pulse EPR Investigation of Photoinduced States of Zinc Porphyrin Linked with an Ethylenediamine Copper Complex // Applied Magnetic Resonance. 2015. Vol. 46. No. 11. pp. 1199-1220.
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Sukhanov A., Konov K. B., Salikhov K. M., Voronkova V. K., Mikhalitsyna E. A., Tyurin V. S. Time-Resolved Continuous-Wave and Pulse EPR Investigation of Photoinduced States of Zinc Porphyrin Linked with an Ethylenediamine Copper Complex // Applied Magnetic Resonance. 2015. Vol. 46. No. 11. pp. 1199-1220.
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TY - JOUR
DO - 10.1007/s00723-015-0705-0
UR - http://link.springer.com/10.1007/s00723-015-0705-0
TI - Time-Resolved Continuous-Wave and Pulse EPR Investigation of Photoinduced States of Zinc Porphyrin Linked with an Ethylenediamine Copper Complex
T2 - Applied Magnetic Resonance
AU - Sukhanov, A.A.
AU - Konov, K B
AU - Salikhov, K M
AU - Voronkova, V K
AU - Mikhalitsyna, E A
AU - Tyurin, V S
PY - 2015
DA - 2015/07/07
PB - Springer Nature
SP - 1199-1220
IS - 11
VL - 46
SN - 0937-9347
SN - 1613-7507
ER -
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@article{2015_Sukhanov,
author = {A.A. Sukhanov and K B Konov and K M Salikhov and V K Voronkova and E A Mikhalitsyna and V S Tyurin},
title = {Time-Resolved Continuous-Wave and Pulse EPR Investigation of Photoinduced States of Zinc Porphyrin Linked with an Ethylenediamine Copper Complex},
journal = {Applied Magnetic Resonance},
year = {2015},
volume = {46},
publisher = {Springer Nature},
month = {jul},
url = {http://link.springer.com/10.1007/s00723-015-0705-0},
number = {11},
pages = {1199--1220},
doi = {10.1007/s00723-015-0705-0}
}
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MLA
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Sukhanov, A.A., et al. “Time-Resolved Continuous-Wave and Pulse EPR Investigation of Photoinduced States of Zinc Porphyrin Linked with an Ethylenediamine Copper Complex.” Applied Magnetic Resonance, vol. 46, no. 11, Jul. 2015, pp. 1199-1220. http://link.springer.com/10.1007/s00723-015-0705-0.