Improved photovoltaic performance of multiple carbon-doped Zno nanostructures under UV and visible light irradiation

Xianbin Liu, Hejun Du, Xiao Wei Sun, Zhaoyao Zhan, Gengzhi Sun, Fengji Li, Lianxi Zheng, Sam Zhang

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We report synthesis of multiple carbon-doped ZnO nanostructures by using carbon cloth as substrates to obtain multiple hollow ZnO microtube-nanowire structures. X-ray diffraction, X-ray photoelectron spectroscopy, and transmission electron microscopy analysis clearly show that carbon is doped into ZnO through substitution of carbon for oxygen in the growth and annealing processes. Upon exposure to 633-nm red laser, a distinct photoresponse can be observed, which indicates that carbon doping in ZnO can well extend its light harvesting to visible light region. Furthermore, a prototype of photovoltaic cell was fabricated to demonstrate the photovoltaic performance of multiple carbon-doped ZnO nanostructures under UV and visible light irradiation. This result shows that carbon-doped ZnO can act as effective photoactive materials for photoelectric components.Copyright

Original languageBritish English
Pages (from-to)7066-7071
Number of pages6
JournalJournal of Nanoscience and Nanotechnology
Volume14
Issue number9
DOIs
StatePublished - 1 Sep 2014

Keywords

  • Carbon-Doped
  • Microtube-Nanowire structures
  • Visible-Light photoresponse.
  • ZnO nanostructures

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