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Sub-picosecond Carrier Dynamics in ZnO Nanowires and Films Measured by Time-Resolved THz Spectroscopy

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Abstract

The transient photoconductivity of ZnO nanowires and polycrystalline and nanoparticle films displays non-Drude behavior. Electron injection occurs on sub-picosecond time scales and decay kinetics indicate that surfaces and interfaces are the dominant sources of recombination.

© 2006 Optical Society of America

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