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Issue 43, 2017
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Two-dimensional second-order nonlinear optical spectra: landscape of second-order nonlinear optics

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Abstract

The landscape of second-order nonlinear optical (2nd NLO) responses of a system can be depicted as two-dimensional second-order nonlinear optical spectra in a range of external fields, and this is difficult to be realized in experiment for a wide range of external fields. In the present study, an efficient method for application of sum-over-states model to simulate electronic two-dimensional NLO (2DNLO) spectra has been developed, and techniques to analyze NLO response–structure correlation have been proposed. This 2DNLO method has been applied to simulate the 2DNLO spectra of a series of typical electron push–pull chromophores under external fields of up to 5.00 eV. The correlation between the NLO properties and structure has been disclosed, and a further strategy to enhance the NLO properties of push–pull chromophores has been proposed.

Graphical abstract: Two-dimensional second-order nonlinear optical spectra: landscape of second-order nonlinear optics

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Publication details

The article was received on 30 Aug 2017, accepted on 12 Oct 2017 and first published on 12 Oct 2017


Article type: Paper
DOI: 10.1039/C7CP05910H
Citation: Phys. Chem. Chem. Phys., 2017,19, 29315-29320
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    Two-dimensional second-order nonlinear optical spectra: landscape of second-order nonlinear optics

    J. Chen, M. Q. Wang, X. Zhou, L. Yang, W. Li and W. Q. Tian, Phys. Chem. Chem. Phys., 2017, 19, 29315
    DOI: 10.1039/C7CP05910H

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