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通过阳极氧化铝提高倒装芯片蓝光发光二极管的光提取效率

Light extraction efficiency enhancement of flip-chip blue light-emitting diodes by anodic aluminum oxide.

作者信息

Huang Yi-Ru, Chiu Yao-Ching, Huang Kuan-Chieh, Ting Shao-Ying, Chiang Po-Jui, Lai Chih-Ming, Jen Chun-Ping, Tseng Snow H, Wang Hsiang-Chen

机构信息

Graduate Institute of Photonics and Optoelectronics, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 10617, Taiwan.

Graduate Institute of Opto-Mechatronics, National Chung Cheng University, 168 University Rd., Min-Hsiung, Chia-Yi 62102, Taiwan.

出版信息

Beilstein J Nanotechnol. 2018 May 30;9:1602-1612. doi: 10.3762/bjnano.9.152. eCollection 2018.

DOI:10.3762/bjnano.9.152
PMID:29977694
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6009532/
Abstract

We produced an anodic aluminum oxide (AAO) structure with periodic nanopores on the surface of flip-chip blue light-emitting diodes (FC-BLEDs). The nanopores had diameters ranging from 73 to 85 nm and were separated by distances ranging from approximately 10 to 15 nm. The light extraction efficiency enhancement of the FC-BLEDs subjected to different durations of the second pore-widening process was approximately 1.6-2.9%. The efficiency enhancement may be attributed to the following mechanism: periodic nanopores on the surface of FC-BLEDs reduce the critical angle of total reflection and effective energy transfer from a light emitter into a surface plasmon mode produced by AAO.

摘要

我们在倒装芯片蓝光发光二极管（FC-BLED）表面制备了一种具有周期性纳米孔的阳极氧化铝（AAO）结构。纳米孔的直径范围为73至85纳米，间距约为10至15纳米。经过不同时长第二次扩孔处理的FC-BLED的光提取效率提高了约1.6 - 2.9%。效率提高可能归因于以下机制：FC-BLED表面的周期性纳米孔降低了全反射临界角，并实现了从发光体到由AAO产生的表面等离子体模式的有效能量转移。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/18080f95c202/Beilstein_J_Nanotechnol-09-1602-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/29adc1f4681f/Beilstein_J_Nanotechnol-09-1602-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/99e7f40f97cd/Beilstein_J_Nanotechnol-09-1602-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/386e3c05fbca/Beilstein_J_Nanotechnol-09-1602-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/6034862ce163/Beilstein_J_Nanotechnol-09-1602-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/a930067ef6b0/Beilstein_J_Nanotechnol-09-1602-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/984051d0810b/Beilstein_J_Nanotechnol-09-1602-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/74b7abbdebec/Beilstein_J_Nanotechnol-09-1602-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/7256272a9c7d/Beilstein_J_Nanotechnol-09-1602-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/f3f1a5a9b10f/Beilstein_J_Nanotechnol-09-1602-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/06cca15f8ca2/Beilstein_J_Nanotechnol-09-1602-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/ef6624d03a34/Beilstein_J_Nanotechnol-09-1602-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/18080f95c202/Beilstein_J_Nanotechnol-09-1602-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/29adc1f4681f/Beilstein_J_Nanotechnol-09-1602-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/99e7f40f97cd/Beilstein_J_Nanotechnol-09-1602-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/386e3c05fbca/Beilstein_J_Nanotechnol-09-1602-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/6034862ce163/Beilstein_J_Nanotechnol-09-1602-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/a930067ef6b0/Beilstein_J_Nanotechnol-09-1602-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/984051d0810b/Beilstein_J_Nanotechnol-09-1602-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/74b7abbdebec/Beilstein_J_Nanotechnol-09-1602-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/7256272a9c7d/Beilstein_J_Nanotechnol-09-1602-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/f3f1a5a9b10f/Beilstein_J_Nanotechnol-09-1602-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/06cca15f8ca2/Beilstein_J_Nanotechnol-09-1602-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/ef6624d03a34/Beilstein_J_Nanotechnol-09-1602-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0579/6009532/18080f95c202/Beilstein_J_Nanotechnol-09-1602-g013.jpg

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