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On the ideality factor of the radiative recombination current in semiconductor light-emitting diodes

Title
On the ideality factor of the radiative recombination current in semiconductor light-emitting diodes
Author
신동수
Keywords
Diffusion; Light emitting diodes; Electroluminescence; Semiconductors; Quantum wells; Excitons; Carrier density; Current density; Semiconductor diodes
Issue Date
2016-07
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v. 109, NO 3, Page. 311041-311044
Abstract
While there have been many discussions on the standard Si pn-diodes, little attention has been paid and confusion still arises on the ideality factor of the radiative recombination current in semiconductor light-emitting diodes (LEDs). In this letter, we theoretically demonstrate and experimentally confirm by using blue and infrared semiconductor LEDs that the ideality factor of the radiative recombination current is unity especially for low-current-density ranges. We utilize the data of internal quantum efficiency measured by the temperature-dependent electroluminescence to separate the radiative current component from the total current. Published by AIP Publishing.
URI
https://aip.scitation.org/doi/10.1063/1.4959081https://repository.hanyang.ac.kr/handle/20.500.11754/74355
ISSN
0003-6951; 1077-3118
DOI
10.1063/1.4959081
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > BIONANOTECHNOLOGY(바이오나노학과) > Articles
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