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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/9605

Title: Dendritic porphyrins: synthesis and third-order optical non-linearity
Authors: SINGH, BP
VIJAYA, R
SHETTY, SJ
KANDASAMY, K
PUNTAMBEKAR, PN
SRIVASTAVA, TS
Keywords: nonlinearity
dendrimers
derivatives
chemistry
Issue Date: 2000
Publisher: JOHN WILEY & SONS LTD
Citation: JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 4(7), 659-664
Abstract: First- and second-generation dendritic porphyrins were synthesized by cascade polymer methodology. The second molecular hyperpolarizabilities (gamma) of these dendritic porphyrins as well as 5,10,15,20-tetraphenylporphyrin were measured by the Z-scan technique at 800 nm using a mode-locked Ti:sapphire laser. The relationship between the various structures and their corresponding second molecular hyperpolarizabilities are explained on the basis of the oscillator strength of the Q band and the increasingly electron-rich microenvironment created by the dendritic branches around the porphyrin core. Copyright (C) 2000 , Ltd.
URI: http://dx.doi.org/10.1002/1099-1409(200011)4:7<659::AID-JPP259>3.0.CO;2-K
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9605
http://hdl.handle.net/10054/9605
ISSN: 1088-4246
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