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The influence of carbon surface chemistry on supported palladium nanoparticles in heterogeneous reactions
Ding, YX; Zhang, LY; Wu, KH; Feng, ZB; Shi, W; Gao, Q; Zhang, BS; Su, DS; Su, DS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-10-15
发表期刊JOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
卷号480页码:175-183
摘要The surface chemistry of nanocarbon support can tailor chemical properties of precious metal nanoparticle/nanocarbon hybrid catalyst in heterogeneous reactions. We report on modified reduced graphene oxide (rGO) support with ionic liquid-derived carbonaceous surface for palladium nanoparticle (Pd NPs) decoration and their actions in different heterogeneous reactions. The surface chemistry of support materials was characterized in detail, and the influence of which on the formation and distribution of metal particles was further investigated. Three different types of reactions including Suzuki-Miyaura coupling reaction, CO oxidation and phenol reduction were examined in terms of reactivity and selectivity. The roles of substituted nitrogen in graphitic lattice and grafted groups on the carbon surface were exploited. Nitrogen-doping can give rise to changes in electronic properties of supported metals, and the Lewis basicity of the doped nitrogen atoms can favor the adsorption of acidic reactants in phenol reduction. The grafted groups derived a negative impact to the Suzuki-Miyaura coupling reaction, due to the involvement of larger reactant molecules, despite that they could prevent significant sintering of Pd NPs in the CO oxidation. (C) 2016 Published by Elsevier Inc.
部门归属[ding, yuxiao ; zhang, liyun ; wu, kuang-hsu ; feng, zhenbao ; shi, wen ; zhang, bingsen ; su, dang sheng] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [ding, yuxiao ; gao, qiang] max planck inst chem energy convers, d-101365 mulheim, germany
关键词Pd Nanoparticles Reduced Graphene Oxide Surface Chemistry Ionic Liquid Heterogeneous Catalysis
学科领域Chemistry, Physical
资助者MOST [2011CBA00504]; NSFC of China [21203214, 21133010, 51221264, 21261160487]; Youth Innovation Promotion Association (CAS); "Strategic Priority Research Program" of the Chinese Academy of Sciences [XDA09030103]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76236
专题中国科学院金属研究所
通讯作者Su, DS (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Ding, YX,Zhang, LY,Wu, KH,et al. The influence of carbon surface chemistry on supported palladium nanoparticles in heterogeneous reactions[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2016,480:175-183.
APA Ding, YX.,Zhang, LY.,Wu, KH.,Feng, ZB.,Shi, W.,...&Su, DS .(2016).The influence of carbon surface chemistry on supported palladium nanoparticles in heterogeneous reactions.JOURNAL OF COLLOID AND INTERFACE SCIENCE,480,175-183.
MLA Ding, YX,et al."The influence of carbon surface chemistry on supported palladium nanoparticles in heterogeneous reactions".JOURNAL OF COLLOID AND INTERFACE SCIENCE 480(2016):175-183.
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