Surfactant-Free Synthesis of Single Crystalline SnS2 and Effect of Surface Atomic Structure on the Photocatalytic Property
| Autor: | Mengyi Li, Enzuo Liu, Huilin Hu, Shuxin Ouyang, Hua Xu, Defa Wang |
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| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: | |
| Zdroj: | International Journal of Photoenergy, Vol 2014 (2014) |
| Druh dokumentu: | article |
| ISSN: | 1110-662X 1687-529X |
| DOI: | 10.1155/2014/394146 |
| Popis: | 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. |
| Databáze: | Directory of Open Access Journals |
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