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Ultrasensitive Solar-Blind Detectors Weather Harsh Environments

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HEFEI, China, Nov. 29, 2021 — A solar-blind ultraviolet photodetector (SBPD) designed for harsh environments uses amorphous gallium oxide (AGO) as a materials substitute for the traditional silicon substrate. Gallium oxide features a wide bandgap and high heat resistance, and it is capable of preserving SBPDs’ sensitivity. Amorphous gallium oxide is also easy to manufacture and integrate. A group from University of Science and Technology of China of the Chinese Academy of Sciences developed the ultrasensitive SBPD. Crystal structure of β-Gallium oxide. Courtesy of Orci/Wikimedia Commons CC BY-SA 3.0....Read full article

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    Published: November 2021
    Glossary
    photodetector
    A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical signal. Photodetectors are widely used in various applications, ranging from simple light sensing to more complex tasks such as imaging and communication. Key features and principles of photodetectors include: Light sensing: The primary function of a photodetector is to sense or detect light. When photons (particles of light) strike the active area of the photodetector,...
    ultraviolet
    That invisible region of the spectrum just beyond the violet end of the visible region. Wavelengths range from 1 to 400 nm.
    Research & TechnologyphotodetectorChinese Academy of SciencesultravioletSensors & Detectors

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