Facile synthesis of silica-coated Bi2S3 nanorods and hollow silica nanotubes

Abstract Silica coated bismuth sulfide (Bi 2 S 3 ) nanorods have been prepared by a simple coating process. The coating resulted in the improved stability and luminescent intensity of the Bi 2 S 3 nanorods. Hollow silica nanotubes were also obtained by using Bi 2 S 3 nanorods as a removal template.