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Author:

Li Chun-Wei (Li Chun-Wei.) | Zhu Yan-Xu (Zhu Yan-Xu.) | Shen Guang-Di (Shen Guang-Di.) | Zhang Yong-Hui (Zhang Yong-Hui.) | Qin Yuan (Qin Yuan.) | Gao Wei (Gao Wei.) | Jiang Wen-Jing (Jiang Wen-Jing.) | Zhou De-Shu (Zhou De-Shu.)

Indexed by:

EI Scopus SCIE CSCD

Abstract:

In this paper AlGaInP light emitting diodes with different types of electrodes: Au/Zn/Au-ITO Au/Ti-ITO Au/Ge/Ni-ITO and Au-ITO are fabricated. The photoelectricity properties of those LEDs are studied. The results show that the Au/Zn/Au electrode greatly improves the performance of LEDs compared with the other electrodes. Because the Au/Zn/Au electrode not only forms a good Ohmic contact with indium tin oxide (ITO), but also reduces the specific contact resistances between ITO and GaP, which are 1.273x10(-6) Omega.cm(2) and 1.743x10(-3) Omega.cm(2) between Au/Zn/Au-ITO and ITO-GaP respectively. Furthermore, the textured Zn/Au-ITO/Zn electrode is designed to improve the performances of LEDs, reduce the forward-voltage of the LED from 1.93 to 1.88 V, and increase the luminous intensity of the LEDs from 126 to 134 mcd when driven at 20 mA.

Keyword:

light emitting diode tunneling Zn/Au-ITO/Zn Ohmic contact

Author Community:

  • [ 1 ] [Li Chun-Wei]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China
  • [ 2 ] [Zhu Yan-Xu]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China
  • [ 3 ] [Shen Guang-Di]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China
  • [ 4 ] [Zhang Yong-Hui]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China
  • [ 5 ] [Qin Yuan]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China
  • [ 6 ] [Gao Wei]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China
  • [ 7 ] [Jiang Wen-Jing]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China
  • [ 8 ] [Zhou De-Shu]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China

Reprint Author's Address:

  • [Li Chun-Wei]Beijing Univ Technol, Inst Elect Engn & Informat, Beijing Optoelect Technol Lab, Beijing 100022, Peoples R China

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Source :

CHINESE PHYSICS B

ISSN: 1674-1056

Year: 2010

Issue: 9

Volume: 19

1 . 7 0 0

JCR@2022

ESI Discipline: PHYSICS;

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 13

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