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Heteropoly Acid/Nitrogen Functionalized Onion-like Carbon Hybrid Catalyst for Ester Hydrolysis Reactions
Liu, Wei; Qi, Wei; Guo, Xiaoling; Su, Dangsheng; wqi@imr.ac.cn; dssu@imr.ac.cn
2016
Source PublicationCHEMISTRY-AN ASIAN JOURNAL
ISSN1861-4728
Volume11Issue:4Pages:491-497
AbstractA novel heteropoly acid (HPA)/nitrogen functionalized onion-like carbon (NOLC) hybrid catalyst was synthesized through supramolecular (electrostatic and hydrogen bond) interactions between the two components. The chemical structure and acid strength of the HPA/NOLC hybrid have been fully characterized by thermogravimetric analysis, IR spectroscopy, X-ray photoelectron spectroscopy, NH3 temperature-programmed desorption and acid-base titration measurements. The proposed method for the fabrication of the HPA/NOLC hybrid catalyst is a universal strategy for different types of HPAs to meet various requirements of acidic or redox catalysis. The hydrophobic environment of NOLC effectively prevents the deactivation of HPA in an aqueous system, and the combination of uniformly dispersed HPA clusters and the synergistic effect between NOLC and HPA significantly promotes its activity in ester hydrolysis reactions, which is higher than that of bare PWA as homogeneous catalyst. The kinetics of the hydrolysis reactions indicate that the aggregation status of the catalyst particles has great influence on the apparent activity.
description.department[liu, wei ; qi, wei ; guo, xiaoling ; su, dangsheng] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [guo, xiaoling] dalian univ technol, lab adv mat & catalyt engn, dalian 116024, peoples r china
KeywordHeterogeneous Catalysis Heteropoly Acid Hydrolysis Onion-like Carbon Support
Funding OrganizationNSFC of China [21303226, 21133010, 51221264, 21261160487]; "Strategic Priority Research Program" of the Chinese Academy of Sciences; China Postdoctoral Science Foundation [2012M520651]
Indexed Bysci
Language英语
WOS IDWOS:000371494500011
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74876
Collection中国科学院金属研究所
Corresponding Authorwqi@imr.ac.cn; dssu@imr.ac.cn
Recommended Citation
GB/T 7714
Liu, Wei,Qi, Wei,Guo, Xiaoling,et al. Heteropoly Acid/Nitrogen Functionalized Onion-like Carbon Hybrid Catalyst for Ester Hydrolysis Reactions[J]. CHEMISTRY-AN ASIAN JOURNAL,2016,11(4):491-497.
APA Liu, Wei,Qi, Wei,Guo, Xiaoling,Su, Dangsheng,wqi@imr.ac.cn,&dssu@imr.ac.cn.(2016).Heteropoly Acid/Nitrogen Functionalized Onion-like Carbon Hybrid Catalyst for Ester Hydrolysis Reactions.CHEMISTRY-AN ASIAN JOURNAL,11(4),491-497.
MLA Liu, Wei,et al."Heteropoly Acid/Nitrogen Functionalized Onion-like Carbon Hybrid Catalyst for Ester Hydrolysis Reactions".CHEMISTRY-AN ASIAN JOURNAL 11.4(2016):491-497.
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