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ELECTROCHEMICAL SYNTHESIS OF ELONGATED NOBLE METAL NANOPARTICLES, SUCH AS NANOWIRES AND NANORODS, ON HIGH-SURFACE AREA CARBON SUPPORTS
ELECTROCHEMICAL SYNTHESIS OF ELONGATED NOBLE METAL NANOPARTICLES, SUCH AS NANOWIRES AND NANORODS, ON HIGH-SURFACE AREA CARBON SUPPORTS
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机译:高表面积碳载体上贵金属纳米粒子(如纳米线和纳米粒子)的电化学合成
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摘要
Elongated noble-metal nanoparticles and methods for their manufacture are disclosed. The method involves the formation of a plurality of elongated noble-metal nanoparticles by electrochemical deposition of the noble metal on a high surface area carbon support, such as carbon nanoparticles. Prior to electrochemical deposition, the carbon support may be functionalized by oxidation, thus making the manufacturing process simple and cost-effective. The generated elongated nanoparticles are covalently bound to the carbon support and can be used directly in electrocatalysis. The process provides elongated noble-metal nanoparticles with high catalytic activities and improved durability in combination with high catalyst utilization since the nanoparticles are deposited and covalently bound to the carbon support in their final position and will not change in forming an electrode assembly.
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