期刊
CARBON
卷 50, 期 8, 页码 3008-3014出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.02.086
关键词
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资金
- National Natural Science Foundation of China [61006015, 51033007]
- National Basic Research Development Program of China (973 Program) [2010CB934500]
- Natural Science Foundation of Jiangsu Province [BK2010220]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Research Grants Council of Hong Kong [CityU 102010]
We report a generic strategy to make hybrids incorporating metal nanoparticles and carbon nanosupports with large surface area, which is a one-step, universal approach totally free of additives and by-products. Utilizing this approach, we show that small Au, Ag and Pd nanoparticles of uniform size can be self-assembled on diverse carbon nanostructures such as graphene oxide, reduced graphene oxide, and multiwalled carbon nanotubes by simply sputtering metal onto room-temperature ionic liquids. The size of metal nanopartides can be controlled by the composition of room-temperature ionic liquids, and the surface density of metal nanoparticles can be controlled by the sputtering conditions. The self-assembly is demonstrated to be driven by the interlinking interactions among the metal nanoparticles, ionic liquid cations and carbon nanostructures. (C) 2012 Elsevier Ltd. All rights reserved.
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