One-step synthesis of mulberry-shaped TiO2-Au nanocomposite and its H2 evolution property under visible light
| Autor: | Nan Zhang, Changwen Hu, Yin Wang, Shuxia Shang, Yuanman Ni, Bing Liu, Minhua Cao |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Nanocomposite
Materials science Dispersity One-Step Selective catalytic reduction 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Redox Hydrothermal circulation 0104 chemical sciences Colloid and Surface Chemistry Chemical engineering Photocatalysis 0210 nano-technology Visible spectrum |
| Zdroj: | Colloids and Surfaces A: Physicochemical and Engineering Aspects. 553:203-209 |
| ISSN: | 0927-7757 |
| DOI: | 10.1016/j.colsurfa.2018.05.058 |
| Popis: | In this work, mulberry shaped TiO2-Au nanocomposite has been successfully prepared by a one-step hydrothermal method relying on the redox reaction between Au (III) and Ti (III) with polyvinyl pyrrolidone (PVP) as protective agent for the first time. PVP plays an important role on monodisperse and homogeneity of mulberry shaped TiO2-Au. The TiO2-Au nanocomposite shows excellent stability towards the catalytic reduction of water under visible light. Based on characterization and testing, we propose the photocatalytic process for efficient H2 generation. Uniformly dispersed Au NPs enhance visible light absorption on account of the LSPR, leading to the H2 evolution increased. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect