Indium Chalcogenides - In2S3, In2Se3, In2Te3

In2S3, In2Se3, In2Te3

In2S3
Indium(III) sulfide is a yellow or red high melting solid. It is an n-type semiconductor.
In2Se3
Indium(III) selenide is a black compound with potential photo-optic applications.
In2Te3
Indium(III) telluride is a black high melting solid with applications as a semiconductor and in photo-optic applications. It has two crystalline forms, α- and β-.

Read more about this topic:  Indium Chalcogenides