Picosecond time resolved photoconductivity of TiO2single 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 OSA
C. Richter and C. Schmuttenmaer, "Photoconductivity in TiO2Nanotubes Measured by Time Resolved Terahertz Spectroscopy," in International Conference on Ultrafast Phenomena, OSA Technical Digest (CD) (Optical Society of America, 2010), paper ThE37.
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