Solution-grown ternary quasi-cube AgSbTe and its optoelectronic performance for broadband photodetection
CrystEngComm, ISSN: 1466-8033, Vol: 25, Issue: 15, Page: 2237-2242
2023
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Data on Nanocrystals Described by Researchers at Anhui Polytechnic University (Solution-grown Ternary Quasi-cube Agsbte2 and Its Optoelectronic Performance for Broadband Photodetection)
2023 APR 20 (NewsRx) -- By a News Reporter-Staff News Editor at Nanotech Daily -- Investigators publish new report on Nanotechnology - Nanocrystals. According to
Article Description
Group I-V-VI nanocrystals have been considered as potential candidates in the field of optoelectronics due to their highly tunable semiconductor characteristics. AgSbTe, one of the emerging group I-V-VI nanocrystals with optical phase-change properties, a high light absorption coefficient and wide spectral response, is attractive for eco-friendly photodetector devices. However, a colloidal synthetic route for obtaining highly crystalline AgSbTe nanocrystals with low toxicity precursors, which is vital to high-performance solution-processed photodetector devices, is still rare. Herein, we investigate the colloidal synthesis of quasi-cube AgSbTe nanocrystals from the reaction of commercially available AgNO with Sb(Ph) in oleylamine at 190 °C, followed by the injection of a tellurium source, which was prepared by directly dissolving TeO in 1-dodecanethiol. Simple AgSbTe/ITO heterostructure photodetectors were fabricated by a low-temperature colloidal synthetic route in combination with the spin-coating technique, which exhibit good photoresponse in a wide range from 405 to 980 nm with fast response times (0.49 and 0.58 s) and excellent stability. This work suggests that ternary silver-based I-V-VI compound nanostructures have great potential for high-performance optoelectronic applications.
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Royal Society of Chemistry (RSC)
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