Chemical treatment of photoluminescent porous silicon

Porous silicon layers formed by electrochemical anodizing show photoluminescence in the visible region. We report on the effect of chemical treatments such as hydrofluoric acid dip, ammonium fluoride solution treatment and boiling water treatment on the photoluminescence of porous silicon. In view o...

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Bibliographic Details
Published in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 1994-04, Vol.23 (2), p.L13-L15
Main Authors: Vadjikar, R.M., Jain, B., Gupta, P.K., Nandedkar, R.V., Bhawalkar, D.D., Patni, M.J., Srinivasa, R., Chandorkar, A.N.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other solid inorganic materials
Photoluminescence
Physics
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Summary:Porous silicon layers formed by electrochemical anodizing show photoluminescence in the visible region. We report on the effect of chemical treatments such as hydrofluoric acid dip, ammonium fluoride solution treatment and boiling water treatment on the photoluminescence of porous silicon. In view of our results the mechanism of photoluminescence of porous silicon is discussed.
ISSN:0921-5107
1873-4944
DOI:10.1016/0921-5107(94)90350-6