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首页> 外文期刊>Journal of Materials Research >Green and facile synthesis of carbon nanotube supported Pd nanoparticle catalysts and their application in the hydrogenation of nitrobenzene
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Green and facile synthesis of carbon nanotube supported Pd nanoparticle catalysts and their application in the hydrogenation of nitrobenzene

机译：碳纳米管负载的钯纳米粒子催化剂的绿色简便合成及其在硝基苯加氢中的应用

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摘要

Carbon nanotubes (CNTs) supported Pd nanoparticle (NP) catalysts (Pd/CNTs) were prepared by a green and facile synthesis method based on hydrogen-bonding self-assembly. The size and loading of Pd NPs on catalysts were easily controlled by tuning both the relative amount of citrate to Pd salt in the solution and the relative amount of Pd NPs to CNTs. The size of Pd NPs on as-prepared catalysts can be tuned in the range of 3-6 nm, and Pd loading can be controlled in the range of 0-19 wt%. The catalysts were characterized by Brunauer-Emmett-Teller measurement, x-ray diffraction spectroscopy, and x-ray photoelectron spectroscopy. The performance of Pd/CNTs catalysts was evaluated in the hydrogenation of nitrobenzene. Compared with the catalysts prepared by the impregnation method or supported on conventional supports, Pd/CNTs catalysts show relatively higher activity and selectivity. The recyclability tests indicate that the Pd/CNTs catalysts can be used at least five times without significant loss in activity and selectivity.
机译：碳纳米管（CNTs）负载钯纳米粒子（NP）催化剂（Pd / CNTs）通过基于氢键自组装的绿色简便合成方法制备。通过调节溶液中柠檬酸盐对Pd盐的相对量和Pd NP对CNT的相对量，可以轻松控制催化剂上Pd NP的大小和负载量。可以将制得的催化剂上的Pd NPs的尺寸调节在3-6 nm的范围内，并将Pd的负载量控制在0-19 wt％的范围内。通过Brunauer-Emmett-Teller测量，X射线衍射光谱和X射线光电子光谱对催化剂进行表征。在硝基苯的氢化反应中评估了Pd / CNTs催化剂的性能。与通过浸渍方法制备或负载在常规载体上的催化剂相比，Pd / CNTs催化剂显示出相对较高的活性和选择性。可循环性测试表明，Pd / CNTs催化剂可以使用至少五次，而活性和选择性却没有明显损失。

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  • 来源
    《Journal of Materials Research》 |2013年第10期|1326-1333|共8页
  • 作者

    Zhonglai Wang; Hua Liu; Long Chen; Lingjun Chou; Xiaolai Wang;

  • 作者单位

    State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People's Republic of China University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

    State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People's Republic of China University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China;

    State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People's Republic of China;

    State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People's Republic of China;

    State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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