| CYCU-3孔内合成聚吡咯及其电导性能表征 |
| Synthesis and Conductivity of Polypyrrole in CYCU-3 |
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| 摘要: 以具有一维介孔孔道的金属有机框架材料CYCU-3作为主体材料，采用碘氧化法在其孔道内进行了吡咯的聚合反应，从而得到了复合材料PPy@CYCU-3。利用粉末X射线衍射、扫描电镜、热重、红外、荧光光谱等对CYCU-3、吸附吡咯后的Py@CYCU-3以及孔内聚合后的复合材料PPy@CYCU-3进行了表征，证明了孔内聚合的成功进行，而且在聚合过程中，CYCU-3基本保持了结构的稳定，形貌也未发生改变。而且，PPy@CYCU-3复合材料是具有多孔性和电导性的多功能材料。氮气吸附表明该材料为典型的微孔材料，其BET比表面积为420 m2·g-1。电导测试表明该材料的电导率为10-7 S·cm-1，高于CYCU-3的电导率（σ≈10-13 S·cm-1）6个数量级，是一种半导体材料。 |
| 关键词: 金属有机框架材料 孔内聚合 电导 |
| 基金项目: 国家自然科学基金（No.21871105，21531003，21501064）资助项目 |
| Abstract: Using a metal-organic framework (MOF) called CYCU-3 with one-dimensional (1D) mesoporous channels as the host material, the polymerization of pyrrole was carried out in the pores by iodine oxidation method to obtain the composite material PPy@CYCU-3. Powdered X-ray diffraction (PXRD), scanning electron microscopy (SEM), thermogravimetry (TG), infrared (IR), fluorescence spectroscopy, etc. were used to characterize the synthesized CYCU-3, Py@CYCU-3 which is obtained after adsorption of pyrrole and PPy@CYCU-3 in pores. It is demonstrated that the polymerization in the pores was successful. In addition, CYCU-3 remained structurally stable and its morphology did not change during the polymerization. The composite PPy@CYCU-3 is multifunctional material with porosity and electrical conductivity. Nitrogen adsorption measurement indicated that the material was a typical microporous material with a BET specific surface area of 420 m2·g-1. Conductivity tests indicate that the material has a conductivity of 10-7 S·cm-1, which is six orders of magnitude higher than the conductivity of CYCU-3 (σ≈10-13 S·cm-1) and it is a semiconductor material. |
| Keywords: metal-organic frameworks composites conductivity |
| 投稿时间：2019-09-15 修订日期：2019-09-27 |
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| 周盈汐,王会锋,孙福兴.CYCU-3孔内合成聚吡咯及其电导性能表征[J].无机化学学报,2019,35(11):2095-2100. |
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