Radiative and nonradiative recombinations in efficient light-emitting metal-oxide-silicon tunneling diodes

Miin-Jang Chen; Jui-Fen Chang; Eih-Zhe Liang; Ching-Fuh Lin; Chee Wee Liu; Chen S. Tsai

doi:10.1117/12.528318

19 November 2003 Radiative and nonradiative recombinations in efficient light-emitting metal-oxide-silicon tunneling diodes

Miin-Jang Chen, Jui-Fen Chang, Eih-Zhe Liang, Ching-Fuh Lin, Chee Wee Liu, Chen S. Tsai

Author Affiliations +

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.528318
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

The radiative and nonradiative recombinations involved in efficient light-emitting metal-oxide-silicon tunneling diodes have been studied. The radiative recombination coefficient in the silicon light-emitting diode was previously found by us to be one order of magnitude greater than that of the bulk silicon. However, the nonradiative Shockley-Read-Hall recombination still dominates the carrier recombination processes near the Si/SiO₂ interface. In the present work, we show by using the voltage-dependent photoluminescence that the position of the Fermi level near the Si/SiO₂ interface significantly influences the nonradiative recombination rates. The nonradiative recombination states are shown to capture electrons much more effectively. This study suggests that significant reduction in nonradiative recombination is essential for efficient light emission from silicon.

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Miin-Jang Chen, Jui-Fen Chang, Eih-Zhe Liang, Ching-Fuh Lin, Chee Wee Liu, and Chen S. Tsai "Radiative and nonradiative recombinations in efficient light-emitting metal-oxide-silicon tunneling diodes", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.528318

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