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首页> 外文期刊>Journal of materials science >Fabrication and characterization of polyaniline, polyaniline/MgO(30%) and polyaniline/MgO(40%) nanocomposites for their employment in LPG sensing at room temperature
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Fabrication and characterization of polyaniline, polyaniline/MgO(30%) and polyaniline/MgO(40%) nanocomposites for their employment in LPG sensing at room temperature

机译：聚苯胺，聚苯胺/ MgO（30％）和聚苯胺/ MgO（40％）纳米复合材料的制备与表征，可用于室温LPG传感

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摘要

Nanostructured polyaniline (PANI), PANI/MgO(30%) and PANI/MgO(40%) nanocomposites were successfully synthesized. Several characterization methods were employed to probe the optical, morphological, elemental and structural properties of PANI and PANI/MgO nanocomposites such as Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), energy dispersive X-ray (EDX) analysis and X-ray diffraction (XRD). SEM images of PANI and PANI/MgO nanocomposites showed the porosity of the synthesized materials. The XRD patterns of PANI, PANI/MgO(30%) and PANI/MgO(40%) were scrutinized to compute their crystallite sizes which were found to be 2nm, 35nm and 43nm respectively. LPG sensing investigations were also performed at room temperature for the synthesized materials and their response and recovery times were calculated. PANI/MgO(40%) nanocomposites reflected the lower response and recovery times in comparison to PANI and PANI/MgO(30%).
机译：纳米结构聚苯胺（PANI），PANI / MgO（30％）和PANI / MgO（40％）纳米复合材料已成功合成。几种表征方法被用来探测PANI和PANI / MgO纳米复合材料的光学，形态，元素和结构特性，例如傅立叶变换红外（FTIR）光谱，扫描电子显微镜（SEM），能量色散X射线（EDX）分析和X射线衍射（XRD）。 PANI和PANI / MgO纳米复合材料的SEM图像显示了合成材料的孔隙率。仔细检查PANI，PANI / MgO（30％）和PANI / MgO（40％）的XRD图谱，以计算其微晶尺寸，分别为2nm，35nm和43nm。还在室温下对合成材料进行LPG感测研究，并计算了它们的响应和恢复时间。与PANI和PANI / MgO（30％）相比，PANI / MgO（40％）纳米复合材料反映出较低的响应和恢复时间。

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  • 来源
    《Journal of materials science》 |2019年第5期|4487-4498|共12页
  • 作者

    Singh Neetu; Singh Prabhat Kumar; Singh Mridula; Tandon Poonam; Singh Saurabh Kumar; Singh Satyendra;

  • 作者单位

    Univ Lucknow, Dept Phys, Macromol Res Lab, Lucknow 226007, Uttar Pradesh, India;

    Univ Lucknow, Dept Phys, Macromol Res Lab, Lucknow 226007, Uttar Pradesh, India;

    Univ Lucknow, Dept Phys, Macromol Res Lab, Lucknow 226007, Uttar Pradesh, India;

    Univ Lucknow, Dept Phys, Macromol Res Lab, Lucknow 226007, Uttar Pradesh, India;

    Pt Deen Dayal Upadhyay Govt Girls PG Coll, Dept Chem, Lucknow 226017, Uttar Pradesh, India;

    Maharana Pratap Govt PG Coll, Dept Phys, Hardoi 241001, UP, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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