Zhenguo An
Chinese Academy of Sciences
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Publication
Featured researches published by Zhenguo An.
CrystEngComm | 2010
Zhenguo An; Jingjie Zhang; Shunlong Pan
Dendritic and flower-like cobalt superstructures have been selectively prepared by a facile hydrothermal route. The synthetic process involves the chemical reduction of cobalt ions and the oriented growth of cobalt nanocrystals under kinetic control independent of surfactants or external magnetic field. The dendritic superstructures are found to be composed of well-aligned metallic cobalt dendrites radiating from the center. Upon adding 0.3 M of potassium sodium tartrate (C4H4KNaO6·4H2O) into the reaction system, flower-like cobalt superstructures consisting of spear-like petals attached to a mutual core can be prepared instead of the dendritic ones. The size and morphology of the products can be tailored by properly tuning the process conditions and the component of the reaction solution. The magnetic properties of the products have been studied as well and the results demonstrate that the products present ferromagnetic properties related to the corresponding microstructures. Based on a series of contrast experiments, the probable growth mechanism and fabrication process of the products have been proposed. This work provides a facile and effective strategy to fabricate self assembled cobalt hierarchical superstructures with tunable morphologies.
Dalton Transactions | 2009
Zhenguo An; Jingjie Zhang; Shunlong Pan
Novel glass/Fe3O4 core/shell composite hollow spheres with the shell layer assembled by multi-layered wafers were successfully synthesized by reduction of a glass/alpha-Fe2O3 precursor, which was obtained through a facile solvothermal process. The effects of some reaction parameters on the morphology of the shell layers and the magnetic properties of the products were investigated.
Materials Letters | 2011
Bing Li; Jing Yuan; Zhenguo An; Jingjie Zhang
Powder Technology | 2012
Zhenguo An; Jingjie Zhang; Shunlong Pan; Guangzhi Song
Materials Chemistry and Physics | 2010
Shunlong Pan; Zhenguo An; Jingjie Zhang; Guangzhi Song
Journal of Physics and Chemistry of Solids | 2009
Zhenguo An; Jingjie Zhang; Shunlong Pan
Particuology | 2012
Jing Yuan; Zhenguo An; Bing Li; Jingjie Zhang
Materials Chemistry and Physics | 2010
Zhenguo An; Jingjie Zhang; Shunlong Pan
Dalton Transactions | 2010
Zhenguo An; Jingjie Zhang; Shunlong Pan
Materials Letters | 2012
Zhenguo An; Jingjie Zhang