Methods to Make Silicon and Silica Luminescent

Abstract:

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The development of adding optical functionality to a silicon microelectronic chip is still a great challenge in material research area. Silicon and its oxide are not luminescent for they do not possess direct electronic band transition. Here we demonstrate that room-temperature photoluminescence (PL) has been observed from silicon/silicon dioxide laser sintered body with its strongest PL intensity peak being at 387 nm (3.20 eV) and another peaked near 788 nm (1.60 eV). The effects of silicon/silicon oxide particle diameters and silicon contents on room-temperature PL of their laser co-sintering samples were studied. It was found that the PL peak intensity changes with the increasing silicon content.

Info:

Periodical:

Advanced Materials Research (Volumes 152-153)

Edited by:

Zhengyi Jiang, Jingtao Han and Xianghua Liu

Pages:

1142-1145

DOI:

10.4028/www.scientific.net/AMR.152-153.1142

Citation:

L. Huo et al., "Methods to Make Silicon and Silica Luminescent", Advanced Materials Research, Vols. 152-153, pp. 1142-1145, 2011

Online since:

October 2010

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$35.00

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