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Preparation of Palladium Catalysts Supported on Carbon Nanotubes by an Electrostatic Adsorption Method
L. Y. Zhang; G. D. Wen; H. Y. Liu; N. Wang; D. S. Su
2014
Source PublicationChemcatchem
ISSN1867-3880
Volume6Issue:9Pages:2600-2606
AbstractPd nanoparticles supported on carbon nanotubes (CNTs) with an average Pd size of around 1nm were synthesized successfully by a facile strong electrostatic adsorption (SEA) method. CNTs functionalized with various surface oxygen functional groups (SFGs) were obtained by treating the raw CNTs with concentrated HNO3 or HNO3/H2SO4. The SFGs could decrease the point of zero charge (PZC) of the CNTs and promoted the adsorption of Pd cationic complexes on the CNTs. In particular, the intrinsic and insitu formed (hydrolyzed from carboxylic anhydride groups) carboxylic acid groups of the CNTs during the adsorption process mainly influenced the adsorption of Pd cationic complexes. The SEA method was superior to the traditional incipient wetness impregnation method for the synthesis of highly dispersed Pd catalysts, which exhibited a high specific activity for the Suzuki coupling reaction.
description.department[zhang, liyun ; wen, guodong ; liu, hongyang ; su, dang sheng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [zhang, liyun] chinese acad sci, grad univ, beijing 100049, peoples r china. [wang, ning] hong kong univ sci & technol, dept phys, hong kong, hong kong, peoples r china. ; su, ds (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; dssu@imr.ac.cn
KeywordCc Coupling Nanoparticles Nanotubes Palladium Supported Catalysts Cross-coupling Reactions Selective Hydrogenation Heterogeneous Catalysis Pd Nanoparticles Oxidation Cinnamaldehyde Alcohol Silica Acid
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73498
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
L. Y. Zhang,G. D. Wen,H. Y. Liu,et al. Preparation of Palladium Catalysts Supported on Carbon Nanotubes by an Electrostatic Adsorption Method[J]. Chemcatchem,2014,6(9):2600-2606.
APA L. Y. Zhang,G. D. Wen,H. Y. Liu,N. Wang,&D. S. Su.(2014).Preparation of Palladium Catalysts Supported on Carbon Nanotubes by an Electrostatic Adsorption Method.Chemcatchem,6(9),2600-2606.
MLA L. Y. Zhang,et al."Preparation of Palladium Catalysts Supported on Carbon Nanotubes by an Electrostatic Adsorption Method".Chemcatchem 6.9(2014):2600-2606.
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