Creation of surface defects on carbon nanofibers by steam treatment

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• 作者：Zhengfeng Shao ; Min Pang ; Wei Xia ; Martin Muhler ; Changhai Liang
• 关键词：carbon nanofibers ; surface defects ; steam treatment ; palladium
• 刊名：Journal of Energy Chemistry
• 出版年：September, 2013
• 年：2013
• 卷：22
• 期：5
• 页码：804-810
• 全文大小：2765 K

文摘

A direct strategy for the creation of defects on carbon nanofibers (CNFs) has been developed by steam treatment. Nitrogen physisorption, XRD, Raman spectra, SEM and TEM analyses proved the existence of the new defects on CNFs. BET surface area of CNFs after steam treatment was enhanced from 20 to 378 m²/g. Pd catalysts supported on CNFs were also prepared by colloidal deposition method. The different activity of Pd/CNFs catalysts in the partial hydrogenation of phenylacetylene further demonstrated the diverse surfaces of CNFs could be formed by steam treatment.