RCEES OpenIR  > 环境纳米技术与健康效应重点实验室
Influence of Cu-substituted hydrotalcite precursors and derived oxides
Yu, JJ; Jiang, Z; Kang, SF; Hao, ZP; Hu, C
2005
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
Volume18Issue:2Pages:251-256
AbstractThe coprecipitation method was used to prepare a series of different oxides (CuO: 0, 5%, 10%, 15%, 20%, 30% and 40%) derived from Cu substituted Mg/Al-mixed anionic clay precursors (hydrotalcites) at the ratio of M2+/M3+ = 3. In order to study influences of Cu and Mg content upon the performance of these materials, such characterization techniques as X-ray diffraction, thermogravimetrical analysis, differential scanning calorimetry, temperature programmed reaction and Fourier transform infrared reflectance spectra, were used. The results showed that complete structure of hydrotalcite precursors could be formed when CuO ≤ 30%. When CuO ≥ 40%, Cu(OH)(2) phase appeared. Homogeneous composite oxides can be obtained by high temperature calcination at CuO ≤ 20%. When CuO > 20%, CuO phase was isolated. The content of Cu and Mg had significant influences on thermal stability of materials. The reduction ability of materials was related to calcination temperatures and material composition.
Department环境纳米材料实验室
KeywordHydrotalcite Precursors Composite Oxides Structure Characterization
WOS Research AreaPhysics
WOS IDWOS:000228910100020
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/23257
Collection环境纳米技术与健康效应重点实验室
Recommended Citation
GB/T 7714
Yu, JJ,Jiang, Z,Kang, SF,et al. Influence of Cu-substituted hydrotalcite precursors and derived oxides[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2005,18(2):251-256.
APA Yu, JJ,Jiang, Z,Kang, SF,Hao, ZP,&Hu, C.(2005).Influence of Cu-substituted hydrotalcite precursors and derived oxides.CHINESE JOURNAL OF CHEMICAL PHYSICS,18(2),251-256.
MLA Yu, JJ,et al."Influence of Cu-substituted hydrotalcite precursors and derived oxides".CHINESE JOURNAL OF CHEMICAL PHYSICS 18.2(2005):251-256.
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