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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/12531

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/12531

Title:	Theoretical Investigation of Auger Recombination on Internal Quantum Efficiency of Blue Light-emitting Diodes
Authors:	Yen, S. H.;Tsai, M. C.;Tsai, M. L.;Shen, Y. J.;Hsu, T. C.;Kuo, Yen-Kuang
Contributors:	物理學系
Date:	2009-11
Issue Date:	2012-07-19T01:48:36Z
Publisher:	SpringerLink
Abstract:	The Auger recombination is recently proposed as one of the possible origins for the deteriorated internal quantum efficiency of InGaN light-emitting diodes. The Auger recombination behavior is quite different under widely varied Auger coefficients. The effect of Auger coefficient on the efficiency and output power is investigated numerically. The simulation results indicate that the Auger recombination with large Auger coefficient greatly decreases the efficiency in the whole current range under study. It is found that the electron current leakage and nonuniform hole distribution are the possible mechanisms responsible for the efficiency droop at high injection current.
Relation:	Applied Physics A: Materials Science & Processing, 97(3): 705-708
Appears in Collections:	[Department of Physics] Periodical Articles

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