光电子学
材料科学
量子点
纳米孔
发光二极管
氮化镓
二极管
铟镓氮化物
透射率
光散射
RGB颜色模型
薄脆饼
吸收(声学)
光学
散射
纳米技术
图层(电子)
物理
复合材料
计算机科学
操作系统
作者
Jie Song,Jin-Ho Kang,Jung Han
出处
期刊:ACS applied electronic materials
[American Chemical Society]
日期:2021-10-29
卷期号:3 (11): 4877-4881
被引量:13
标识
DOI:10.1021/acsaelm.1c00700
摘要
We report the use of colloidal quantum dots (QDs) embedded in nanoporous (NP) gallium nitride (GaN) as a color converter to achieve different emission colors and fabricate micro-light-emitting diodes (micro-LEDs). The optical property of NP-GaN has been studied by analyzing the light transmittance propagating in NP-GaN. A strong light scattering effect can be induced by NP-GaN, resulting in a dramatically increased optical transmission path for blue light and high light absorption by QDs loaded inside NP-GaN. A 4 in. color converter has been achieved with a wavelength deviation of 1 nm across the entire wafer. Monolithic red, green, and blue micro-LEDs have been fabricated with a pixel size of around 35 × 35 μm2.
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