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• W4386423406 endingPage "1274" @default.
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• W4386423406 abstract "A quantum dot (QD) thin film of arsenic (III) oxide-hydroxide/polypyrrole (As2S3-As2O3/Ppy) with a supernova-like shape has been developed for optoelectronic applications across a wide optical range, spanning from ultraviolet (UV) to infrared (IR). The fabrication process involves the polymerization of pyrrole to form Ppy in the presence of NaAsO2 and K2S2O8. The resulting QD exhibits a remarkable morphology characterized by a supernova-like structure and a porous nature with a particle size of 4 nm. The unique morphology of the QD contributes to its optical properties. The material demonstrates a maximum optical absorbance that extends up to 600 nm. The chemical structure of the composite has been proved using various characterization techniques. The As2S3-As2O3/Ppy QD thin film holds significant potential for optoelectronic applications, particularly in light detection across multiple optical regions. Its sensitivity has been evaluated through the measurement of photoresponsivity (R), yielding a high value of 0.31 mA/W. This indicates a substantial current density (Jph) of 0.031 mA/cm2 at a wavelength of 340 nm. Additionally, the detectivity (D) of the photodetector has been calculated based on these values, resulting in a detection capability of 6.9 × 107 Jones. This indicates the ability to detect low levels of photons using this photodetector. The highly reproducible nature of this photodetector enables its application in various optoelectronic systems. The As2S3-As2O3/Ppy QD thin film offers great promise as a versatile optoelectronic application with its wide optical range, excellent sensitivity, and detectivity." @default.
• W4386423406 created "2023-09-05" @default.
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• W4386423406 date "2023-09-04" @default.
• W4386423406 modified "2023-10-05" @default.
• W4386423406 title "Quantum Dot Supernova-like-Shaped Arsenic (III) Sulfide-Oxide/Polypyrrole Thin Film for Optoelectronic Applications in a Wide Optical Range from Ultraviolet to Infrared" @default.
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• W4386423406 doi "https://doi.org/10.3390/catal13091274" @default.
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