FTIR study on the formation of Ti[O.sub.2] nanostructures in supercritical C[O.sub.2]
Article Abstract:
Ti[O.sub.2] nanospherical and fibered structures are obtained through a one-step sol-gel method in supercritical carbon dioxide (scC[O.sub.2]) and the mechanism of the microstructure formation is studied by using in situ Fourier transmission infrared analysis. The results have shown that the formation of nanofibers is favored by a titanium hexamer that leads to one-dimensional condensation, while nanospheres are favored by a hexamer that permits three-dimensional condensation.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Synthesis of ZrO2-carbon nanotube composites and their application as chemiluminescent sensor material for ethanol
Article Abstract:
ZrO2-carbon nanotube (CNT) composites are synthesized through decomposition of Zr(NO3)4.5H2O in supercritical carbon dioxide-ethanol solution with dispersed CNTs at relatively low temperatures and the samples are characterized using various spectroscopies. The chemiluminescent sensor prepared from ZrO2-carbon nanotube composites has displayed dramatic sensitivity as well as high stability and selectivity to ethanol.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Compressed-Co2-assisted patterning of polymers
Article Abstract:
A facile route to pattern polymer surfaces with the aid of compressed CO2, termed the compressed CO2-assisted imprint method is reported. The patterned structures can be tuned by changing CO2 pressure and temperature in the imprinting process.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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