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- W3082044689 abstract "Infrared detection is a key point in optoelectronic systems and thus has attracted considerable attention in recent years. In this paper, a novel, heavy metal-free, and low-cost near-infrared photoconductor based on Ag 2 S nanocrystals (NCs) was realized for the first time. Ag 2 S NCs were synthesized by a facile chemical synthesis method at room temperature and were characterized by means of X-ray diffraction (XRD), transmission electron microscopy (TEM), and optical absorption. The photoconductor was fabricated by drop-casting Ag 2 S NCs on the interdigitated electrodes which were designed on a printed circuit board. The fabricated photodetector was able to work with a very low bias voltage of 0.05 V. Device performance was evaluated in terms of photosensitivity, responsivity, and detectivity under 750, 850, and 940 nm wavelengths illuminations. The fabricated photodetector exhibited a high detectivity of 2.7 × 10 10 (more than 10 9 Jones) under 750 nm wavelength illumination at room temperature. • A facile room-temperature synthesis was used to produce Ag 2 S nanocrystals in the range of 30–40 nm. • A photoconductor based on Ag 2 S nanocrystals has been realized for the first time. • Fabricated photodetector has shown a high detectivity under near-infrared illumination with a very low voltage bias." @default.
- W3082044689 created "2020-09-08" @default.
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- W3082044689 date "2021-01-01" @default.
- W3082044689 modified "2023-10-16" @default.
- W3082044689 title "High-detectivity near-infrared photodetector based on Ag2S nanocrystals" @default.
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- W3082044689 doi "https://doi.org/10.1016/j.jallcom.2020.156948" @default.
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