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tin 4 selenide formula is a binary compound with the chemical formula SnSe2. It has received considerable interest for its wide range of applications, from low-cost photovoltaics and memory-switching devices to acting as a solid-state lubricant. It is also being investigated as an anode for lithium-ion batteries and has been shown to be a promising material in gas sensing due to its high sensitivity to various gases. Different synthesis methods, doping strategies, and surface modifications have been explored in order to improve the performance of tin(IV) selenide in these applications.
SnSe2 is an earth-abundant semiconductor with a wide band gap that can be tuned from bulk to few-layer thin films. It can be easily prepared as a precipitate from solutions of tin chloride or stannous chloride in water at various pH, and the properties can then be characterized by differential thermal analysis (DTA), Mossbauer spectroscopy, and X-ray powder diffraction.
The tin(II) selenide powder, which has the molecular formula SnSe2, is gray and orthorhombic in crystal structure. It is insoluble in water but soluble in nitric acid and aqua regia, and it has relatively low thermal conductivity and high electrical conductivity. It is an active vapor deposition (AVG) target and can be used to prepare SnSe2 nanoscopic structures for research purposes.
Stanford Advanced Materials has over two decades of experience in the manufacturing and sale of tin(II) selenide. Our tin 4 selenide is produced to the highest standards when applicable, including Mil Spec; ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and meets applicable ASTM testing standards.