Novel yolk-shell polymer/carbon@Au nanocomposites by using dendrimer-like mesoporous silica nanoparticles as hard template
Du, Xin1; Zhao, Caixia1; Li, Xiaoyu2; Huang, Hongwei3; Wen, Yongqiang1; Zhang, Xueji1; Li, Jianqiang2
2017-04-05
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号700页码:83-91
摘要The uniform yolk-shell structured resorcinol formaldehyde (RF) nanocapsules containing a lot of ultrafine Au nanoparticles (NPs) in the cavity have been successfully fabricated by smartly employing dendrimer-like mesoporous silica nanoparticles (DMSNs) with three-dimensional dendritic superstructure as hard template. DMSNs have three advantages as the template to support the loading of more active species on particle surface (1), produce the rough internal surface of the RF nanocapsules (2), and cause the formation of large mesopores in the shell (3). Porous hollow carbon nanospheres containing many Au NPs in the cavity were fabricated by calcining DMSNs-NH2@Au NPs@RF in inert atmosphere and subsequently removing silica template. The RF nanocapsules@Au NPs exhibit excellent catalytic activity and stability in the model catalytic reduction reaction of 4-nitrophenol due to the unique structure of RF nanocapsules coupled with ultra-dispersed Au NPs. (C) 2017 Elsevier B.V. All rights reserved.
关键词Yolk-shell Structure Resorcinol-formaldehyde Nanocapsules Porous Hollow Carbon Nanospheres Dendrimer-like Silica Nanoparticles Nanocasting Nanocatalysts
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jallcom.2017.01.066
收录类别SCI
语种英语
关键词[WOS]RESORCINOL-FORMALDEHYDE RESIN ; CORE-SHELL ; CARBON SPHERES ; CATALYTIC-ACTIVITY ; HOLLOW SILICA ; BIOMEDICAL APPLICATIONS ; PORE CHANNELS ; NANOSPHERES ; NANOSTRUCTURES ; MONODISPERSE
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China(21501009) ; High-Level Talent Introduction Plan of University of Science & Technology Beijing(06500017) ; Fundamental Research Funds for the Central Universities(FRF-TP-15-019A1)
WOS记录号WOS:000394075200012
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22002
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Univ Sci & Technol Beijing, Sch Chem & Biol Engn, Res Ctr Bioengn & Sensing Technol, Beijing Key Lab Bioengn & Sensing Technol, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.China Univ Geosci, Sch Mat Sci & Technol, Beijing 100083, Peoples R China
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Du, Xin,Zhao, Caixia,Li, Xiaoyu,et al. Novel yolk-shell polymer/carbon@Au nanocomposites by using dendrimer-like mesoporous silica nanoparticles as hard template[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,700:83-91.
APA Du, Xin.,Zhao, Caixia.,Li, Xiaoyu.,Huang, Hongwei.,Wen, Yongqiang.,...&Li, Jianqiang.(2017).Novel yolk-shell polymer/carbon@Au nanocomposites by using dendrimer-like mesoporous silica nanoparticles as hard template.JOURNAL OF ALLOYS AND COMPOUNDS,700,83-91.
MLA Du, Xin,et al."Novel yolk-shell polymer/carbon@Au nanocomposites by using dendrimer-like mesoporous silica nanoparticles as hard template".JOURNAL OF ALLOYS AND COMPOUNDS 700(2017):83-91.
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