Various self-assembled three-dimensional hierarchical architectures of La2(MoO4)3: controlled synthesis, growth mechanisms, luminescence properties and adsorption activities

Nanoscale
Lin XuWenhua Hou

Abstract

Tetragonal La2(MoO4)3 with various novel and complex 3D hierarchical architectures self-assembled from different building blocks were successfully synthesized by a hydrothermal method in EDTA-mediated processes. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM) were employed to characterize the as-obtained products. It was found that morphology modulation could be easily realized simply by changing the amount of EDTA introduced into the reaction system. The amount of EDTA not only affected the substructures of the hierarchical structures, but also determined the size distributions of the final products. The formation mechanisms for different hierarchical architectures were proposed on the basis of a series of time-dependent experiments. An investigation on the photoluminescence (PL) properties of La2(MoO4)3:Eu with different morphologies revealed that the optical properties were strongly correlated with the morphology and size. Furthermore, as highlighted by the fascinating hierarchical structures of La2(MoO4)3, the potential application of La2(MoO4)3 as an absorbent in water treatment was also investigated for the fir...Continue Reading

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Sep 18, 2013·Chemical Society Reviews·Anna M Kaczmarek, Rik Van Deun
Mar 21, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Shaohua HuangPiaoping Yang
Jul 6, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiao-yan KuangYuan-zhi Shao
Apr 21, 2014·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Rumin LiPiaoping Yang
Jul 5, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiaolin LiuQingming Shen

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