Cooperative Coupling of Cyanine and Tictoid Twisted π-Systems to Amplify Organic Chromophore Cubic Nonlinearities

Yanrong Shi; Alexander J.T. Lou; Guang S. He; Alexander Baev; Mark T. Swihart; Paras N. Prasad; Tobin J. Marks

doi:10.1021/jacs.5b01042

Cooperative Coupling of Cyanine and Tictoid Twisted π-Systems to Amplify Organic Chromophore Cubic Nonlinearities

Yanrong Shi, Alexander J.T. Lou, Guang S. He, Alexander Baev, Mark T. Swihart, Paras N. Prasad, Tobin J. Marks

Northwestern University

Research output: Contribution to journal › Article › peer-review

45 Citations (Scopus)

Abstract

We report a new class of hybrid π-electron chromophores with a large, sign-tunable third-order nonlinear optical (NLO) response, achieved via cooperative coupling of cyanine dye bond-length alternation effects with the rich density of states in zwitterionic twisted π-system chromophores. A combined synthetic, linear/nonlinear spectroscopic, and quantum chemical study reveals exceptional third-order response exceeding the sum of the individual chromophore contributions.

Original language	English
Pages (from-to)	4622-4625
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	137
Issue number	14
DOIs	https://doi.org/10.1021/jacs.5b01042
Publication status	Published - Apr 15 2015

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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Cooperative Coupling of Cyanine and Tictoid Twisted π-Systems to Amplify Organic Chromophore Cubic Nonlinearities. / Shi, Yanrong; Lou, Alexander J.T.; He, Guang S.; Baev, Alexander; Swihart, Mark T.; Prasad, Paras N.; Marks, Tobin J.

In: Journal of the American Chemical Society, Vol. 137, No. 14, 15.04.2015, p. 4622-4625.

Research output: Contribution to journal › Article › peer-review

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AU - Swihart, Mark T.

AU - Prasad, Paras N.

AU - Marks, Tobin J.

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Cooperative Coupling of Cyanine and Tictoid Twisted π-Systems to Amplify Organic Chromophore Cubic Nonlinearities

Abstract

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