期刊
CRYSTAL GROWTH & DESIGN
卷 8, 期 10, 页码 3581-3585出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg800023d
关键词
-
资金
- National Science Foundation of China [20575063, 20575064, 20675076]
- [2007CB714500]
We first suggested a one-pot method to synthesize monodisperse raspberry-like submicrometer gold spheres (MRSGS) with high yield. The resulting gold spheres were characterized by scanning electron microscopy, transmission electron microscopy, energy-dispersed X-ray spectroscopy, X-ray photoelectron spectroscopy, X-ray diffraction, and electrochemical technology. It was found that the rough structure provided by raspberry-like gold spheres led to a tremendous electrochemical active area, which was very important because these novel hierarchical gold spheres will probably find important applications in biosensors, electrocatalysis, and others. The formation mechanism of the raspberry-like gold spheres was also discussed. Furthermore, we expanded a liquid-liquid interface assembling strategy to MRSGS systems and first constructed uniform raspberry-like gold sphere arrays on a solid substrate.
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