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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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微波法制备还原氧化石墨烯负载Pt3Co纳米合金
DOI: 10.1016/S1872-2067(14)60232-1, PP. 2029-2037
Keywords: 石墨烯,Pt3Co,微波法,肉桂醛,加氢
Abstract:
？微波辐射法可以在数分钟内将高度分散的Pt3Co合金颗粒负载于还原氧化石墨烯表面上.表征结果发现,与传统的溶剂热法和浸渍法相比,微波法制备的催化剂中贵金属的利用率高,合金颗粒的分布均匀,组成可控,同时氧化石墨烯的再石墨化现象也得到有效地抑制.采用微波法制备的Pt3Co/RGO-MW催化剂在肉桂醛加氢反应中具有较高的活性和和产物选择性.Pt3Co/RGO-MW中每一个Pt原子在70℃的转化频率高达23.8min-1.
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