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Open AccessReview

State of the Art of Boron and Tin Complexes in Second- and Third-Order Nonlinear Optics §

1
Facultad de Química, Departamento de Química Orgánica, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510 Ciudad de México, México
2
Laboratoire de Chimie de Coordination du CNRS, 205 route de Narbonne, F-31077 Toulouse, France
3
Departamento de Química, Centro de Investigación y de Estudios Avanzados del IPN, CINVESTAV, Apdo. Postal 14-740, 07000 Ciudad de México, México
*
Author to whom correspondence should be addressed.
§
This review is particularly dedicated to Prof. Renato Ugo on the occasion of his 80th birthday, whose contribution has been fundamental in this field.
Inorganics 2018, 6(4), 131; https://doi.org/10.3390/inorganics6040131
Received: 31 October 2018 / Revised: 29 November 2018 / Accepted: 5 December 2018 / Published: 10 December 2018
(This article belongs to the Special Issue Metal Complexes as Nonlinear Optical Molecular Materials)
Boron and tin complexes have been a versatile and very interesting scaffold for the design of nonlinear optical (NLO) chromophores. In this paper we present a wide range of reports since the 1990s to date, which include second-order (e.g., second harmonic generation) and third-order (e.g., two-photon absorption) NLO properties. After a short introduction on the origin of the NLO response in molecules, the different features associated with the introduction of these inorganic motifs in the organic-based NLO materials are discussed: Their effect on the accepting/donating capabilities of the substituents, on the efficiency of the π-conjugated linkage, and on the topology of the chromophores which can be tuned from the first generation of “push-pull” chromophores to more sophisticated two- or three-dimensional architectures. View Full-Text
Keywords: organoboron complex; organotin complex; nonlinear optics; two-photon absorption; Second-Harmonic Generation organoboron complex; organotin complex; nonlinear optics; two-photon absorption; Second-Harmonic Generation
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MDPI and ACS Style

Jiménez, C.C.; Enríquez-Cabrera, A.; González-Antonio, O.; Ordóñez-Hernández, J.; Lacroix, P.G.; Labra-Vázquez, P.; Farfán, N.; Santillan, R. State of the Art of Boron and Tin Complexes in Second- and Third-Order Nonlinear Optics §. Inorganics 2018, 6, 131.

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