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Transición plástica para cambiar las propiedades ópticas no lineales que muestran el contraste más alto en un cristal

Zhihua Sun¹, Tianliang Chen¹, Xitao Liu¹

¹Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou, Fujian 350002, P. R. China.

Journal of the American Chemical Society

|December 1, 2015

Resumen

Los investigadores lograron un contraste récord para la conmutación de efectos ópticos no lineales (NLO) en un material de cristal plástico. Este avance en la ciencia de los materiales NLO permite nuevas posibilidades para los materiales funcionales.

Área de la Ciencia:

Ciencias de los materiales
Óptica
La cristalografía

Sus antecedentes:

La conmutación de los efectos ópticos no lineales (NLO) es crucial para los materiales NLO avanzados.
Lograr un alto contraste para los efectos cuadráticos de NLO en materiales cristalinos sigue siendo un desafío significativo.

Objetivo del estudio:

Para informar sobre el comportamiento de conmutación de NLO de un cristal de plástico de un solo componente.
Para aclarar el mecanismo detrás de la conmutación de NLO observada.

Principales métodos:

Investigó las propiedades ópticas no lineales del 2- ((hidroximetil) -2-nitro-1,3-propanediol (1).
Los movimientos moleculares analizados durante las transiciones de plástico a rígido para comprender el cambio de NLO.

Principales resultados:

Comportamientos de conmutación de NLO supereminentes observados en el compuesto (1) con un contraste récord de al menos ~ 150.
Elucidado el mecanismo de conmutación a través de la desaceleración de los movimientos moleculares isotrópicos durante la transición de fase.

Conclusiones:

Los cristales de plástico ofrecen una plataforma única para desarrollar nuevos materiales funcionales con propiedades fotoeléctricas conmutables.
Los hallazgos abren una nueva vía conceptual para el diseño de materiales NLO avanzados con alto contraste de conmutación.

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