Controllable synthesis of monodisperse Mn3O4 and Mn2O3 nanostructures via a solvothermal route

Controllable synthesis of monodisperse Mn3O4 and Mn2O3 nanostructures via a solvothermal route
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通过溶剂热途径可控合成单分散 Mn3O4 和 Mn2O3 纳米结构

DOI:
10.1016/j.matlet.2010.11.042
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发表时间:
2011-02-28
期刊:
影响因子:
3
通讯作者:
Yang, Yanzhao
Yang, Yanzhao
中科院分区:
材料科学3区
文献类型:
--
作者:
Liu, Ling;Yang, Hongxiao;Yang, Yanzhao

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通过引入聚(乙烯基吡咯烷酮)/硬脂酸(PVP/SA)混合物,开发了一种简便的一步溶剂热路线来合成单分散Mn3O4和Mn2O3纳米结构。 H2O2 在产物 Mn3O4 和 Mn2O3 的测定中发挥了关键作用。研究了纳米结构 MnOx 的合成参数(例如表面活性剂和反应时间)及其对形态和组成的影响。 Mn3O4 和 Mn2O3 的形态演变揭示了纳米结构是通过两种不同的纳米晶体成核和生长机制形成的。 (C) 2010 Elsevier B.V. 保留所有权利。
A facile one-step solvothermal route was developed to synthesize monodisperse Mn3O4 and Mn2O3 nanostructures with the introduction of poly(vinyl-pyrrolidone)/stearic acid (PVP/SA) mixture. H2O2 played a key role in the determination of the products Mn3O4 and Mn2O3. The synthesis parameters for nanostructured MnOx such as surfactant and reaction time were investigated, along with their influences on morphology and composition. The morphology evolution of the Mn3O4 and Mn2O3 reveals that the nanostructures formed via two distinct mechanisms of nucleation and growth of nanocrystals. (C) 2010 Elsevier B.V. All rights reserved.