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Synthesis and evolution of rod-like nano-scaled ZnC2O4 center dot 2H(2)O whiskers to ZnO nanoparticles
Guo, L; Ji, YL; Xu, HB; Wu, ZY; Simon, P; Wu ZY(吴自玉)
2003
发表期刊JOURNAL OF MATERIALS CHEMISTRY
卷号13期号:4页码:754-757
通讯作者Beihang Univ, Sch Mat Sci & Engn, Beijing 100083, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Max Planck Inst Chem Phys Solids, Dresden, Germany
文章类型Article
摘要A new route has been developed to prepare rod-like nano-scaled ZnC2O4.2H(2)O whiskers using dodecylbenzenesulfonic acid sodium salt (DBS) as a template. Rod-like nano-scaled ZnC2O4.2H(2)O whiskers with diameters of 200-300 nm and lengths in the range of 5-20 mum were prepared successfully. The structure and morphology changes on heat treatment of the as-prepared product were investigated by means of scanning electron microscopy (SEM), X-ray powder diffractometry (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis (TG). By heating the rod-like nano-scaled ZnC2O4.2H(2)O whiskers below 280 degreesC, rod-like anhydrous nano-scaled beta-ZnC2O4 whiskers with several small holes were obtained. On increasing the temperature to 500 degreesC, the rod-like nano-scaled whiskers broke into ZnO nanoparticles with diameters of 50 60 nm and display wurtzite crystal structure. On heating the products to 1280 degreesC, the particles gradually melted into each other to form blocks with smooth surfaces which keep the same phase structure. When we compare the products of this method with the crystalline octahedron ZnC2O4.2H(2)O prepared in aqueous solution, we can conclude that the surfactant DBS plays a pivotal role in the shape and structure formation. ZnC2O4.2H(2)O whiskers were formed in a microreactor formed by DBS, thus the size and shape of the microreactor determines and limits the product's shape and diameter as well as the temperature.
学科领域Chemistry; Materials Science
研究领域[WOS]Chemistry ; Materials Science ; Chemistry ; Materials Science
DOI10.1039/b210472e
URL查看原文
语种英语
研究领域[WOS]Chemistry ; Materials Science ; Chemistry ; Materials Science
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary
WOS记录号WOS:000181670900027
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被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238427
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Guo, L,Ji, YL,Xu, HB,et al. Synthesis and evolution of rod-like nano-scaled ZnC2O4 center dot 2H(2)O whiskers to ZnO nanoparticles[J]. JOURNAL OF MATERIALS CHEMISTRY,2003,13(4):754-757.
APA Guo, L,Ji, YL,Xu, HB,Wu, ZY,Simon, P,&吴自玉.(2003).Synthesis and evolution of rod-like nano-scaled ZnC2O4 center dot 2H(2)O whiskers to ZnO nanoparticles.JOURNAL OF MATERIALS CHEMISTRY,13(4),754-757.
MLA Guo, L,et al."Synthesis and evolution of rod-like nano-scaled ZnC2O4 center dot 2H(2)O whiskers to ZnO nanoparticles".JOURNAL OF MATERIALS CHEMISTRY 13.4(2003):754-757.
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