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Proceedings Paper

Transient absorption characterization of Cu- and Zn-metallized derivatives of meso-tetrakis(4-caynophenyl) N-confused porphyrin
Author(s): Guanghong Ao; Zhengguo Xiao; Yuxiao Wang; Xueru Zhang; Yinglin Song
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Paper Abstract

Meso-tetrakis(4-cyanophenyl)N-confused porphyrin [NCTPP(CN)4] and its two metallized derivatives with Cu2+ and Zn2+ ligand in the central position of the macrocycle are synthesized and spectroscopically characterized. Their excited-state dynamics are investigated with transient absorption (TA) spectroscopy upon excitation by 190 fs laser pulses at 420 nm within their Soret band region. A global and target analysis for the TA spectra of each porphyrin is performed via a four-level model including singlet (S) and triplet (T) states to extract the photophysical parameters at a variety of absorption wavelengths. Furthermore the corresponding excited-state lifetimes are extracted and discussed.

Paper Details

Date Published: 15 October 2015
PDF: 7 pages
Proc. SPIE 9671, AOPC 2015: Advances in Laser Technology and Applications, 96710X (15 October 2015); doi: 10.1117/12.2199634
Show Author Affiliations
Guanghong Ao, Harbin Institute of Technology (China)
Zhengguo Xiao, Harbin Institute of Technology (China)
Yuxiao Wang, Harbin Institute of Technology (China)
Xueru Zhang, Harbin Institute of Technology (China)
Yinglin Song, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 9671:
AOPC 2015: Advances in Laser Technology and Applications
Shibin Jiang; Lijun Wang; Chun Tang; Yong Cheng, Editor(s)

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