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Surface-binding-mediated growth of monodisperse cobalt-doped ceria nanocrystals
Qiu N(裘南); Zhang J(张静); Zheng LR(郑黎荣); Chang GC(常广才); 吴自玉;Qiu, N; Zhang, J; Zheng, LR; Chang, GC; Hashishin, T; Ohara, S; Wu, ZY
2014
发表期刊RSC ADVANCES
卷号4期号:31页码:16033-16038
摘要In this study, we explore a new strategy to tailor the growth process of monodisperse nanocrystals. By means of X-ray diffraction, high-resolution transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray fluorescence spectrometry, and X-ray absorption spectroscopy, it is found that the growth of ceria followed Ostwald ripening, and polydispersed ceria nanocrystals were obtained in a hydrothermal condition. With the addition of cobalt to the growing ceria nanocrystals, cobalt acted as a surface dopant and preferred to bind on the surface of large-sized ceria nanocrystals via Co-O-Ce bonds. The binding could modulate the Ostwald ripening process and narrow the size distribution. With the competition between cobalt dopants and Ce monomers onto the surface of nanocrystals, monodisperse cobalt-doped nanocrystals were formed. This route is expected to be applicable to a variety of monodisperse doped nanocrystals.
学科领域Chemistry
DOI10.1039/c3ra47661h
收录类别SCI
WOS记录号WOS:000334681800026
引用统计
被引频次:3[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/311005/225344
专题多学科研究中心
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GB/T 7714
Qiu N,Zhang J,Zheng LR,et al. Surface-binding-mediated growth of monodisperse cobalt-doped ceria nanocrystals[J]. RSC ADVANCES,2014,4(31):16033-16038.
APA 裘南.,张静.,郑黎荣.,常广才.,吴自玉;Qiu, N.,...&Wu, ZY.(2014).Surface-binding-mediated growth of monodisperse cobalt-doped ceria nanocrystals.RSC ADVANCES,4(31),16033-16038.
MLA 裘南,et al."Surface-binding-mediated growth of monodisperse cobalt-doped ceria nanocrystals".RSC ADVANCES 4.31(2014):16033-16038.
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