Optically sensing additional sonication effects on dispersed HiPco nanotubes in aerated water

Article Abstract:

An observation is made that sonication-induced pH changes suppress the optical transitions of the first interband transition pair in the density of states of semiconducting single-walled carbon nanotubes (SWNTs) while other possible intermediates induced by sonication do not contribute much to the observed spectral changes without involvement of sonication-induced pH decrease. The results indicate that sodium dodecyl sulfate-encased SWNTs may be used as an indicator for sonolysis-related application.

Optical properties, Hydrogen-ion concentration, Carbon compounds, Nanotubes, pH

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A mesoporous iron-titanium oxide composite prepared sonochemically

Article Abstract:

A complete mesoporous iron-titanium oxide was synthesized by ultrasound irradiation. The sonochemical technique and the surfactant templating method were used to prepare mesoporous iron oxide-titania.

Observations, Iron compounds, Chemistry, Physical and theoretical, Physical chemistry, Chemical synthesis

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