Figure 6.

Visible-light-driven photocatalytic activities of Sb2S3 16-h nanotubes before and after annealing. The nanotubes were annealed in argon at 400°C for 1 h.

Shuai and Shen Nanoscale Research Letters 2012 7:199   doi:10.1186/1556-276X-7-199
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