Nanostructured Ti-W mixed-metal oxides: Structural and electronic properties
Article Abstract:
An investigation of the structural and electronic properties of Ti-W binary mixed oxide nanoparticles is conducted using X-ray diffraction, Raman, X-ray absorption spectroscopies, UV-vis spectroscopy, and density functional calculations. It is concluded that UV-vis spectra show a nonlinear decrease of the band gap in the Ti-W solid solutions with a characteristic turning point at a W content of ca.15 atom %.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Photophysical and photocatalytic properties of SrTi[O.sub.3] doped with Cr cations on different sites
Article Abstract:
The photophysical and photocatalytic properties of two Cr-doped SrTi[O.sub.3], ([Sr.sub.0.95][Cr.sub.0.05])Ti[O.sub.3] and Sr([Ti.sub.0.95][Cr.sub.0.05])[O.sub.3], synthesized by a conventional solid-state reaction method are studied. The possible electronic structures of the two Cr-doped SrTi[O.sub.3] are proposed in relation to their photophysical and photocatalytic properties.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Bacteria counting with impedance spectroscopy in a micro probe station
Article Abstract:
A method, which is implemented by low-frequency impedance spectroscopy, is described to quantify the density of viable biological cells in suspensions. A micro probe station with coplanar Ti electrodes is electrically characterized and used as a measuring unit for the impedance spectroscopy recordings.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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