Inorganic Chemicals Industry >
Preparation of CuO@HHSS catalyst and its catalytic properties for reduction of p-nitrophenol
Received date: 2020-08-11
Online published: 2020-12-15
On the basis of preparing hollow silica sphere（HHSS） by hydrothermal method,CuO@HHSS composite catalysts were prepared with copper nitrate as raw material by ultrasonic assisted-impregnation method.The morphology and structure of the prepared catalyst were characterized by means of X-ray diffraction（XRD）,nitrogen adsorption and desorption,X-ray photoelectron spectroscopy（XPS）,scanning electron microscopy（SEM） and transmission electron microscopy（TEM） etc..Results showed that the CuO@HHSS catalyst still maintained the hierarchical nano hollow structure of HHSS.CuO particles were highly dispersed on the HHSS surface,which showed a high specific surface area（488.9 m2/g）.The catalytic reduction reaction of p-nitrophenol（4-NP） was used as a model reaction to investigate the catalytic performance of CuO and CuO@HHSS catalysts for reduction of 4-NP.The results revealed that CuO@HHSS had excellent catalytic performance at different 4-NP concentrations and catalyze NaBH4 to convert 4-NP to p-aminophenol（4-AP） within 200 s.
Meng Chen , Wanliang Yang , Yingnan Duan , Mengkui Tian . Preparation of CuO@HHSS catalyst and its catalytic properties for reduction of p-nitrophenol[J]. Inorganic Chemicals Industry, 2020 , 52(12) : 92 -97 . DOI: 10.11962/1006-4990.2020-0424
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