Biomolecule-assisted hydrothermal synthesis of In2S3 porous films and enhanced photocatalytic properties†
Abstract
We report the synthesis and formation mechanism of In2S3 porous films composed of ultrathin curved nanoflakes by a simple and environment-friendly biomolecule-assisted hydrothermal process. We find that concentrations of the pH conditioner and the biomolecule glutathione significantly affect the morphology and structure of In2S3 films. The as-synthesized In2S3 porous films exhibit strong absorption in the ultraviolet region and the early visible region of the UV-Vis spectrum, with the absorption threshold around 501 nm. As compared with its dense film, the In2S3 porous film shows enhanced photocatalytic properties for the degradation of