Electronic Transitions in a Classical Antiferroelectric Banana-Shaped Compound

Bao Gai Zhai; Yuan Ming Huang

doi:10.4028/www.scientific.net/KEM.428-429.317

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 428-429Electronic Transitions in a Classical...

Electronic Transitions in a Classical Antiferroelectric Banana-Shaped Compound

Abstract:

The electronic transitions in a classical banana-shaped liquid crystal 1,3-phenylene-bis [4-(4-octylphenylimino) methyl] benzoate have been investigated by measuring its optical absorption spectra in dilute solutions of ethyl alcohol and by calculating its electronic structures with extended Hückel tight binding program. The banana-shaped compound shows strong absorptions at 240, 280, 350 nm, respectively. On the basis of the calculated electronic structures, the three strong absorptions can be assigned to the *, n*, and nn* electronic transitions in this banana-shaped compound.

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Periodical:

Key Engineering Materials (Volumes 428-429)

Pages:

317-321

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.428-429.317

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Online since:

January 2010

Authors:

Bao Gai Zhai, Yuan Ming Huang

Keywords:

Absorption, Banana-Shaped Liquid Crystal, Electronic Structure, Electronic Transition, Hückel Tight Binding Method

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