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Formation and Photoluminescence Properties of Porous Silicon Produced in Iodine‐Containing Electrolytes

✍ Scribed by T. V. Voloshina; T. N. Zavaritskaya; I. V. Kavetskaya; V. A. Karavanskii; D. A. Romashov

Book ID
110345965
Publisher
Springer US
Year
2002
Tongue
English
Weight
128 KB
Volume
69
Category
Article
ISSN
0021-9037

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## Abstract Stain etching of silicon in aqueous solutions composed of FeCl~3~ + HF + concentrated (HClO~4~ or H~2~SO~4~) leads to highly luminescent porous Si with a unique dual layer structure. The upper layer (∼3 μm thick) exhibits bluer luminescence (peaked at 560–590 nm) and a porosity in exces