| Photochemical Synthesis and Electro-catalytic Activity of Au Core/Pt Shell Composite Nanoparticles | |
| Alternative Title | Photochemical Synthesis and Electro-catalytic Activity of Au Core/Pt Shell Composite Nanoparticles |
| Dong Yingnan1; Dong Shouan1; Tang Chun1; Yang Xikun3 | |
| 2013 | |
| Source Publication | RARE METAL MATERIALS AND ENGINEERING
 |
| ISSN | 1002-185X |
| Volume | 42Issue:4Pages:789-792 |
| Abstract | A series of Au@Pt composite nanoparticles was synthesized by photochemical coreduction in the PEG-acetone aqueous solutions containing Au(III) and Pt(IV) ions with different molar ratios. The resulting composites were supported on carbon black for preparing Au@Pt/C catalysts, respectively. By the characterization of UV-Vis spectrum, TEM and HR-TEM, a spherical Au core Pt shell composite nano-structure was confirmed. The chemical state and structure character of the composite nanoparticles and the catalytic property of Au@Pt/C catalysts were analyzed by XPS, EDS and electrochemical method, respectively. The results show that all of Au@Pt/C catalysts with different Au:Pt molar ratios have high catalytic activity and stability for methanol oxidation; among them, the catalytic activity of the Au@Pt/C catalyst formed at Au:Pt=1:1 is the highest and is about 4 times than that of commercial Pt/C catalyst. The primary cause of high catalytic activity of the core/shell structure was discussed. |
| Keyword | GOLD NANOPARTICLES GROWTH photochemical synthesis Au core@Pt shell composite nanoparticle methanol electro-catalysis |
| Indexed By | CSCD |
| Language | 英语 |
| CSCD ID | CSCD:4828297 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/157296 |
| Collection | 中国科学院金属研究所 |
| Affiliation | 1.Kunming Institute Precious Met, State Kay Lab Adv Technol Comprehens Utilizat Pla, Kunming 650106, Peoples R China 2.中国科学院金属研究所 3.Kunming University Sci & Technol, Kunming 650093, Peoples R China |
| Recommended Citation GB/T 7714 | Dong Yingnan,Dong Shouan,Tang Chun,et al. Photochemical Synthesis and Electro-catalytic Activity of Au Core/Pt Shell Composite Nanoparticles[J]. RARE METAL MATERIALS AND ENGINEERING,2013,42(4):789-792. |
| APA | Dong Yingnan,Dong Shouan,Tang Chun,&Yang Xikun.(2013).Photochemical Synthesis and Electro-catalytic Activity of Au Core/Pt Shell Composite Nanoparticles.RARE METAL MATERIALS AND ENGINEERING,42(4),789-792. |
| MLA | Dong Yingnan,et al."Photochemical Synthesis and Electro-catalytic Activity of Au Core/Pt Shell Composite Nanoparticles".RARE METAL MATERIALS AND ENGINEERING 42.4(2013):789-792. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment