Internal cancellation of electric field induced second harmonic generation in solvent mixtures and solutions: an efficient protocol for the determination of molecular hyperpolarizability

Narayana Rao, D. ; Naga Srinivas, N. K. M. ; Gangopadhyay, P. ; Radhakrishnan, T. P. (2004) Internal cancellation of electric field induced second harmonic generation in solvent mixtures and solutions: an efficient protocol for the determination of molecular hyperpolarizability The Journal of Physical Chemistry A, 108 (24). pp. 5213-5219. ISSN 1089-5639

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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp037635f

Related URL: http://dx.doi.org/10.1021/jp037635f

Abstract

Electric field induced second harmonic generation (EFISHG) is a standard technique for the experimental determination of molecular hyperpolarizability. We have developed a novel cell design for EFISHG experiments that makes use of a conventional spectrometer glass cuvette. An efficient and convenient protocol is developed for the analysis of the EFISHG data making use of the internal cancellation of second harmonic generation in solvent mixtures and solutions to determine the first hyperpolarizability value. Calibration experiments and measurements on 4-nitroaniline in DMSO and NMP are presented. The first hyperpolarizability of the zwitterionic push-pull molecule, DCNQI, is measured in DMSO and NMP.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:72525
Deposited On:29 Nov 2011 04:29
Last Modified:29 Nov 2011 04:29

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