Carboxylate-counterion interactions and changes in these interactions during photopolymerization of a long-chain diacetylene monocarboxylic acid at air-water interfaces: external infrared reflection absorption spectroscopic study
Article Abstract:
The carboxylate-counterion interactions and effects to these interactions by the photopolymerization of the 10,12-pentacosadiynoic acid (DA) at air-water interfaces in the presence of Ba2+, Cd2+ and Pb2+ were investigated using external infrared reflection absorption spectroscopy. The frequencies of the carboxylate antisymmetric and symmetric stretching vibration bands of the DA monolayers of the water subphases containing the three divalent metal ions were found to exhibit discrete shifts when the molecular areas were reduced. The shifts were also found to be similar to the infrared spectral changes caused by the compression of the monolayers without irradiation.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1999
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Raman microscopic study on polymerization and degradation processes of a diacetylene derivative at surface enhanced Raman scattering active substrates. 1. Reaction kinetics
Article Abstract:
Raman microspectroscopy was applied to study the polymerization kinetics of the Langmuir-Blodgett (LB) films of 10,12-pentacosadiyonic acid (DA) adsorbed on surface enhanced Raman scattering (SERS) active Ag island films. It described the SERS spectroscopic study of the 532-nm excitation light-induced polymerization of the DA-LB films at low temperatures to elucidate the polymerization kinetics of the DA monomers on the SERS-active substrates.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Photo catalytic activity of sol-gel TiO2 thin films on various kinds of glass substrates: the effects of Na+ and primary particle size
Article Abstract:
TiO2 thin films were prepared on different kinds of glass substrates at different heating temperatures to study the effects of ions diffused from the glass substrate on TiO2 photocatalysts. The photocatalytic activities of the TiO2 thin films were evaluated using the degradation reaction of trichlotoethylene (TCE).
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
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