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1篇 您的检索式:作者名="Gary L.Haller"
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1电位质子滴定与NEXAFS和XPS表征功能化多壁碳纳米管比较(英文)显示文摘Since the discovery of carbon nanotubes (CNT), this material has been recognized as an attractive catalyst support. CNT must be functionalized before use as a catalyst support and typically this involves oxidation. However, the functional group distribution on the CNT is very complex mixture of groups and varies with oxidation agent used. Here a simple acid-base titration is introduced to characterize the oxygen functionalized CNT. By comparing characterization with near-edge X-ray absorption fine structure (NEXAFS) and X-ray photoelectron spectroscopy (XPS) for both at the C and O K-edges, it can be demonstrated that potentiometric proton titration can be a fast and quantitative analysis for Brnsted acid functional groups on CNT.Zhiteng Zhang Lisa Pfefferle Gary L.Haller 2014催化学报2014,35,6:3
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