Methods to Make Silicon and Silica Luminescent

Liang Huo; Yong Heng Zhou; Qing Mao Zhang; Song Hao Liu

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

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 152-153Methods to Make Silicon and Silica Luminescent

Methods to Make Silicon and Silica Luminescent

Abstract:

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.

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Advanced Materials Research (Volumes 152-153)

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1142-1145

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https://doi.org/10.4028/www.scientific.net/AMR.152-153.1142

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October 2010

Authors:

Liang Huo, Yong Heng Zhou, Qing Mao Zhang, Song Hao Liu

Keywords:

Defect, Photoluminescence (PL), Silica, Silicon

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