Synthesis of 3D N-doped graphene/carbon nanotube hybrids with encapsulated Ni NPs and their catalytic application in the hydrogenation of nitroarenes

Sun Yanyan; Li Xuewen; Cai ZhongshunBai HongzhenTang GupingHou Zhaoyin

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Synthesis of 3D N-doped graphene/carbon nanotube hybrids with encapsulated Ni NPs and their catalytic application in the hydrogenation of nitroarenes

机译：合成3 d n型石墨烯/碳纳米管混合动力车与封装倪NPs及其催化加氢的应用nitroarenes

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Carbon-based materials are a popularly-used catalyst support due to their large surface area, high stability, and easy accessibility for reactants, but metal NPs on carbon are prone to sintering and leaching due to weak metal-support interactions. In this work, a 3D carbonaceous material composed of 1D carbon nanotubes sprouting from 2D graphene sheets (denoted Ni@N-CNTs-GS) was synthesized via the direct pyrolysis of mixed agar, melamine, and Ni(en)(3)(NO3)(2). Characterization indicated that the newly formed CNTs were rooted in and anchored by the graphene sheets, and carbon film-encapsulated Ni NPs were dispersed evenly both in the chambers of the CNTs and on the surface of the graphene. It was found that Ni@N-CNTs-GS was active and stable for the selective hydrogenation of nitroarenes to anilines via a direct route.

机译：碳基材料的广泛使用催化剂载体由于其巨大的表面积,高稳定性,和简单的可访问性反应物,但金属NPs碳很容易由于弱的金属支撑烧结和浸出交互。一维碳纳米管组成的材料从二维石墨烯表(表示Ni@N-CNTs-GS)通过直接合成琼脂混合热解,三聚氰胺Ni (en)(3)(三)(2)。新形成的碳纳米管是根植于和固定的石墨烯薄片,和碳film-encapsulated倪NPs均匀分散在碳纳米管和钱伯斯石墨烯的表面。Ni@N-CNTs-GS是活跃的和稳定的选择性加氢nitroarenes苯胺类通过直接路线。

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来源
《Catalysis science & technology》 |2018年第19期|4858-4863|共6页
作者
Sun Yanyan; Li Xuewen; Cai ZhongshunBai HongzhenTang GupingHou Zhaoyin;
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作者单位

Zhejiang Univ, Inst Chem Biol & Pharmaceut Chem, Dept Chem, Hangzhou 310028, Zhejiang, Peoples R China;

Zhejiang Univ, Dept Chem, Minist Educ, Key Lab Biomass Chem Engn, Hangzhou 310028, Zhejiang, Peoples R China;

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正文语种英语
中图分类汉语教学;
关键词
graphene; Nanotubes; CATALYST SUPPORTsynthesisEncapsulated MassNickelHydrogenationChambers;

机译：石墨烯、碳纳米管、催化剂SUPPORTsynthesisEncapsulatedMassNickelHydrogenationChambers;

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Synthesis of 3D N-doped graphene/carbon nanotube hybrids with encapsulated Ni NPs and their catalytic application in the hydrogenation of nitroarenes

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