ZnO branched nanowires and the p-CuO/n-ZnO heterojunction nanostructured photodetector

Sheng Bo Wang, Chih Hung Hsiao, Shoou-Jinn Chang, Z. Y. Jiao, Sheng Joue Young, Shang Chao Hung, Bohr Ran Huang

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

The authors report the growth of ZnO branched nanowires on the CuO nanowires and the fabrication of p-CuO/n-ZnO heterojunction nanostructured photodetector (PD). It was found that the hydrothermally grown ZnO branched nanowires were reasonably uniform with an average length of 200 nm and an average diameter of 50 nm. Under forward bias, it was found that turn on voltage of the fabricated PD reduced from ∼0.7 to ∼0.2 V under ultraviolet (UV) illumination. It was also found that UV-to-visible rejection ratio of the fabricated device was larger than 100.

Original languageEnglish
Article number6423930
Pages (from-to)263-269
Number of pages7
JournalIEEE Transactions on Nanotechnology
Volume12
Issue number2
DOIs
Publication statusPublished - 2013 Mar 19

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

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