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Low temperature synthesis of perovskite oxide using the adsorption properties of cellulose
Shao, ZP; Xiong, GX; Ren, YJ; Cong, Y; Yang, WS
刊名JOURNAL OF MATERIALS SCIENCE
2000-11-01
35期:22页:5639-5644
收录类别SCI
文章类型Article
部门归属5
项目归属504
WOS标题词Science & Technology ; Technology
类目[WOS]Materials Science, Multidisciplinary
研究领域[WOS]Materials Science
关键词[WOS]CATALYTIC PROPERTIES ; MIXED OXIDES ; PRECURSORS ; TRANSITION ; POWDERS
英文摘要La-0.8Sr(0).2CoO(3) (LSCO) oxide powder was prepared using the adsorption properties of cellulose. The preparation process was studied by XRD, FTIR, TG-DTA and CO2-TPD techniques. The results of XRD, IR and TG-DTA testified that cellulose could successfully reserve the homogeneity of the solution system to the solid precursor. During the early stage of pyrolysis, cellulose was partially oxidized, and some COO- groups appeared in its texture, which were then complexed with the adsorbed metal ions, and effectively suppressed the aggregation of metal ions. Formation of a pure perovskite and the properties of the powder resulted were found to be significantly influenced by the cellulose to metal nitrate ratio. Also the properties of the resulting powder were greatly influenced by the calcination conditions. If the produced carbon dioxide could not be eluted in time, carbonate would be formed in the bulk. Hence, a high calcination temperature (> 800 degreesC) was needed to acquire a pure phase LSCO. At optimized conditions, nano-crystal LSCO could be obtained at as low as 500 degreesC.
语种英语
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WOS记录号WOS:000165090300018
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被引频次:17[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/321008/85177
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Shao, ZP,Xiong, GX,Ren, YJ,et al. Low temperature synthesis of perovskite oxide using the adsorption properties of cellulose[J]. JOURNAL OF MATERIALS SCIENCE,2000,35(22):5639-5644.
APA Shao, ZP,Xiong, GX,Ren, YJ,Cong, Y,&Yang, WS.(2000).Low temperature synthesis of perovskite oxide using the adsorption properties of cellulose.JOURNAL OF MATERIALS SCIENCE,35(22),5639-5644.
MLA Shao, ZP,et al."Low temperature synthesis of perovskite oxide using the adsorption properties of cellulose".JOURNAL OF MATERIALS SCIENCE 35.22(2000):5639-5644.
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