P-cu 2o-shell/n-tio 2-nanowire-core heterostucture photodiodes

Tsung Ying Tsai, Shoou Jinn Chang, Ting Jen Hsueh, Han Ting Hsueh, Wen Yin Weng, Cheng Liang Hsu, Bau Tong Dai

研究成果: Article同行評審

48 引文 斯高帕斯(Scopus)

摘要

This study reports the deposition of cuprous oxide [Cu 2O] onto titanium dioxide [TiO 2] nanowires [NWs] prepared on TiO 2/glass templates. The average length and average diameter of these thermally oxidized and evaporated TiO 2 NWs are 0.1 to 0.4 μm and 30 to 100 nm, respectively. The deposited Cu 2O fills gaps between the TiO 2 NWs with good step coverage to form nanoshells surrounding the TiO 2 cores. The p-Cu 2O/n-TiO 2 NW heterostructure exhibits a rectifying behavior with a sharp turn-on at approximately 0.9 V. Furthermore, the fabricated p-Cu 2O-shell/n-TiO 2-nanowire-core photodiodes exhibit reasonably large photocurrent-to-dark-current contrast ratios and fast responses.

原文English
文章編號575
頁(從 - 到)1-7
頁數7
期刊Nanoscale Research Letters
6
DOIs
出版狀態Published - 2011

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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