We present relevant results dealing with the transparency/optical nonlinearity trade-off in high-frequency electro-optic applications. The very simple, stable and high optical gap chromophore, the zwitterion 1-methyl-4-(tetrazol-5-ate)pyridinium, represents the best transparency/optical nonlinearity trade-off so far described in the literature. We rationalize this remarkable performance in the framework of the Bond Length Alternation theory by means of a multidisciplinary approach including: single crystal X-ray structure, Electric Field Induced Second-Harmonic Generation, solvatochromism, electrochemistry and thermal analyses.
UV absorbing zwitterionic pyridinium-tetrazolate : exceptional transparency/optical nonlinearity trade-off / L. Beverina, S. Sanguineti, G. Battagliarin, R. Ruffo, D. Roberto, S. Righetto, R. Soave, L. Lo Presti, R. Ugo, G.A. Pagani. - In: CHEMICAL COMMUNICATIONS. - ISSN 1359-7345. - 47:1(2011), pp. 292-294. [10.1039/c0cc01652g]
UV absorbing zwitterionic pyridinium-tetrazolate : exceptional transparency/optical nonlinearity trade-off
D. Roberto;S. Righetto;L. Lo Presti;R. UgoPenultimo
;
2011
Abstract
We present relevant results dealing with the transparency/optical nonlinearity trade-off in high-frequency electro-optic applications. The very simple, stable and high optical gap chromophore, the zwitterion 1-methyl-4-(tetrazol-5-ate)pyridinium, represents the best transparency/optical nonlinearity trade-off so far described in the literature. We rationalize this remarkable performance in the framework of the Bond Length Alternation theory by means of a multidisciplinary approach including: single crystal X-ray structure, Electric Field Induced Second-Harmonic Generation, solvatochromism, electrochemistry and thermal analyses.
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