Issue 39, 2005

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

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.

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

Article information

Article type
Communication
Submitted
12 May 2005
Accepted
03 Jun 2005
First published
15 Jun 2005

J. Mater. Chem., 2005,15, 4203-4205

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

G. J. Ashwell, B. J. Robinson, M. A. Amiri, D. Locatelli, S. Quici and D. Roberto, J. Mater. Chem., 2005, 15, 4203 DOI: 10.1039/B506765K

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