Laser induced protonation of free base porphyrin in chloroform results in the enhancement of positive nonlinear absorption due to conformational distortion-Reference-Cited by-同舟云学术

Laser induced protonation of free base porphyrin in chloroform results in the enhancement of positive nonlinear absorption due to conformational distortion

Published:2013-11 Issue:11 Volume:17 Page:1129-1133
ISSN:1088-4246
Container-title:Journal of Porphyrins and Phthalocyanines
language:en
Short-container-title:J. Porphyrins Phthalocyanines

Author:

Zawadzka Monika¹,Wang Jun²,Blau Werner J.³,Senge Mathias O.¹

Affiliation:

1. School of Chemistry, SFI Tetrapyrrole Laboratory, Trinity Biomedical Sciences Institute, 152-160 Pearse Street, Trinity College Dublin, Dublin 2, Ireland

2. Key Laboratory of Materials for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, 201800 Shanghai, China

3. School of Physics, Trinity College Dublin, Dublin 2, Ireland

Abstract

Free base porphyrin in chloroform solution irradiated with focused laser beam, in an open Z-scan set-up, changed color from purple to green, which was associated with protonation of the porphyrin with protonic species from photodegradation of the solvent. Protonation is demonstrated as a simple means to improve the optical limiting performance of free base porphyrin nonlinear optical (NLO) materials.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Chemistry

Link

https://www.worldscientific.com/doi/pdf/10.1142/S108842461350082X

Reference22 articles.

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4. Study on Nonlinear Spectroscopy of Tetraphenylporphyrin and Dithiaporphyrin Diacids

5. Effect of protonation on the singlet–singlet excited-state absorption of meso-tetrakis(p-sulphonatophenyl) porphyrin

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