所述的一种超小、纯相bi25feo40纳米颗粒的制备方法,其特征在于:包括以下步骤:将bi(no3)3·5h2o和fe(no3)3·9h2o按25:1的物质的量比加入到烧杯中,边搅拌边缓慢滴加10%稀硝酸至完全溶解,再加入pamam树形分子水溶液,置于室温下搅拌2～4h,使bi3+和fe3+与树形分子充分配位,将搅拌速度调至800r·min-1以上,...
SEM和TEM等分析测试手段对所制得Bi25FeO40粉体的物相组成和晶粒 形貌等性质进行了研究,并详细讨论了水热反应温度,反应时间和矿化剂浓度等对晶体生长和粉体制备的影响.结果表明,采用这种低温水热技术制备出的产品为纯 的Bi25FeO40陶瓷粉体,在微观结构上呈现出三角锥和立方体结构,最佳工艺条件为[Fe]=[Bi]=0.2...
采用水热法,以Bi(NO_3)_3·5H_2O和Fe(NO_3)_3·9H_2O为水热反应的铋源和铁源,在钛基板上制备Bi_(25)FeO_(40)。研究了不同反应物配比,水热反应时间、温度、矿化剂种类和浓度对产物物相及形貌的影响,并且初步探讨了Bi_(25)FeO_(40)的水热生长机理。关键...
通过水热法制备了Bi25FeO40及Bi25FeO40/GO。利用SEM、XRD、TEM、UV-vis等手段对所制备的材料进行了表征。以罗丹明B模拟废水染料,对制备的材料进行了光催化性能测试。实验结果表明,Bi25FeO40/GO比Bi25FeO40具有更好的光芬顿催化性能,这是因为GO的掺入增加了复合物对罗丹明B的吸...
摘要 本发明公开了一种微波水热法制备新型光催化材料Bi25FeO40-BiFeO3粉体的方法,(1)将FeCl3·6H2O和Bi(NO3)3·5H2O溶解于适量乙二醇中配成母盐溶液;(2)将母盐溶液滴加到浓度为0.1-0.5mol/L的氨水溶液中,滴定速度小于2mL/min,滴定结束后,继续搅拌0.4-1h得到沉淀物;(3)将沉淀物用去离子水反复清洗,陈化,...
[Springer Proceedings in Physics] Recent Trends in Materials and Devices Volume 178 || Structural, Optical and Magnetic Properties of Bi25FeO40 Nanoparticles Synthesized by Hydrothermal Method 来自 onAcademic 喜欢 0 阅读量: 17 作者:VK Jain,S Rattan,A Verma ...
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In the present work, magnetically recyclable Bi/Bi25FeO40-C nanocomposites were synthesized through a one-step hydrothermal approach and then analyzed. The analysis results manifested that non-toxic and biodegradable sodium alginate takes a key role in successful preparation of Bi/Bi25FeO40-C. ...
25FeO40/rGO catalyst with efficient photocatalytic performance for phenolic compounds under visible light doi:10.1039/C4RA11355ATo improve the utilization efficiency of the Bi25FeO40 catalyst, Bi25FeO40-reduced graphene oxide (rGO) composite photo-catalysts were prepared by a facile hydrothermal method...