Enhance the responsivity and response speed of self-powered ultraviolet photodetector by GaN/CsPbBr3 core-shell nanowire heterojunction and hydrogel

J Zhang, B Jiao, J Dai, D Wu, Z Wu, L Bian, Y Zhao… - Nano Energy, 2022 - Elsevier
Due to the low power consumption, self-powered ultraviolet (UV) photodetectors (PDs) are
essential for the next-generation optoelectronic applications. In this work, it is pretty novel to …

Enhanced light extraction of the deep-ultraviolet micro-LED via rational design of chip sidewall

M Tian, H Yu, MH Memon, Z Xing, C Huang, H Jia… - Optics Letters, 2021 - opg.optica.org
In this Letter, we perform a comprehensive investigation on the optical characterization of
micro-sized deep-ultraviolet (DUV) LEDs (micro-LEDs) emitting below 280 nm, highlighting …

Fabrication of AlGaN nanorods with different Al compositions for emission enhancement in UV range

J Dai, B Liu, Z Zhuang, G He, T Zhi, T Tao, Q Xu… - …, 2017 - iopscience.iop.org
Abstract Highly ordered Al x Ga 1− x N nanorods with varied aluminum alloy compositions
(0.18≤ x≤ 0.8) are fabricated with nanoimprint lithography and top-down dry etching …

Investigation of AlGaN-Delta–GaN-Based UV Photodiodes in a Metal–Semiconductor–Metal Configuration for Efficient and Fast Solar Blind UV Sensing

SF Nwabunwanne, B Melanson… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Metal–semiconductor–metal (MSM) configured UV photodiodes (PD's) were designed and
fabricated on an AlGaN/GaN–based substrate for efficient and ultrafast UV detection. The …

Promoting light extraction efficiency of Ultraviolet Light Emitting diodes by Nanostructure Optimization

B Li, S Xia, W Guo, Z Yang, Y Zeng, Z Yuan, J Ye - Crystals, 2022 - mdpi.com
Ultraviolet (UV) light-emitting diodes (LEDs), as one of the more promising optoelectronic
devices, are intrinsically limited by poor light extraction efficiencies (LEEs). To unlock the full …

Structure design for light‐extraction enhancement of UVC‐LED

Q Liu, AC Wei - Nano Select, 2024 - Wiley Online Library
UVC‐LEDs have drawn attention recently because of their benefits to sterilization,
decontamination, etc. Since the internal quantum efficiency and light extraction efficiency …

Assesment of a model to calculate the refractive index of AlXGa1-XN epilayers using the multi-oscillator model simulation of the infrared reflectance

JAA Engelbrecht, EG Minnaar, EE van Dyk… - Physica B: Condensed …, 2022 - Elsevier
A formula for the calculation of the refractive index of Al X Ga 1-XN in the infrared region has
previously been proposed. In this paper, the validity of the proposed model is assessed …

[图书][B] Design, Fabrication and Characterization of Efficient and Ultrafast Ultraviolet Photodiodes Based on Aluminum Gallium Nitride/gallium Nitride Heterostructures

SF Nwabunwanne - 2023 - search.proquest.com
Design, Fabrication and Characterization of Efficient and Ultrafast Ultraviolet Photodiodes
Based on Aluminum Gallium Nitride/gallium Nitride Heterostructures Abstract Ultraviolet …

Absorption of Al (GaN) N nanorod arrays with geometrical tuning

Y Yu, Y Gu, N Lu, G Liu, S Li, H Niu… - … Journal of Numerical …, 2022 - Wiley Online Library
We theoretically demonstrate that Al (Ga) N nanorod arrays (NRAs) exhibit tunable
absorption and achieve selective resonant absorption according to different Al mole factions …

Comments on a peak of AlxGa1− xN observed by infrared reflectance

G Marx, JAA Engelbrecht, ME Lee, MC Wagener… - Infrared Physics & …, 2016 - Elsevier
Al x Ga 1− x N epilayers, grown on c-plane oriented sapphire substrates by metal organic
chemical vapour deposition (MOCVD), were evaluated using FTIR infrared reflectance …