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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/31206

Title: Correlation studies on structurally diverse porphyrin monomers, dimers and trimers and their nonlinear optical responses
Author: BLAU, WERNER
SENGE, MATHIAS
Sponsor: Science Foundation Ireland
Author's Homepage: http://people.tcd.ie/sengem
http://people.tcd.ie/wblau
Keywords: Chemistry
Issue Date: 2009
Citation: Monika Zawadzka, Jun Wang, Werner J. Blau and Mathias O. Senge, Correlation studies on structurally diverse porphyrin monomers, dimers and trimers and their nonlinear optical responses, Chemical Physics Letters, 447, 4-6, 2009, 330 - 335
Series/Report no.: Chemical Physics Letters
447
4-6
Abstract: An investigation of the nonlinear absorption of a wide range of structurally diverse porphyrin monomers, bisporphyrins and trisporphyrins, using open Z-scan technique with 6 ns pulsed laser operating at 532 nm was carried out. Using the theory of reverse saturable absorption, the intensity dependent nonlinear absorption coefficient βeff was deduced from the experiments. Monomers which Soret band maximum was situated closer to the experimental wavelength had higher βeff. The βeff of dimers and trimers were in the same range as for monomers. The highest βeff = 5.3 10-8 cmW-1 was found for a zinc complex of 5,15-A2B2 type porphyrins with 3-methoxyphenyl and trimethylsilyl-ethynyl groups in the meso positions.
Description: PUBLISHED
URI: http://dx.doi.org/10.1016/j.cplett.2009.06.089
http://hdl.handle.net/2262/31206
Appears in Collections:Chemistry (Scholarly Publications)

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