Photoelectric properties of ZnO: In nanorods/SiO 2/Si heterostructure assembled in aqueous solution

Y. W. Chen, Y. C. Liu*, S. X. Lu, C. S. Xu, C. L. Shao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

In-doped zinc oxide (ZnO:In) nanorods were grown onto SiO 2/n-Si substrate without catalyst in aqueous solution. The ZnO:In nanorods/SiO 2/n-Si heterostructure photovoltaic device was prepared. The structural and photoelectric properties of the as-grown ZnO:In nanorods were analyzed. ZnO:In nanorods had a strong and broad UV surface photovoltage response in the range of 300-400nm, and the bands were identified. The photoelectric conversion properties of ZnO:In nanorods/SiO 2/n-Si heterostructure were investigated. ZnO:In/SiO 2/n-Si heterostructure showed a wide range photocurrent spectral response with high intensity in the UV and visible region. The rectifying behavior of this heterostructure was observed. Moreover, the device had a low turn-on voltage and a high breakdown voltage. Current-voltage characteristic was studied for the heterostructure, and the open-circuit voltage and short-circuit current were obtained.

Original languageEnglish
Pages (from-to)507-510
Number of pages4
JournalApplied Physics B: Lasers and Optics
Volume84
Issue number3
DOIs
Publication statusPublished - Sept 2006

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