Facile fabrication of SnS2 quantum dots for photoreduction of aqueous Cr(VI)
| Autor: | Ji-Ren Tu, Yong-Jun Yuan, Hongwei Lu, Xing-Fu Shi, Ning-Xia Yang |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Aqueous solution
Materials science Reducing agent Mechanical Engineering chemistry.chemical_element Nanoparticle Nanotechnology 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Photochemistry 01 natural sciences Hydrothermal circulation 0104 chemical sciences chemistry Mechanics of Materials Quantum dot Tetrachloride Photocatalysis General Materials Science 0210 nano-technology Tin |
| Zdroj: | Materials Letters. 185:303-306 |
| ISSN: | 0167-577X |
| DOI: | 10.1016/j.matlet.2016.09.002 |
| Popis: | Visible-light active SnS2 quantum dots photocatalyst with average diameter of 6.5 nm was prepared successfully via a facile one-pot hydrothermal route by using tin tetrachloride and l -cysteine as precursors. Benefiting from the strong visible-light absorption and high surface area, the as-prepared SnS2 quantum dots can act as a highly-efficient photocatalyst for photocatalytic reduction of aqueous Cr(VI) without additional reducing agents or hole scavengers, a maximum removal efficiency of 92% was observed after 120 min of visible light irradiation. This work demonstrates that the as-synthesized SnS2 quantum dots is a promising photocatalyst for photocatalytic reduction of Cr(VI). |
| Databáze: | OpenAIRE |
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