Research Article

Surfactant-Free Synthesis of Single Crystalline SnS2 and Effect of Surface Atomic Structure on the Photocatalytic Property

Figure 4

(a) UV-visible absorption spectra and corresponding plots of transformed Kubelka-Munk function versus the energy of photon (inset); (b) Valence-band XPS spectra of the two SnS2 samples.
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(b)