Nitrogen-doped carbon nanotubes-supported PdNiCo nanoparticles as a highly efficient catalyst for selective hydrogenation of furfural
Nitrogen-doped carbon nanotubes-supported PdNiCo nanoparticles as a highly efficient catalyst for selective hydrogenation of furfural
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氮掺杂碳纳米管负载的 PdNiCo 纳米粒子作为糠醛选择性加氢的高效催化剂
DOI：
10.1016/j.fuel.2020.119015
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发表时间：
2021-01
期刊：
影响因子：
7.4
通讯作者：
Chen Bing Hui
中科院分区：
文献类型：
--
作者：
Ruan Luna;Pei An;Liao Jianhua;Zeng Li;Guo Guangrong;Yang Kai;Zhou Qin;Zhao Ning;Zhu Lihua;Chen Bing Hui
采用共价功能化法合成了氮掺杂碳纳米管（N-CNTs），并采用简单液相化学还原法制备了单金属（Pd/CNTs、Pd/N-CNTs）、双金属（NiCo/CNTs、NiCo/N-CNTs、PdNi/CNTs、PdCo/CNTs、PdNi/N-CNTs、PdCo/N-CNTs）和三金属（PdNiCo/CNTs、PdNiCo/N-CNTs）催化剂。通过糠醛加氢反应评价了催化剂的催化性能。对催化剂的电子活性中心、表面活性中心和纳米结构进行了表征。并进一步探讨了上述织构特征与催化剂性能之间的关系。在PdNiCo/N-CNTs催化剂上，糠醛转化率为100%，四氢糠醇的选择性为97.1%，而在PdNiCo/CNTs催化剂上，四氢糠醇的选择性仅为41.8%。研究表明，PdNiCo/N-CNTs催化剂的催化性能优于其他催化剂，这主要是由于PdNiCo本身的合金纳米结构以及PdNiCo金属纳米颗粒与N-CNTs之间的电子协同效应。此外，PdNiCo/N-CNTs中存在较弱的碱性位，大大提高了其催化性能。
Nitrogen-doped carbon nanotubes (N-CNTs) was synthesized via covalent functionalization, and the monometallic (Pd/CNTs, Pd/N-CNTs), bimetallic (NiCo/CNTs, NiCo/N-CNTs, PdNi/CNTs, PdCo/CNTs, PdNi/N-CNTs, PdCo/N-CNTs) and trimetallic (PdNiCo/CNTs, PdNiCo/N-CNTs) catalysts were prepared by simple liquid chemical reduction. The catalytic performance of as-obtained catalysts was evaluated by furfural hydrogenation. The properties of electron and surface active sites and nanostructures of as-prepared catalysts were characterized. And the relationship between the above-mentioned characteristic textures and catalytic performance of as-synthesized catalysts was further discussed and established. 97.1% selectivity to tetrahydrofurfuryl alcohol could be obtained over PdNiCo/N-CNTs (furfural conversion-100%), but tetrahydrofurfuryl alcohol selectivity was only 41.8% when using PdNiCo/CNTs. This investigation confirmed that the catalytic performance of PdNiCo/N-CNTs was much more excellent than other catalysts mainly due to its own PdNiCo alloy nanostructure and the electronic synergy effect between PdNiCo metallic nanoparticles and N-CNTs. Furthermore, there were much weaker basic sites in PdNiCo/N-CNTs, which greatly increased its catalytic properties.
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影响因子：
4
作者：
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影响因子：
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用于钾离子电池阳极的金属有机框架衍生的氮掺杂碳纳米管
影响因子：
8.4
作者：
Xiong, Peixun;Zhao, Xinxin;Xu, Yunhua
通讯作者：
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影响因子：
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作者：
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