Figure 5From: A facile chemical conversion synthesis of Sb2S3 nanotubes and the visible light-driven photocatalytic activitiesXRD patterns and Raman spectra. (a) XRD patterns and (b) room-temperature Raman spectra of the Sb2S3 16-h nanotubes just grown and annealed in argon at 200°C, 250°C, and 400°C for 1 h.Back to article page