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Dipole reversal in Langmuir–Blodgett films of an optically nonlinear dye and its effect on the polarity for molecular rectification

Ashwell, Geoff and Robinson, Benjamin and Amiri, Mukhtar and Locatelli, Danika and Quici, Silvio and Roberto, Dominique (2005) Dipole reversal in Langmuir–Blodgett films of an optically nonlinear dye and its effect on the polarity for molecular rectification. Journal of Materials Chemistry, 15 (39). pp. 4203-4205. ISSN 0959-9428

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Abstract

Langmuir–Blodgett (LB) films of isomeric donor–(π-bridge)–acceptor molecules with either a hydrophobically substituted acceptor [D–π–A–C16H33 (1)] or donor [A–π–D–C16H33 (2)] exhibit second-harmonic generation and asymmetric current–voltage characteristics: a reversed polarity for rectification arises from an inversion of the dipole orientations in the two types of monolayer.

Item Type: Article
Journal or Publication Title: Journal of Materials Chemistry
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 58884
Deposited By: ep_importer_pure
Deposited On: 04 Oct 2012 16:19
Refereed?: Yes
Published?: Published
Last Modified: 10 Apr 2014 00:14
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/58884

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