Decomposition of formic acid over silica encapsulated and amine functionalised gold nanoparticles

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• 作者：Jerrik Mielby ; Andreas Jonas Kunov-Kruse ; Sø ; ren Kegnæ ; s ; ^{skk@kemi.dtu.dk}
• 关键词：Encapsulation ; Gold nanoparticles ; Heterogeneous catalysis ; Silica ; Formic acid ; Hydrogen ; ATR-FTIR ; Kinetic isotope effect
• 刊名：Journal of Catalysis
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：345
• 期：Complete
• 页码：149-156
• 全文大小：4515 K
• 卷排序：345

文摘

Small and uniform gold nanoparticles are encapsulated in amine functionalised silica. The catalyst is highly active for vapour phase decomposition of formic acid into H2. Kinetic isotope labelling indicates that the formation of H2 is rate-limiting. In situ ATR-FTIR indicates that the active site is an amine functionalised Au atom.