pH-Dependent electron-transport properties of carbon nanotubes

Article Abstract:

Carbon nanotube electrochemical transistors integrated with microfluidic channels are used to examine the effects of aqueous electrolyte solutions on the electron-transport properties of single isolated carbon nanotubes and also the pH and concentration supporting inert electrolytes. The pH-dependent charging of Si[O.sub.2] substrate is ruled out as the origin is based on measurements with suspended nanotube transistors, whereas increasing the ionic strength has led to reduce pH response.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Silicon Dioxide, Analysis, Carbon, Aqueous solution reactions, Chemical properties

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Mechanism of hydroxyl radical generation from silica surface: Molecular orbital calculations

Article Abstract:

The interactions of an H2O molecule with cluster models of fractured silica surfaces were studied by means of quantum mechanical calculations. The calculations suggested that when the silica is fractured in a vacuum homolytic cleavage is favored.

Science & research, Research, Quantum theory, Quantum mechanics, Molecular orbitals

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