Two-dimensional Ta2NiSe5/GaSe van der Waals heterojunction for ultrasensitive visible and near-infrared dual-band photodetector

Y Zhang, L Huang, J Li, Z Dong, Q Yu, T Lei… - Applied Physics …, 2022 - pubs.aip.org
Dual-band photodetectors have attracted intensive attention because of the requirement of
multiband information [such as visible (VIS) and near-infrared (NIR)] in multicolor imaging …

Luminescence coupling effects on multijunction solar cell external quantum efficiency measurement

SH Lim, JJ Li, EH Steenbergen… - Progress in …, 2013 - Wiley Online Library
The effects of luminescence coupling on the external quantum efficiency (EQE)
measurement of an InGaP/InGaAs/Ge triple junction solar cell were investigated. A small …

Voltage-tunable dual-band Ge/Si photodetector operating in VIS and NIR spectral range

ET Simola, A De Iacovo, J Frigerio, A Ballabio… - Optics express, 2019 - opg.optica.org
Extending and controlling the spectral range of light detectors is very appealing for several
sensing and imaging applications. Here we report on a normal incidence dual band …

[HTML][HTML] Heterovalent semiconductor structures and devices grown by molecular beam epitaxy

YH Zhang, DJ Smith - Journal of Vacuum Science & Technology A, 2021 - pubs.aip.org
Heterovalent structures consisting of group II-VI/group III-V compound semiconductors offer
attractive properties, such as a very broad range of bandgaps, large conduction band …

Arbitrary multicolor photodetection by hetero-integrated semiconductor nanostructures

L Sang, J Hu, R Zou, Y Koide, M Liao - Scientific reports, 2013 - nature.com
The typical photodetectors can only detect one specific optical spectral band, such as
InGaAs and graphene-PbS quantum dots for near-infrared (NIR) light detection, CdS and Si …

Dual detection of ultraviolet and visible lights using a DNA-CTMA/GaN photodiode with electrically different polarity

MSP Reddy, BJ Kim, JS Jang - Optics express, 2014 - opg.optica.org
We demonstrated the dual-detectable DNA-CTMA/n-GaN photodiode (DG-PD) for ultraviolet
and visible lights. Halogen and UV lamps are employed to recognize the visible and UV …

Multiband photodetector utilizing serially connected unipolar and bipolar devices

OO Cellek, YH Zhang - US Patent 9,184,194, 2015 - Google Patents
Multi-band photodetectors can be formed by series connect ing unipolar and, optionally,
bipolar semiconductor struc tures, each having different photodetection bands. Under …

Optically addressed near and long-wave infrared multiband photodetectors

OO Cellek, JL Reno, YH Zhang - Applied Physics Letters, 2012 - pubs.aip.org
Optically addressed dual-band photodetector incorporating of a 0.82 μm cut-off wavelength
near-infrared (NIR) AlGaAs/GaAs pin photodetector and a 8.2 μm peak wavelength long …

[HTML][HTML] CdTe nBn photodetectors with ZnTe barrier layer grown on InSb substrates

ZY He, CM Campbell, MB Lassise, ZY Lin… - Applied Physics …, 2016 - pubs.aip.org
We have demonstrated an 820 nm cutoff CdTe nBn photodetector with ZnTe barrier layer
grown on an InSb substrate. At room temperature, under a bias of− 0.1 V, the photodetector …

MSM-photodetector with ZnSe/ZnS/GaAs Bragg reflector

SV Averin, PI Kuznetzov, VA Zhitov… - Optical and Quantum …, 2020 - Springer
The effect of a ZnSe/ZnS/GaAs distributed Bragg reflector on the spectral response of a
metal–semiconductor–metal (MSM)-diode is investigated. Good agreement is obtained …