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Study on Modulation Bandwidth and Light Extraction Efficiency of Flip-Chip Light-Emitting Diode with Photonic Crystals
Open AccessReview

Surface/Interface Engineering for Constructing Advanced Nanostructured Light-Emitting Diodes with Improved Performance: A Brief Review

by Lianzhen Cao 1,2, Xia Liu 1,2,*, Zhen Guo 2,3,4,* and Lianqun Zhou 2,5,*
1
Department of Physics and Optoelectronic Engineering, Weifang University, Weifang 261061, China
2
CASKey Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China
3
Shandong Guo Ke Medical Technology Development Co., Ltd., Jinan 25001, China
4
Zhongke Mass Spectrometry (Tianjin) Medical Technology Co., Ltd. Tianjin 300399, China
5
Jihua Laboratory, Foshan 528200, China
*
Authors to whom correspondence should be addressed.
Micromachines 2019, 10(12), 821; https://doi.org/10.3390/mi10120821
Received: 1 November 2019 / Revised: 21 November 2019 / Accepted: 25 November 2019 / Published: 27 November 2019
(This article belongs to the Special Issue Nanostructured Light-Emitters)
With the rise of nanoscience and nanotechnologies, especially the continuous deepening of research on low-dimensional materials and structures, various kinds of light-emitting devices based on nanometer-structured materials are gradually becoming the natural candidates for the next generation of advanced optoelectronic devices with improved performance through engineering their interface/surface properties. As dimensions of light-emitting devices are scaled down to the nanoscale, the plentitude of their surface/interface properties is one of the key factors for their dominating device performance. In this paper, firstly, the generation, classification, and influence of surface/interface states on nanometer optical devices will be given theoretically. Secondly, the relationship between the surface/interface properties and light-emitting diode device performance will be investigated, and the related physical mechanisms will be revealed by introducing classic examples. Especially, how to improve the performance of light-emitting diodes by using factors such as the surface/interface purification, quantum dots (QDs)-emitting layer, surface ligands, optimization of device architecture, and so on will be summarized. Finally, we explore the main influencing actors of research breakthroughs related to the surface/interface properties on the current and future applications for nanostructured light-emitting devices. View Full-Text
Keywords: nanostructured materials; surface/interface properties; nanostructured light-emitting devices; physical mechanism; surface/interface modification; surface/interface control nanostructured materials; surface/interface properties; nanostructured light-emitting devices; physical mechanism; surface/interface modification; surface/interface control
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Cao, L.; Liu, X.; Guo, Z.; Zhou, L. Surface/Interface Engineering for Constructing Advanced Nanostructured Light-Emitting Diodes with Improved Performance: A Brief Review. Micromachines 2019, 10, 821.

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