This process is very fast, simple, effective, and environmentally friendly. It has been developed and widely used in industrial and laboratory distillations. It involves the condensation of vapors and the return of this condensate to its original. Microwave-assisted refluxing is a distillation process of which the system is heated by a microwave radiation. AgSbS 2 crystallizes as two main crystal systems: monoclinic and cubic. Presently, silver antimony sulfide (AgSbS 2) is a very attractive material, due to its promising candidate for a number of applications: active recording films, micromechanical and optical memories, electrical switching and transmission in midinfrared. A possible formation mechanism of AgSbS 2 nanostructured flowers was also proposed according to the experimental results. The 1.89 eV direct energy gap was determined by UV-visible absorption, including two 688 and 857 nm emission wavelengths by photoluminescence (PL) spectroscopy. Cubic AgSbS 2 nanostructured flowers of nanorods were successfully synthesized by microwave-assisted refluxing of AgNO 3, Sb(CH 3COO) 3, and L-cysteine (C 3H 7NO 2S) dissolved in ethylene glycol at the pH of 4, characterized by X-ray diffraction (XRD) and electron microscopy (EM).
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