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Dynamics of intercalation of B4O5(OH)(2-)(4) anion into layered double hydroxides intercalated by Cl- anion
Gou, GJ; Ma, PH; Chu, MX
2005-03-10
发表期刊CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
卷号26期号:3页码:497-502
文章类型Article
摘要The dynamics feature of intercalation and assembly of B4O5(OH)(4)(2-) into layered double hydroxides intercalated by Cl- was investigated in this paper, based on the result of monitoring for viriation of solution concentration during the reaction course, and the results of EDS, IR, XRD, TEM and TG-DTA characterization for the samples produced from different reaction course. The results testified that the displacement of Cl- accorded with Stumm's kinetics pattern, the intercalation of B4O5(OH)(4)(2-) was controlled by diffusion course pattern. The investigation proved that the brucite layer structure and micropore structure feature of the precursor remained intact after ionic exchange, but the intercalation of bulky complicated B4O5(OH)(4)(2-) resulted in volume expansion of unit cell in c axial, increasing of micropore specific surface area, decreasing of grain size, and varying of thermodynamic action. The lattice parameter c aggrandized from 2.399 nm to 2.558 nm, the gallery height h aggrandized from 0.322 8 nm to 0.375 6 nm, with grain size decreasing of D. from 15.16 nm to 8.92 nm, D. from 10.93 nm to 4.55 nm, while specific surface area increased from 92.63 m(2)/g to 111.20 m(2)/g, and the thermodynamic action and TG-DTA characteristic was altered.
关键词Precursor Ldh-cl Ionic Exchange Intercalation And Assembly Reaction Course
WOS标题词Science & Technology ; Physical Sciences
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000228021800024
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5751
专题青海盐湖研究所知识仓储
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810003, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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GB/T 7714
Gou, GJ,Ma, PH,Chu, MX. Dynamics of intercalation of B4O5(OH)(2-)(4) anion into layered double hydroxides intercalated by Cl- anion[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2005,26(3):497-502.
APA Gou, GJ,Ma, PH,&Chu, MX.(2005).Dynamics of intercalation of B4O5(OH)(2-)(4) anion into layered double hydroxides intercalated by Cl- anion.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,26(3),497-502.
MLA Gou, GJ,et al."Dynamics of intercalation of B4O5(OH)(2-)(4) anion into layered double hydroxides intercalated by Cl- anion".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 26.3(2005):497-502.
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