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Title: Beneficial effect of heating on the morphology and second-order nonlinear optical efficiency of anisotropic thin films
Authors: Van Elshocht, S ×
Verbiest, Thierry
de Schaetzen, G
Hellemans, L
Phillips, KES
Nuckolls, C
Katz, TJ
Persoons, Andre #
Issue Date: Jan-2000
Publisher: Elsevier science bv
Series Title: Chemical Physics Letters vol:323 issue:3-4 pages:340-344
Abstract: In this Letter we describe the effect of heating on the quality, morphology and nonlinear optical efficiency of anisotropic Langmuir-Blodgett films composed of a chiral helicenebisquinone derivative. The samples were studied with second harmonic generation (SHG), UV-Vis absorption spectroscopy and atomic force microscopy (AFM). Heating a Langmuir-Blodgett film of a helicenebisquinone derivative improves the film quality (homogeneity, surf;tce smoothness). In addition, it increases the film's anisotropy and, as a consequence doubles its nonlinear optical efficiency. (C) 2000 Elsevier Science B.V. All rights reserved.
URI: 
ISSN: 0009-2614
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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