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For the mimicry of human visual memory, a prominent challenge is how to detect and store the image information by electronic devices, which demands a multifunctional integration to sense light like eyes and to memorize image information like the brain by transforming optical signals to electrical signals that can be recognized by electronic devices. Although current image sensors can perceive simple...
ZnGa2O4 nanowires (NWs) as a ternary oxide semiconductor were successfully synthesized by a simple vapor transport method for application as highperformance ultraviolet (UV) photodetectors. A single-nanowire UV photodetector fabricated on a rigid silicon substrate exhibited excellent spectral responsivity (3,174 A/W) and high external quantum efficiency (1.1 × 106%) at 350 nm UV light illumination...
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