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Porous silicon and its application test for photovoltaic devices

✍ Scribed by Wei Guang-Pu; Zheng Yi-Ming; Huang Zhao-Jian; Li Yu; Feng Jing-wei; Mo Yio-Wu

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
706 KB
Volume
35
Category
Article
ISSN
0927-0248

No coin nor oath required. For personal study only.

✦ Synopsis

Porous silicon was prepared by anodization of a p/p+ epitaxial c-Si wafer. Its structure was examined by electron microscopy, Raman spectroscopy, and infrared spectroscopy. The results of the examination show that the porous Si consists of many nano-scale pores and crystalline slices, and that there is a thin molecular film containing Si-H, Si-0 and Si-H 2 bonds at the surface of the slices. Some solar cells were fabricated from the porous Si wafers, and about 7% efficiency was obtained.

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