Fabrication and properties of ZnO nanorods within silicon nanostructures for solar cell application

ZnO nanorods (NRs) were synthesized via a two-step hydrothermal method on silicon (Si) nano-textured solar cells. The optical and photovoltaic properties of silicon nanostructures coated with ZnO NRs were measured and discussed. It was found that silicon nanostructures combined with ZnO NRs can maxi...

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Veröffentlicht in:Applied physics letters 2015-02, Vol.106 (5)
Hauptverfasser: Feng, Zezeng, Jia, Rui, Dou, Bingfei, Li, Haofeng, Jin, Zhi, Liu, Xinyu, Li, Feng, Zhang, Wei, Wu, Chenyang
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Sprache:eng
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Zusammenfassung:ZnO nanorods (NRs) were synthesized via a two-step hydrothermal method on silicon (Si) nano-textured solar cells. The optical and photovoltaic properties of silicon nanostructures coated with ZnO NRs were measured and discussed. It was found that silicon nanostructures combined with ZnO NRs can maximize the light absorption and significantly enhance the electrode contact and carrier transport ability. The series resistance was reduced from 0.98 Ω to 0.45 Ω, and short circuit current density was dramatically increased from 22.5 mA/cm2 to 27.9 mA/cm2 due to the incorporation of the ZnO NRs. The experimental results show the potential of ZnO NRs' application to the enhancement of the performance of nano-textured solar cells.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4907645