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Influence of the counterion on the synthesis of ZnO mesocrystals under solvothermal conditions

机译:抗衡离子对溶剂质条件下ZnO中晶体合成的影响

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Polymers and coordinating solvents have been shown to serve as templating agents to assist the precipitation of ZnO nanoparticles and address their morphology. In this work we show for the first time that a difference in the coordination strength between the polymer (poly-N-vinylpyrrolidone (PVP)) and the two Zn~(II) precursor salts (nitrate and acetate) is able to promote or suppress the formation of mesocrystalline structures and even more importantly to tune their three-dimensional organization. On the basis of FTIR and ~(13)C NMR spectroscopic studies, we propose that not only the polymer (PVP) but also the solvent (DMF) play a key role as directing agents.
机译:已经证明了聚合物和配位溶剂作为模板剂,以帮助ZnO纳米颗粒的沉淀并解决它们的形态。 在这项工作中,我们首次展示了聚合物(聚N-乙烯基吡咯烷酮(PVP))和两个Zn〜(II)前体盐(硝酸盐和乙酸酯)之间的配位强度差异能够促进或抑制 形成中晶结构的形成,更重要的是调整其三维组织。 在FTIR和〜(13)C NMR光谱研究的基础上,我们提出不仅是聚合物(PVP),而且还提出溶剂(DMF)起到引导剂的关键作用。

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