Fabrication of ZnO/CuS core/shell nanoarrays for inorganic-organic heterojunction solar cells

Zhifeng Liu*, Jianhua Han, Li Han, Keying Guo, Yajun Li, Ting Cui, Bo Wang, Xiaoping Liang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Uniform CuS shell was prepared on the surface of ZnO nanorods arrays via a simple hydrothermal and ion exchange method. Then, the solid state inorganic-organic heterojunction solar cell (ITO/ZnO/CuS/P3HT/Pt) was constructed using ZnO/CuS core/shell nanoarrays as photoanode and P3HT as both hole conductor and light absorber. The thickness of CuS semiconductor sensitizer layers, which can be controlled by the immersing time of ZnO nanorods in reaction solution, has an important effect on the cell performances. And the cell efficiency up to 1.02% was obtained due to the improved absorption spectrum and appropriate energy gap structure in ZnO/CuS/P3HT.

Original languageEnglish
Pages (from-to)804-809
Number of pages6
JournalMaterials Chemistry and Physics
Volume141
Issue number2-3
DOIs
StatePublished - 16 Sep 2013
Externally publishedYes

Keywords

  • Chemical synthesis
  • Electron microscopy
  • Heterostructures
  • Nanostructures
  • Thin films

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