Pt/氮化钛等离子体化学氧化CO
Pt Supported on Plasma-Chemical Titanium Nitride for Efficient Room-Temperature CO Oxidation
摘要：
采用在氮化钛（TiN）上沉积铂的方法制备了一氧化碳氧化催化剂。在微波等离子体氮气流中，通过氢还原四氯化钛得到平均粒径为18和36 nm的两种基质。用X-射线光电子能谱学（XPS）研究了催化剂的表面。在9-15 wt.%下的CO氧化率Pt负载的TiN催化剂比铂黑高120倍，比表面积为30 m2/g。这样的催化剂有希望用于催化空气净化系统。
英文摘要：
Catalysts of carbon monoxide oxidation were synthesized by deposition of platinum on titanium nitride (TiN). Two substrates with an average particle size of 18 and 36 nm were obtained by hydrogen reduction of titanium tetrachloride in a stream of microwave plasma of nitrogen. The surface of the catalysts was studied by X-ray photoelectron spectroscopy (XPS). The CO oxidation rate on the 9-15 wt.% Pt loaded TiN catalysts was found to be 120 times higher than that on platinum black with a specific surface of 30 m2/g. Such catalysts are promising for use in catalytic air purification systems.
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