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首页> 外文期刊>RSC Advances >A platinum supported reduced graphene catalyst to enhance the hydrogenation of nitro compound activity
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A platinum supported reduced graphene catalyst to enhance the hydrogenation of nitro compound activity

机译：铂负载还原石墨烯催化剂，可增强硝基化合物的氢化活性

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摘要

We have investigated a simple approach for the preparation of platinum (Pt) decorated graphene and N-doped Pt decorated graphene nanosheets in the presence of ethylene glycol (EG) for catalytic hydrogenation of nitro compounds. The presence of EG not only triggers the mono dispersion of Pt nanoparticles (NPs) of 2 to 6 nm particle size and also its homogeneous distribution on graphene nanosheets without any agglomeration. The results showed that the Pt-nanoparticle supported graphene as well as the Pt, N-doped graphene nanosheets enhanced the catalytic reduction of 4-nitro aniline (4-NA) to para-phenyl di aniline (p-PDA) in the presence of an aqueous solution of NaBH4. This two dimensional Pt supported reduced graphene sheet with a large surface area showed enhanced catalytic properties compared to other noble metal nanoparticles.
机译：我们已经研究了在乙二醇（EG）存在下催化硝基化合物氢化的制备铂（Pt）装饰的石墨烯和N掺杂的Pt装饰的石墨烯纳米片的简单方法。 EG的存在不仅会触发2至6 nm粒径的Pt纳米颗粒（NPs）的单分散，而且会导致其在石墨烯纳米片上的均匀分布而不会发生团聚。结果表明，在存在Pt的情况下，Pt纳米颗粒负载的石墨烯以及Pt，N掺杂的石墨烯纳米片增强了4-硝基苯胺（4-NA）到对苯基二苯胺（p-PDA）的催化还原。 NaBH4的水溶液。与其他贵金属纳米粒子相比，具有较大表面积的二维Pt负载还原石墨烯片表现出增强的催化性能。

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