Photoconductive PbSe thin films for infrared imaging

MC Gupta, JT Harrison, MT Islam - Materials Advances, 2021 - pubs.rsc.org
Lead selenide (PbSe) emerged 70+ years ago for its unique photoconductive sensitivity to
the mid-wave infrared (MWIR) spectrum; however, new and exciting research continues to …

Highly responsive and low-cost ultraviolet sensor based on ZnS/p-Si heterojunction grown by chemical bath deposition

A Kumar, M Kumar, V Bhatt, S Mukherjee… - Sensors and Actuators A …, 2021 - Elsevier
The chemical bath deposition method has been widely used to synthesize low-cost and
large scalable UV light photodetectors. Herein, nanocrystalline ZnS thin films were …

Lead selenide polycrystalline coatings sensitized using diffusion and ion beam methods for uncooled mid-infrared photodetection

H Yang, X Li, G Wang, J Zheng - Coatings, 2018 - mdpi.com
Polycrystalline lead selenide material that is processed after a sensitization technology
offers the additional physical effects of carrier recombination suppression and carrier …

Effects of the high-temperature sensitization in argon atmosphere on the microstructure and properties of polycrystalline PbSe films

Y Zhu, M Yu, Q Lv, H Hou, J Yang, G Liu, J Liu… - Materials Science in …, 2023 - Elsevier
PbSe film used for infrared detection is generally subjected to sensitization at≤ 723 K in air,
oxygen, and/or iodine vapor for enhancing its optoelectronic performance. In this work, the …

Modified vapor phase deposition technology for high-performance uncooled MIR PbSe detectors

J Qiu, Y Liu, G Zhang, K Shi, Y Li, Y Luo - RSC advances, 2021 - pubs.rsc.org
The low performance of middle infrared (MIR) PbSe detectors fabricated from vapor phase
deposition (VPD) technology restricts the rapid development of VPD technology and …

PbI 2 3D network transporting model for the charge separation mechanism of PbSe detectors

K Shi, Y Liu, Y Luo, J Bian, J Qiu - RSC advances, 2021 - pubs.rsc.org
PbSe films deposited by chemical bath deposition (CBD) technology were sensitized in
various atmospheres to distinguish the role of iodine and oxygen in the sensitization …

High-speed and high-precision PbSe/PbI2 solution process mid-infrared camera

H Dortaj, M Dolatyari, A Zarghami, F Alidoust… - Scientific Reports, 2021 - nature.com
Infrared (IR) cameras based on semiconductors grown by epitaxial methods face two main
challenges, which are cost and operating at room temperature. The alternative new …

Epitaxial CdSe/PbSe Heterojunction Growth and MWIR Photovoltaic Detector

LL McDowell, M Rastkar Mirzaei, Z Shi - Materials, 2023 - mdpi.com
A novel Epitaxial Cadmium Selenide (CdSe) on Lead Selenide (PbSe) type-II heterojunction
photovoltaic detector has been demonstrated by Molecular Beam Epitaxy (MBE) growth of n …

Properties of chemical bath deposited and sensitized PbSe thin films for IR detection

MH Jang, SS Yoo, MT Kramer, NK Dhar… - Semiconductor …, 2019 - iopscience.iop.org
PbSe thin films of one-micron thickness were deposited on SiO 2/Si wafers using chemical
bath deposition method for IR detector applications. To sensitize the PbSe films for efficient …

[HTML][HTML] Mid-wavelength infrared photo response and band alignment for sensitized PbSe thin films

MH Jang, PM Litwin, SS Yoo, SJ McDonnell… - Journal of Applied …, 2019 - pubs.aip.org
PbSe thin films were deposited using the chemical bath deposition method and sensitized
with iodine for enhanced IR photoconductivity. After sensitization, PbSe films showed a high …