Size-controlled percolation pathways for electrical conduction in porous silicon

Abstract

Silicon shows photo- and electroluminescence at visible wavelengths when chemically etched into a microporous network of ‘wires’ several nanometres thick. This raises the possibility of a silicon-based optoelectronic technology. The luminescence properties may be understood on the basis of the injection or creation of electrons and holes in the… (More)
DOI: 10.1038/30924

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