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    题名 作者 年代 出处 被引量
1磁性固体酸的设计制备及其催化应用显示文摘液体酸催化剂在化学化工领域发挥巨大作用的同时伴随着分离回收困难、反应器腐蚀及废酸处理繁琐等明显缺点,寻求有潜在工业应用前景的替代型催化剂已成为当前催化领域的重要研究方向。磁性固体酸作为一种高效的新型多相催化剂,在提供酸催化能力的同时具有磁控分离的特性,符合绿色化学化工的发展理念,正在逐步取代液体酸发挥重大作用,是当前固体酸研究的热点之一。本文对不同制备方法、不同种类酸的磁性固体酸研究进行了综述,分析了各种方法的优缺点,阐述了磁性固体酸在催化领域的应用研究现状,并对磁性固体酸未来的研究方向作了展望。李适 李明慧 翟尚儒 宋宇 翟滨 安庆大 2013化学进展2013,25,2:3
2Investigation of Charge Transport in Percolating Network of PdCu Nanoclusters显示文摘Transport of charge carriers in percolating nanocluster devices based on bimetallic PdCu nanoclusters was investigated in this work.The device was fabricated by self-assembly of the nanoclusters between electrical electrodes inside an ultra-high vacuum compatible system.The average size of the produced nanoclusters was 7.3 nm,and the composition was Pd_(0.77)Cu_(0.23).Systematic in situ current-voltage measurements as a function of temperature were performed which provide a conductance-temperature profile.The results are explained in terms of the charge carriers' tunneling through small potential barriers at the junctions between nanoclusters.The results predict the size of the nanoclusters as well as the magnitude of the potential difference of the tunneling barriers.This investigation helps understanding the nature of the interface between the nanoclusters and the charge carrier transport within those devices to be utilized for optimizing gas sensing properties of PdCu nanocluster devices.A.I.Ayesh S.T.Mahmoud N.Qamhieh Z.A.Karam 2014Acta Metallurgica Sinica(English Letters)2014,27,1:0
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