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  1. NTU Scholars
  2. 電機資訊學院
  3. 電機工程學系
Please use this identifier to cite or link to this item: https://scholars.lib.ntu.edu.tw/handle/123456789/606991
Title: Analysis of Size-Dependent Quantum Efficiency in AlGaInP Micro-Light-Emitting Diodes with Consideration for Current Leakage
Authors: Li Y.-Y
Lin F.-Z
Chi K.-L
Weng S.-Y
Lee G.-Y
Kuo H.-C
Lin C.-C.
CHIEN-CHUNG LIN 
Keywords: Display;leakage current;light-emitting diode;quantum well device;radiative recombination;Aluminum alloys;Efficiency;Gallium alloys;III-V semiconductors;Indium alloys;Leakage currents;Light;Light emitting diodes;Passivation;Photovoltaic cells;Quantum efficiency;Semiconductor alloys;Semiconductor quantum wells;Solar cells;Cell chips;Current leakage;Faster rates;Lightemitting diode;Quantum well device;Radiative recombination;Semiconductor device measurements;Size dependent;Photoelectrochemical cells
Issue Date: 2022
Journal Volume: 14
Journal Issue: 1
Source: IEEE Photonics Journal
Abstract: 
This study fabricated and analyzed AlGaInP-based red micro-light-emitting diodes (LEDs) ranging from 2 to 15 μm in size. To collect photons from a single micro-LED at this scale, a solar cell chip near the micro-LEDs was used. Quantum efficiency decreased at a faster rate than that predicted by the standard ABC model under high currents, and a leakage current component was added to fully describe this phenomenon. The modified model can be used to extract valuable information regarding the micro-LEDs, such as the Shockley-Read-Hall coefficient. A size dependency analysis revealed that the bulk Shockley-Read-Hall coefficient and surface recombination velocity of the micro-LEDs were 6.81 × 107 1/sec and 5.99 × 104 cm/sec, respectively. Further analysis of the size-dependent recombination effect can help us solve the side wall problem and maximize the light output of AlGaInP-based micro-LEDs for ultrahigh-resolution displays. ? 2009-2012 IEEE.
URI: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85122306946&doi=10.1109%2fJPHOT.2021.3138946&partnerID=40&md5=df89ed4867d8ae8b9213452dd2a43c40
https://scholars.lib.ntu.edu.tw/handle/123456789/606991
ISSN: 19430655
DOI: 10.1109/JPHOT.2021.3138946
SDG/Keyword: [SDGs]SDG7
Appears in Collections:電機工程學系

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臺大位居世界頂尖大學之列,為永久珍藏及向國際展現本校豐碩的研究成果及學術能量,圖書館整合機構典藏(NTUR)與學術庫(AH)不同功能平台,成為臺大學術典藏NTU scholars。期能整合研究能量、促進交流合作、保存學術產出、推廣研究成果。

To permanently archive and promote researcher profiles and scholarly works, Library integrates the services of “NTU Repository” with “Academic Hub” to form NTU Scholars.

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