ICCAS OpenIR
Preparation and characterization of porous carbon beads and their application in dispersing small metal crystallites
Li, FB; Huang, J; Zou, J; Pan, PL; Yuan, GQ
2002
Source PublicationCARBON
ISSN0008-6223
Volume40Issue:15Pages:2871-2877
AbstractPorous carbon beads were prepared by the pyrolysis of poly(vinylidene chloride) beads that were synthesized by suspension polymerization. After prolysis treatment at 180-300 degreesC under argon stream, the polymeric beads were further carbonized at 1000 degreesC for 3 h under argon stream to acquire porous carbon beads, of which the specific surface area was about 1000 m(2)/g, and pore size was mainly in the width range of 0.8-1.2 nm. The carbon structure and surface chemical composition characterized by X-ray diffraction and X-ray photoelectron spectroscopy, depended on the preparation temperature and the relations between them were examined. The characterization of the carbon beads by scanning electron microscopy, atomic force microscopy presented the morphological structure of the carbon beads surface and a global view of pores. The dispersion of nickel crystallites on the carbon beads surface was characterized by electron microprobe analysis. This study reveals that uniform surface morphological structure leads to the fine dispersion of metal crystallites. (C) 2002 Elsevier Science Ltd. All rights reserved.
KeywordCarbon Beads Carbonization Heat Treatment Microstructure Surface Properties
Indexed BySCI
Language英语
WOS IDWOS:000179347900014
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79490
Collection中国科学院化学研究所
Corresponding AuthorYuan, GQ
AffiliationChinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, FB,Huang, J,Zou, J,et al. Preparation and characterization of porous carbon beads and their application in dispersing small metal crystallites[J]. CARBON,2002,40(15):2871-2877.
APA Li, FB,Huang, J,Zou, J,Pan, PL,&Yuan, GQ.(2002).Preparation and characterization of porous carbon beads and their application in dispersing small metal crystallites.CARBON,40(15),2871-2877.
MLA Li, FB,et al."Preparation and characterization of porous carbon beads and their application in dispersing small metal crystallites".CARBON 40.15(2002):2871-2877.
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