Substrate and surfactant effects on the glass-liquid transition of thin water films

Article Abstract:

Temperature-programmed time-of-flight secondary ion mass spectrometry (TP-TOF-SIMS) TP desorption (TPD) were used to investigate the adsorption, desorption and glass-liquid transition of water on the graphite ad Ni(111) surfaces. It was found that water wets the graphite surface at 100-120K and the hydrogen-bonded network is formed preferentially in the first monolayer to reduce the number of nonbonding hydrogen but Ni(111) surfaces do not form such a network and play a role in stabilizing the film morphology.

All Other Basic Inorganic Chemical Manufacturing, Analytical Laboratory Instrument Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Analytical instruments, Nickel Compounds, Ion Mass Spectroscopy, Usage, Mass spectrometry, Thermal properties, Chemical properties

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Structural, optical, and photoelectrochemical properties of M(super n+) - TiO2 model thin film photocatalysts

Article Abstract:

Some general conclusions about the photocatalytic behavior of M(super n+) doped or M2On modified TiO2 photocatalysts were drawn by studying of M(super n+) - TiO2 model systems in the form of thin films. Results indicate that the presence of cation M has a deleterious influence in the photoelectrochemical response of the M(super n+) - TiO2 thin films acting as photoanodes.

Titanium dioxide

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Surfactant removal and silica condensation during the photochemical calcination of thin film silica mesophases

Article Abstract:

The evolution of photochemical surfactant removal and silica condensation from organically templated thin film silica nanocomposites with mesoscopic ordering is probed. Surfactant removal and silica reconstructions are found to be nearly complete after 90 min of exposure.

California, Industrial sand, Silica & Silica Sand, Industrial Sand Mining, Observations, Silica, Photochemistry, Silicon dioxide

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