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Yolk-shell nanospheres with soluble amino-polystyrene as a reservoir for Pd NPs
Lan, Guojun1,2; Zhang, Xiaoming2; Zhang, Xiaomin2; Li, Mingrun2; Li, Ying1; Yang, Qihua2
刊名RSC ADVANCES
2015
DOI10.1039/c5ra04923g
5期:45页:35730-35736
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]IMMOBILIZED PALLADIUM NANOPARTICLES ; CATALYTIC-ACTIVITY ; CORE-SHELL ; ACETOPHENONE ; HYDROGENATION ; SELECTIVITY ; SILICA ; SIZE ; NANOSTRUCTURE ; SUPPORT
英文摘要The fabrication of silica/polymer composites with high polymer content, high stability and unique nanostructures still remains a difficult task though they have wide potential applications in the field of sensing, catalysis, bio-imaging and so on. Herein, the synthesis of yolk-shell nanospheres with soluble amino-polystyrene as a core material (PS-NH2@mesoSiO(2) YSNs) have been reported, which is achieved by successive nitration and reduction of polystyrene nanospheres (PS) confined in silica hollow shells. Both the thermal stability and anti-swelling ability of PS-NH2 in the core of yolk-shell nanospheres are greatly enhanced due to the confinement effect. PS-NH2@mesoSiO(2) could be used as a reservoir for stabilizing Pd NPs. PS-NH2@mesoSiO(2) YSNs with high amino content have high anti-swelling ability and result in Pd NPs with small particle size and high stability. Pd/PS-NH2@mesoSiO(2) is an efficient catalyst for the selective hydrogenation of acetophenone (AP) to produce alpha-phenyl ethanol (PE). NH2 groups in the core of PS-NH2@mesoSiO(2) yolk-shell nanospheres not only stabilize Pd nanoparticles but also provide basic surroundings for suppressing the hydrogenolytic splitting of the C-OH to improve the selectivity for alpha-phenyl ethanol.
语种英语
WOS记录号WOS:000353648400046
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146220
专题中国科学院大连化学物理研究所
作者单位1.Zhejiang Univ Technol, Inst Ind Catalysis, Hangzhou 310014, Zhejiang, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Lan, Guojun,Zhang, Xiaoming,Zhang, Xiaomin,et al. Yolk-shell nanospheres with soluble amino-polystyrene as a reservoir for Pd NPs[J]. RSC ADVANCES,2015,5(45):35730-35736.
APA Lan, Guojun,Zhang, Xiaoming,Zhang, Xiaomin,Li, Mingrun,Li, Ying,&Yang, Qihua.(2015).Yolk-shell nanospheres with soluble amino-polystyrene as a reservoir for Pd NPs.RSC ADVANCES,5(45),35730-35736.
MLA Lan, Guojun,et al."Yolk-shell nanospheres with soluble amino-polystyrene as a reservoir for Pd NPs".RSC ADVANCES 5.45(2015):35730-35736.
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