期刊
APPLIED CATALYSIS A-GENERAL
卷 514, 期 -, 页码 248-252出版社
ELSEVIER
DOI: 10.1016/j.apcata.2016.01.035
关键词
Co-B amorphous alloy; Supporting method; Carbon nanotubes; Hydrogenation; m-Chloronitrobenzene
资金
- National Natural Science Foundation of China [21276048]
- Education Department of Heilongjiang Province [12541060]
- Youth Foundation of Northeast Petroleum University [2013NQ112]
Carbon nanotubes (CNTs)-supported Co-B amorphous alloy catalysts, with selective deposition of Co-B particles inside or outside of CNTs (labeled as Co-B-in/CNTs and Co-B-out/CNTs), were prepared based on the difference in the interface energies of organic and aqueous solutions with the CNTs surface. The catalysts were tested for the liquid-phase hydrogenation of m-chloronitrobenzene (m-CNB) to m-chloroaniline. Compared with Co-B-out/CNTs, Co-B-in/CNTs shows smaller, homogeneous size, and greatly improved thermal stability. The hydrogenation of m-CNB over Co-B-out/CNTs occurs on the outside of CNTs, while the hydrogenation of m-CNB over Co-B-in/CNTs occurs in the nanospace inside of CNTs. Co-B-in/CNTs exhibits a much higher activity than Co-B-out/CNTs. (C) 2016 Elsevier B.V. All rights reserved.
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