Influence of thiazole regioisomerism on second-order nonlinear optical chromophores |
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| Authors: | Elena Galán Raquel Andreu Javier Garín Laura Mosteo Jesús Orduna Belén Villacampa Beatriz E Diosdado |
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| Institution: | 1. Departamento de Química Orgánica, Facultad de Ciencias-ICMA, Universidad de Zaragoza-CSIC, Pedro Cerbuna 12, E-50009 Zaragoza, Spain;2. Departamento de Física de la Materia Condensada, ICMA, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain;3. Servicio de Difracción de Rayos X y Análisis por Fluorescencia, ICMA, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain |
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| Abstract: | Two series of matched and mismatched donor–thiazole–acceptor chromophores have been synthesized to disclose the role that the orientation of the thiazole ring plays on their second-order nonlinear optical (NLO) properties. Whereas previous theoretical studies predict that the matched systems show markedly higher NLO responses, our experimental results do not parallel this trend, showing differences between regioisomers much lower than those predicted. |
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