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- Title
Surfactant-Free Synthesis of Single Crystalline SnS<sub>2</sub> and Effect of Surface Atomic Structure on the Photocatalytic Property.
- Authors
Mengyi Li; Enzuo Liu; Huilin Hu; Shuxin Ouyang; Hua Xu; Defa Wang
- Abstract
Sheetlike tin disulfide (SnS2) single crystal exposed with well-defined {001} facets and flowerlike SnS2 mainly exposed with {010} facets were prepared through a surfactant-free solvothermal process. Photocatalytic degradation of methyl orange (MO) under visible light irradiation indicated that the sheetlike SnS2 showed a much higher activity than flowerlike SnS2. Theoretical and experimental results revealed that the band structure derived from the surface atomic structure played a more important role than the surface energy in the photocatalytic property. The present work has provided a deep insight into the important role of the surface energy and band structure, both of which are derived from the surface atomic structure, in the photocatalytic activity.
- Subjects
SURFACE active agents; SINGLE crystals; ATOMIC structure; CHEMICAL synthesis; PHOTOCATALYSTS
- Publication
International Journal of Photoenergy, 2014, p1
- ISSN
1110-662X
- Publication type
Article
- DOI
10.1155/2014/394146