| 室温下原位制备正六边形碘化铅纳米片 |
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| 引用本文： | 何琴,孙经伦,李大鹏,黄保军. 室温下原位制备正六边形碘化铅纳米片[J]. 信阳师范学院学报(自然科学版), 2018, 0(1): 100-103 |
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| 作者姓名： | 何琴 孙经伦 李大鹏 黄保军 |
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| 作者单位： | 许昌学院化学化工学院;许昌学院河南省微纳米能量储存与转换材料重点实验室;许昌学院表面微纳米材料研究所; |
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| 摘 要： | 室温下,以铅片(Pb)和碘(I2)为主要反应物,通过简单的浸泡方法原位合成了具有正六边形结构的碘化铅(PbI2)纳米片.借用X-射线衍射仪(XRD)和扫描电子显微镜(SEM)对所得的样品进行了表征,并研究了实验条件对产物的影响.结果表明:反应时间、碘(I2)的浓度、反应介质以及反应温度等条件对产物的形貌和尺寸有明显的影响.当I2浓度为0.026mol/L、反应时间为10min、温度为25℃时,可以得到厚度约100nm、宽度约2~3μm的正六边形PbI2纳米片.
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| 关 键 词： | 室温 原位制备 碘化铅 |
In-situ Preparation of Hexagonal Lead Iodide Nanoflakes at Room Temperature |
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| Affiliation: | ,College of Chemistry and Chemical Engineering,Xuchang University,Key Laboratory of Micro-Nano Materials for Energy Storage and Conversion of Henan Province,Xuchang University,Institute of Surface Micro-Nano Materials,Xuchang University |
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| Abstract: | Lead iodide(PbI2)nanoflakes with hexagonal structure were in-situ synthesized by taking advantage of a simple soak method with lead foil and elemental iodine as the main raw materials at room temperature.The synthesized samples were characterized by powder X-ray diffraction(XRD)and scanning electron microscopy(SEM),and the effects of reaction conditions on the products were studied at the same time.The results showed that the morphologies and dimensions of the as-prepared samples were obviously influenced by the reaction conditions including reaction time,iodine concentration,reaction medium and reaction temperature.The hexagonal PbI2 nanoflakes with the thickness and size about 100 nm and 2~3μm were obtained when the concentration of I2 was 0.026 mol/L,the reaction time was 10 min and the reaction temperature was 25℃,respectively. |
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| Keywords: | room temperature in-situ synthesis lead iodide |
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