Fabrication, characterization and applications of iron selenide

•Different fabrication methods of iron selenide (FeSe) have been reviewed.•Crystal structure, band structure and spectroscopy of FeSe have been discussed.•Superconducting, catalytic and fuel cell application of FeSe have been presented.

This review article presents fabrication of FeSe by solid state reactions, solution chemistry routes, chemical vapor deposition, spray pyrolysis and chemical vapor transport. Different properties and applications such as crystal structure and phase transition, band structure, spectroscopy, superconductivity, photocatalytic activity, electrochemical sensing, and fuel cell activity of FeSe have been discussed.

Graphical abstractIron selenide can be synthesized by solid state reactions, chemical vapor deposition, solution chemistry routes, chemical vapor transport and spray pyrolysis.Figure optionsDownload full-size imageDownload as PowerPoint slide