Luminescent colloidal silicon particles
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Anton Fojtik; Arnim Henglein
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Article
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1994
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Elsevier Science
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English
β 442 KB
Crystalline silicon particles, which are coated by an oxide layer, are prepared by combustion of silane. Red or orange luminescence is activated by etching them in a 1: 1 cyclohexane-propanol-2 suspension by aqueous hydrogen fluoride in the presence of air. The temporal changes in the luminescence i