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Photoconductivity in TiO2 nanotubes measured by Time Resolved Terahertz Spectroscopy

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Picosecond time resolved photoconductivity of TiO2 single crystals, nanoparticles, and nanotubes is reported. Long range photoconductivity of both nanomaterials is impaired. The THz data reveal a very different microscopic mechanism reducing conductivity nanotubes vs. nanoparticles.

© 2010 Optical Society of America

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