Physics
Scientific paper
Jul 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007njph....9..214c&link_type=abstract
New Journal of Physics, Volume 9, Issue 7, pp. 214 (2007).
Physics
14
Scientific paper
Vertical aligned ZnO nanorod (diameter = 50 nm) arrays on indium tin oxide (ITO) substrates have been grown using a new two-step soft chemical procedure. The resulting current voltage (I V) characteristics of the ZnO nanorods exhibited a clear rectifying behaviour. This rectifying behaviour was attributed to the formation of a Schottky contact between the Au coated atomic force microscopy (AFM) tip and ZnO nanorod (nano-M/SC) which was dominated by the surface states in ZnO itself. Photo-assisted conductive AFM (PC-AFM) was used to demonstrate how the I V characteristics are influenced by the surface states. Our I V results also showed that the nano-M/SCs had a good photo-electric switching effect at reverse bias.
Cheng Gang
Cheng Ke
Dai Shuxi
Du Zuliang
Li Linsong
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