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题名: Hydrothermal syntheses of hollow carbon nano-materials by Ostwald ripening
作者: Chen Kai1, 2;  Ma Ding1;  Huang Wei-Xin2;  Bao Xin-He1
关键词: hydrothermal synthesis ;  Ostwald ripening ;  hollow structure ;  carbon material ;  starch
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2008-08-01
卷: 29, 期:8, 页:1501-1504
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
英文摘要: A facile method to fabricate carbon nano-materials, with starch as a carbon precursor and ferrous salt as an additive, was reported. TEM studies indicated that the FeOOH nanorods were first. generated as templates, on which carbon deposited, leading to the formation of FeOOH/carbon core-shell composite nanowires. With longer reaction time, the FeOOH cores can be dissolved spontaneously, leaving hollow carbon nanorods. The mechanism of this dissolution was attributed to Ostwald ripening. When glucose or CD was used as the precursor, hollow carbon spheres would be obtained, which could be attributed to the different surfactant. effects of those precursors. This provides a very efficient method to prepare hollow carbon nanostructures via the one-pot synthesis approach. The new synthetic method has a potential to be extended to the preparation of various hollow nanostructures.
关键词[WOS]: SPHERES ;  NANOSTRUCTURES ;  NANOPARTICLES ;  ENCAPSULATION ;  PROPERTY ;  POLYMERS ;  ROUTE
语种: 英语
WOS记录号: WOS:000258807300001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140959
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Sci & Technol China, Dept Chem Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China

Recommended Citation:
Chen Kai,Ma Ding,Huang Wei-Xin,et al. Hydrothermal syntheses of hollow carbon nano-materials by Ostwald ripening[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2008,29(8):1501-1504.
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