NDLI: Self-assembly of Mesoporous Ni–P Nanosphere Catalyst with Uniform Size and Enhanced Catalytic Activity in Nitrobenzene Hydrogenation

Content Provider	Springer Nature Link
Author	Wang, Yu Chen, Xueying Yue, Bin He, Heyong
Copyright Year	2012
Abstract	Mesoporous Ni–P amorphous alloy nanospheres with controllable sizes and compositions were synthesized by chemical reduction of Ni(OH)$_{2}$ colloidal particles co-assembling with surfactant hexadecyl-trimethyl-ammonium bromide in liquid crystal mesophase using hypophosphite as reductant. The effects of the synthesis conditions on the particle size, composition and mesostructure of the mesoporous Ni–P nanospheres were systematically studied. It was found that the size of the mesoporous Ni–P nanospheres could be tuned from 35 to 90 nm by changing the reduction temperature, and the phosphorus content of the Ni–P products could be adjusted in the range of 20.1 to 27.6 % by changing the molar ratio of H$_{2}$PO$_{2}$ $^{−}$/Ni$^{2+}$. The active surface area and the thermal stability of the mesoporous Ni–P nanosphere catalyst are much higher than those for the conventional nonporous Ni–P amorphous alloy. In the liquid phase hydrogenation of nitrobenzene, the typical mesoporous Ni–P nanosphere catalyst exhibits much higher activity and better selectivity than the conventional nonporous Ni–P. The correlation between the catalytic performance and the structural properties is discussed based on the results of detailed characterization.
Starting Page	1022
Ending Page	1031
Page Count	10
File Format	PDF
ISSN	10225528
Journal	Topics in Catalysis
Volume Number	55
Issue Number	14-15
e-ISSN	15729028
Language	English
Publisher	Springer US
Publisher Date	2012-08-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nickel phosphide Mesoporous Surfactant self-assembly Size and shape control Amorphous alloy Nitrobenzene hydrogenation Aniline Pharmacy Catalysis Industrial Chemistry/Chemical Engineering Characterization and Evaluation of Materials Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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