Two-dimensional Semiconductor Material Stannic Sulfide
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Update time : 2021-04-08 08:36:36
Stannic sulfide is an inorganic compound with a chemical formula of SnS2. It is a yellow hexagonal flake with a CdI2 crystal structure.
Property of Stannic Sulfide Powder
Stannic sulfide is hardly soluble in water, but it is soluble in aqua regia and hot alkaline solution, and it can also be soluble in sodium sulfide solution. Stannic sulfide is often used as a golden paint.
Stannic Sulfide is soluble in aqua regia and hot alkali solution, and can undergo coordination reaction with concentrated hydrochloric acid, but it is insoluble in dilute hydrochloric acid, insoluble in water and nitric acid. Stannic sulfide can react with ammonium sulfide to dissolve.
Application of Stannic Sulfide Powder
Stannic sulfide (SnS2) is a two-dimensional van der Waals semiconductor material with excellent photoelectric properties, and it is also one of the two-dimensional semiconductor materials with the fastest photoelectric response time reported so far. The material is non-toxic, environmentally friendly, rich in content and easy to prepare.
The research team used the traditional chemical vapor transport method to explore the growth conditions to obtain high-quality Fe-SnS2 single crystals with different doping concentrations, and then obtained two-dimensional Fe-SnS2 nanosheets by mechanical lift-off. Scanning transmission electron microscopy (STEM) results show that Fe atoms are doped in place of Sn atoms and are evenly distributed.
Theoretical calculations show that the magnetism of Fe-SnS2 comes from the antiferromagnetic coupling between Fe atoms and adjacent S atoms, and the adjacent Fe atoms are ferromagnetic coupling, so that long-range iron is formed in this magnetic atom-doped material magnetic. The research shows that iron-doped stannic sulfide has potential applications in the future of nanoelectronics, magnetism and optoelectronics.
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