A rational route to synthesize nanorods in large scale

Bismuth sulfide nanorods were synthesized on a large scale via a simple self-sacrificing template route, by the direct reaction between the pre-prepared precursor metallic bismuth NT arrays and thiourea (Tu) in air at 100 ∘C for 16 h. XRD, TEM, SEM and HRTEM characterizations show that the prepared Bi2S3 samples are all phase pure and the Bi2S3 nanorods have uniform diameters of approximately 30–50 nm and lengths up to several micrometers.