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Electrical Current Suppression in Pd-Doped Vanadium Pentoxide Nanowires caused by Reduction in PdO Due to Hydrogen Exposure
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- Authors
- Byung Hoon Kim, Soon-Young Oh, Hu Young Jeong, Han Young Yu, Yong Ju Yun, Yark Yeon Kim, Won G. Hong, Jeong Yong Lee, Hae Jin Kim
- Issue Date
- 2010-04
- Citation
- Applied Physics Letters, v.96, no.16, pp.1-3
- ISSN
- 0003-6951
- Publisher
- American Institute of Physics (AIP)
- Language
- English
- Type
- Journal Article
- Abstract
- Pd nanoparticle-doped vanadium pentoxide nanowires (Pd-VONs) were synthesized. Electrical current suppression was observed when the Pd-VON was exposed to hydrogen gas, which cannot be explained by the work function changes mentioned in previous report such as Pd-doped carbon nanotubes and SnO 2 nanowires. Using the x-ray photoelectron spectroscopy, we found that the reduction in PdO due to hydrogen exposure plays an important role in the current suppression of the Pd-VON. © 2010 American Institute of Physics.
- KSP Keywords
- Carbon nano-tube(CNT), Doped carbon nanotubes, Hydrogen exposure, Pd nanoparticle, Pd-doped, SnO 2, Work function changes, X-Ray Photoelectron Spectroscopy, electrical current, hydrogen gas, vanadium pentoxide