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Chemicals, plastics and rubber industries

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Origin of the photoinduced optical second harmonic generation arising in N-phenyl microcrystalline films

Article Abstract:

Optical second harmonic generation (SHG) and photoinduced second-order nonlinear optical effects of N-phenyls with different numbers of aromatic rings deposited on glass substrates were studied. A strong dependence of the photoinduced SHG versus the number of aromatic rings determining the degree of film crystallinity was seen and it was found that for the photoinduced first-order nonlinear optical effect the dominant contribution is an amorphous-like structure component.

Author: Kityk, I.V., Makowska-Janusik, M., Tkaczyk, S.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
Optical properties, Density functionals, Density functional theory, Structure, Phenyl compounds

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Conjugated polymer/molten salt optimization

Article Abstract:

The importance of finding optimized conditions to produce the molten salt-polymer blends best suited for favoring electron and hole injection in thin layer electrochemical cells is highlighted. Electric force microscopy measurements show that increasing the salt content results in producing a reduced number of larger salt domains, so that the overall perimeter of the discotic salt domains exhibits a maximum as a function of the salt concentration in the solution.

Author: Stephan, O., Habrard, F., Ouisse, T.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
Unsupported plastics film & sheet, Unsupported Plastics Film and Sheet (except Packaging) Manufacturing, Vinyl Film, Usage, Design and construction, Fluorescence, Batteries, Semiconductor doping

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Reconstructing local interaction potentials from perturbations to the thermally driven motion of an atomic force microscope cantilever

Article Abstract:

Issues concerning the use of the atomic force microscope to determine the spatial distribution of the forces occurring between nanometer scale objects are presented.

Author: Heinz, William F., Antonik, Matthew D., Hoh, Jan H.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2000
Measurement, Chemistry, Physical and theoretical, Physical chemistry, Surface chemistry

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Subjects list: Analysis, Observations, Atomic force microscopy
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