Effects of interface modification by H2O2 treatment on the electrical properties of n-type ZnO/p-type Si diodes

Guan Ru He, Yow Jon Lin, Hsing Cheng Chang, Ya Hui Chen

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

The fabrication and detailed electrical properties of heterojunction diodes based on n-type ZnO and p-type Si were reported. The effect of interface modification by H2O2 treatment on the electrical properties of n-type ZnO/p-type Si diodes was investigated. The n-type ZnO/p-type Si diode without H2O2 treatment showed a poor rectifying behavior with an ideality factor (n) of 2.5 and high leakage, indicating that the interfacial ZnSixOy layer influenced the electronic conduction through the device. However, the n-type ZnO/p-type Si diode with H2O2 treatment showed a good rectifying behavior with n of 1.3 and low leakage. This is because the thin SiOx layer acts as a thermodynamically stable buffer layer to suppress interfacial reaction between ZnO and Si. In addition, the enhanced photo-responsivity can be interpreted by the device rectifying performance and interface passivation.

原文English
頁(從 - 到)154-157
頁數4
期刊Thin Solid Films
525
DOIs
出版狀態Published - 2012 十二月 15

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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