Atypical BiOCl/Bi2S3 hetero-structures exhibiting remarkable photo-catalyst response

Abstract

We demonstrate the fabrication of BiOCl/Bi2S3 which is well defined at a large scale. The BiOCl/Bi2S3 hetero-structures exhibit an enhanced photo-catalytic degradation of methyl orange (MO) compared to BiOCl and Bi2S3, attributed to the interface between Bi2S3 and BiOCl, which effectively separate the photo-induced electron-hole pairs and suppress their recombination.