Current advances in solar-blind photodetection technology: Using Ga 2 O 3 and AlGaN

U Varshney, N Aggarwal, G Gupta - Journal of Materials Chemistry C, 2022 - pubs.rsc.org
The rapid spread of the novel coronavirus disease (COVID-19) and emergence of different
variants worldwide have caused a pandemic. With the sudden outbreak of this virus …

Ultraviolet photodetectors: From photocathodes to low-dimensional solids

A Rogalski, Z Bielecki, J Mikołajczyk, J Wojtas - Sensors, 2023 - mdpi.com
The paper presents the long-term evolution and recent development of ultraviolet
photodetectors. First, the general theory of ultraviolet (UV) photodetectors is briefly …

Ultra‐High Performance Amorphous Ga2O3 Photodetector Arrays for Solar‐Blind Imaging

Y Qin, LH Li, Z Yu, F Wu, D Dong, W Guo… - Advanced …, 2021 - Wiley Online Library
The growing demand for scalable solar‐blind image sensors with remarkable photosensitive
properties has stimulated the research on more advanced solar‐blind photodetector (SBPD) …

High responsivity and flexible deep-UV phototransistor based on Ta-doped β-Ga2O3

XX Li, G Zeng, YC Li, H Zhang, ZG Ji, YG Yang… - npj Flexible …, 2022 - nature.com
Deep-ultraviolet (DUV) phototransistors have shown great potential applications in UV
imaging, artificial intelligence, and wearable optoelectronics. Among a large number of wide …

Demonstration of AlGaN/GaN-based ultraviolet phototransistor with a record high responsivity over 3.6× 107 A/W

H Zhang, F Liang, K Song, C Xing, D Wang… - Applied Physics …, 2021 - pubs.aip.org
In this work, we demonstrate a high-performance ultraviolet phototransistor (UVPT) based
on the AlGaN/GaN high-electron mobility transistor (HEMT) configuration. When the device …

Polarimetric image sensor and fermi level shifting induced multichannel transition based on 2D PdPS

X Wang, T Xiong, K Zhao, Z Zhou, K Xin… - Advanced …, 2022 - Wiley Online Library
Abstract 2D materials have been attracting high interest in recent years due to their low
structural symmetry, excellent photoresponse, and high air stability. However, most 2D …

[HTML][HTML] Improved response speed of β-Ga2O3 solar-blind photodetectors by optimizing illumination and bias

Y Wang, S Li, J Cao, Y Jiang, Y Zhang, W Tang, Z Wu - Materials & Design, 2022 - Elsevier
Abstract Ga 2 O 3-based solar-blind ultraviolet photodetectors (PDs) have stimulated
extensive attention for covering both civilian and military applications. During the past …

The road ahead for ultrawide bandgap solar-blind UV photodetectors

A Kalra, UU Muazzam, R Muralidharan… - Journal of Applied …, 2022 - pubs.aip.org
This Perspective seeks to understand and assess why ultrawide bandgap (UWBG)
semiconductor-based deep-UV photodetectors have not yet found any noticeable presence …

Aqueous‐Printed Ga2O3 Films for High‐Performance Flexible and Heat‐Resistant Deep Ultraviolet Photodetector and Array

M Ding, K Liang, S Yu, X Zhao, H Ren… - Advanced Optical …, 2022 - Wiley Online Library
High deep‐ultraviolet (DUV) sensitivity and excellent flexibility of ultrathin gallium oxide
(Ga2O3) film with an ultrawide bandgap endow its extreme propensity in flexible DUV …

Ultrahigh‐Performance Solar‐Blind Photodetectors Based on High Quality Heteroepitaxial Single Crystalline β‐Ga2O3 Film Grown by Vacuumfree, Low‐Cost Mist …

Y Xu, Y Cheng, Z Li, D Chen, S Xu… - Advanced Materials …, 2021 - Wiley Online Library
Due to the suitable bandgap, superior chemical and physical properties, the β‐phase
gallium oxide (β‐Ga2O3) has the great potential to fabricate the deep ultraviolet solar‐blind …