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A Two-Legged Spacer Molecule for Alternate Layer LB Film Deposition with Optically Nonlinear Dyes

Published online by Cambridge University Press:  25 February 2011

G. J. Ash Well ,
W. A. Crossland ,
P. J. Martin ,
P. A. Thompson ,
A. T. Hewson  and
S. D. Marsden
G. J. Ash Well*
Affiliation:
Centre for Molecular Electronics, The Advanced Materials Group, Cranfield Institute of Technology, Cranfield MK43 OAL, UK
W. A. Crossland
Affiliation:
Centre for Molecular Electronics, The Advanced Materials Group, Cranfield Institute of Technology, Cranfield MK43 OAL, UK
P. J. Martin
Affiliation:
Centre for Molecular Electronics, The Advanced Materials Group, Cranfield Institute of Technology, Cranfield MK43 OAL, UK
P. A. Thompson
Affiliation:
Centre for Molecular Electronics, The Advanced Materials Group, Cranfield Institute of Technology, Cranfield MK43 OAL, UK
A. T. Hewson
Affiliation:
School of Science, Sheffield City Polytechnic, Sheffield SI 1WB, UK
S. D. Marsden
Affiliation:
School of Science, Sheffield City Polytechnic, Sheffield SI 1WB, UK
*
* To whom correspondence should be addressed.
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Abstract

Second harmonic generation from Langmuir-Blodgett films of E-N-octadecyl-4-(2-(4-dimethylaminophenyl)ethenyl)pyridinium iodide (a hemicyanine) interleaved with 4, 4'-dioctadecyl-3, 5, 3', 5'-tetramethyldipyrrylmethene hydrobromide (spacer) increases quadratically with the number of active layers, the second-order nonlinear optical susceptibility of film structures comprising from 1 to 150 bilayers being 70 pm/V. The synthesis and nonlinear optical properties are reported.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 247: Symposium N – Electrical, Optical, and Magnetic Properties of Organic Solid State Materials , 1992 , 787
Copyright
Copyright © Materials Research Society 1992

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References

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