DICP OpenIR
Low temperature synthesis of perovskite oxide using the adsorption properties of cellulose
Shao, ZP; Xiong, GX; Ren, YJ; Cong, Y; Yang, WS
Source PublicationJOURNAL OF MATERIALS SCIENCE
2000-11-01
Volume35Issue:22Pages:5639-5644
Indexed BySCI
SubtypeArticle
Department5
Funding Project504
WOS HeadingsScience & Technology ; Technology
WOS SubjectMaterials Science, Multidisciplinary
WOS Research AreaMaterials Science
WOS KeywordCATALYTIC PROPERTIES ; MIXED OXIDES ; PRECURSORS ; TRANSITION ; POWDERS
AbstractLa-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.
Language英语
URL查看原文
WOS IDWOS:000165090300018
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/85177
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
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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