Langmuir-Blodgett (LB) films of isomeric donor-(π-bridge)-acceptor molecules with either a hydrophobically substituted acceptor [D-π-A-C 16H33 (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.
Dipole reversal in Langmuir-Blodgett films of an optically nonlinear dye and its effect on the polarity for molecular rectification / D. Locatelli, M.A.. - In: JOURNAL OF MATERIALS CHEMISTRY. - ISSN 0959-9428. - 15:39(2005), pp. 4203-4205. (5. Convegno Nazionale sulla Scienza e Tecnologia dei Materiali Cagliari 2005) [10.1039/b506765k].
Dipole reversal in Langmuir-Blodgett films of an optically nonlinear dye and its effect on the polarity for molecular rectification
D. LocatelliPrimo
;D. RobertoPenultimo
;
2005
Abstract
Langmuir-Blodgett (LB) films of isomeric donor-(π-bridge)-acceptor molecules with either a hydrophobically substituted acceptor [D-π-A-C 16H33 (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.
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