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Proceedings Paper

Thin Film Epitaxy Of Diacetylenes On Inorganic Or Organic Substrates: Structure And Non-Linear Properties Of Polymerized Films.
Author(s): J. Le Moigne; A. Thierry; P. A. Chollet; F. Kajzar; J. Messier
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Paper Abstract

Thin films of diacetylene derivatives with carbazol substituents have been prepared by epitaxial growth on different organic or inorganic substrates. Both structural aspects and optical properties have been investigated in order to obtain high cubic polarisability x(3) in well oriented assemblies of conjugated polymeric chains. Using thin film evaporation technique under high vacuum, we are able to prepare optical films of high quality, perfectly bioriented on some alkali halide crystals and monooriented on various organic crystalline substrates. Third harmonic generation (THG) measurements on such films confirm the large scale orientation of polydiacetylene crystals locally observed by electron microscopy.

Paper Details

Date Published: 21 December 1988
PDF: 5 pages
Proc. SPIE 0971, Nonlinear Optical Properties of Organic Materials, (21 December 1988); doi: 10.1117/12.948230
Show Author Affiliations
J. Le Moigne, Institut C. Sandron (France)
A. Thierry, Institut C. Sadron (France)
P. A. Chollet, CEA Saclay (France)
F. Kajzar, CEA Saclay (France)
J. Messier, CEA Saclay (France)

Published in SPIE Proceedings Vol. 0971:
Nonlinear Optical Properties of Organic Materials
Garo Khanarian, Editor(s)

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