Chalcogenide glass is a glass containing one or more chalcogens. Such glasses are covalently bonded materials and may be classified as covalent network solids. Chalcogenides are compound formed predominately from one or more of the chalcogen elements. Various non-oxide glasses have been prepared and characterized in last few decades, thus widening the groups of chalcogen materials used in various optoelectronic glasses. The present review describes the composition of chalcogenide glasses, their synthesis and fabrication, their physical properties and potential applications in optoelectronics.
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