Hollow Rh2S3 hexagonal nanoprisms, prepared by one-step formation of Cu1.94S@Rh2S3core-shell nanoprisms followed by the etching of core, exhibit very high catalytic activity and excellent stability toward hydrogen evolution reaction under harsh acidic conditions.
http://pubs.rsc.org/en/content/articlelanding/ee/2016/c5ee03456f#!divAbstract