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Title: Using pre-TMIn treatment to improve the optical properties of green light emitting diodes
Authors: Xu, Bing
Dai, Hai Tao
Wang, Shu Guo
Chu, Fu-Chuan
Huang, Chou-Hsiung
Yu, Sheng-Fu
Zhao, Jun Liang
Sun, Xiao Wei
Lin, Ray-Ming
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2014
Source: Xu, B., Dai, H. T., Wang, S. G., Chu, F.-C., Huang, C.-H., Yu, S.-F., et al. (2014). Using Pre-TMIn Treatment to Improve the Optical Properties of Green Light Emitting Diodes. International Journal of Photoenergy, 2014, 952567-.
Series/Report no.: International journal of photoenergy
Abstract: We investigated the effects of pre-TMIn treatment on the optical properties of green light emitting diodes (LEDs). Although pre-TMIn treatment did not affect the epitaxial structure of quantum wells, it significantly improved the quality of the surface morphology relative to that of the untreated sample. Indium cluster can be seen by high-resolution transmission electron microscopy (HR-TEM), which is the explanation for the red-shift of photoluminescence (PL). Time-resolved photoluminescence measurements indicated that the sample prepared with pre-TMIn treatment had a shorter radiative decay time. As a result, the light output power of the treated green LED was higher than that of the conventional untreated one. Thus, pre-TMIn treatment appears to be a simple and efficient means of improving the performance of green LEDs.
ISSN: 1110-662X
DOI: 10.1155/2014/952567
Schools: School of Electrical and Electronic Engineering 
Rights: Copyright © 2014 Bing Xu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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