期刊
JOURNAL OF CATALYSIS
卷 339, 期 -, 页码 9-13出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2016.03.015
关键词
Layered double hydroxide; Layered double oxide; Nickel-based; Core-shell; Nanocomposite; Selectivity; Benzonitrile; Hydrogenation; Water switch
资金
- National Natural Science Foundation of China [21376060]
- Natural Science Foundation of Hebei Province [B2014201024]
Two novel layered double hydroxide (LDH)/layered double oxide (LDO)-coated nickel-based core-shell nanocomposites were first prepared from a hydrotalcite-like precursor. Water was found to act as a switch to tune the structures and acid-base properties between Ni@mSiO(2)@LDO and Ni@mSiO(2)@LDH, as demonstrated by transmission electron microscopy and temperature-programmed desorption of ammonia, resulting in chemoselective hydrogenation of benzonitrile to afford N-benzylidenebenzylamine (selectivity 92.3%) and benzylamine (selectivity 76.1%), respectively. (C) 2016 Elsevier Inc. All rights reserved.
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