Demonstration of photoluminescence in nonanodized silicon

J. Sarathy, S. Shih, Kim Jung, C. Tsai, K. H. Li, D. L. Kwong, J. C. Campbell, Shueh Lin Yau, A. J. Bard

研究成果: 雜誌貢獻期刊論文同行評審

91 引文 斯高帕斯(Scopus)

摘要

The formation of photoluminescent porous Si in an etchant solution made from the HF-HNO3-CH3COOH system is reported. The porous Si is characterized on the basis of its photoluminescence (PL) spectra and the degradation of the PL during exposure to laser irradiation. The surface topography as characterized by atomic force microscopy (AFM) reveals features on the order of 400-600 Å. The effect of annealing the porous Si in vacuum on the PL intensity is described and correlated to the breakdown of Si - H bonds on the porous Si surface.

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頁(從 - 到)1532-1534
頁數3
期刊Applied Physics Letters
60
發行號13
DOIs
出版狀態已出版 - 1992

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