一种新型纳米复合聚合物的合成与表征

IF 0.6 Q4 PHYSICS, MULTIDISCIPLINARY Ukrainian Journal of Physics Pub Date : 2023-10-20 DOI:10.15407/ujpe68.9.638
A.S. Al-Kabbi, S.J. Abbas
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引用次数: 0

摘要

采用界面聚合法制备了聚苯胺:PVA-g-EI纳米复合材料的一维纳米结构。通过x射线衍射(XRD)、能量色散x射线分析(EDX)、透射电子显微镜(TEM)和红外光谱(FTIR)研究了所得绿色粉末的性质。用紫外可见光谱和光致发光光谱(PL)对制备的薄膜进行了表征。纳米复合材料的XRD谱图表明,较高体积分数的晶相对应的聚苯胺聚合物具有公认的PVA单斜晶胞。透射电镜和扫描电镜图像均显示出不规则的纳米颗粒簇状排列,证明了非均匀堆积的团聚现象。EDX证实PVA-g-EI被整合到聚合物纳米复合材料的结构中。吸收边的明显变化和三个与PL无关的发射峰再次证实了PANI/PVA-g-EI形成了纳米复合材料。
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Synthesis and Characterization of a Novel Nanocomposite Polymer
One-dimensional nanostructures of PANI: PVA-g-EI nanocomposite are prepared by the interfacial polymerization method. The properties of a resulting green powder are studied by the X-ray diffraction (XRD), energy-dispersive X-ray analysis (EDX), transmission electron microscopy (TEM), and infrared spectroscopy (FTIR). Prepared thin films were characterized by UV-Vis and photoluminescence (PL) spectroscopies. The XRD pattern of the nanocomposite shows that the higher volume fraction of crystalline phases corresponds to the PANI polymer with the accepted monoclinic unit cell of PVA. Nano-sized irregular particles arranged in clusters appear in the TEM measurements and SEM images, which testifies to the agglomeration without uniform packing. EDX confirms that the PVA-g-EI is incorporated in the structure of the polymer nanocomposite. A significant shift in the absorption edge with three PL independent emission peaks again confirms that PANI/PVA-g-EI form a nanocomposite.
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来源期刊
Ukrainian Journal of Physics
Ukrainian Journal of Physics PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.20
自引率
20.00%
发文量
244
期刊介绍: Ukrainian Journal of Physics is the general physics edition of the Department of Physics and Astronomy of the National Academy of Sciences of Ukraine. The journal publishes original papers and reviews in the fields of experimental and theoretical physics.
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