Microcrystalline and Porous on Microcrystalline Silicon thin films were produced. The photoluminescence characteristics of Porous on Microcrystalline Silicon were studied and compared with those from Microcrystalline and Porous Silicon grown on Silicon wafers. Under steady state it is possible to excite these samples with visible light at room temperature. This excitation gives rise to a red photoluminescence b...
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