A study on effect of MgO nanoparticles loading on the electrical conducting properties of polyvinyl alcohol/polyaniline polymer composite films

被引:5
作者
Kanavi, Pratibha S. [1 ]
Meti, Sunil [2 ]
Fattepur, Raghavendra H. [3 ]
Patil, Veerabhadragouda B. [4 ]
Hunagund, Shirajahammad M. [5 ]
Patil, Shivaraj A. [6 ]
Inamdar, Sanjeev R. [6 ]
机构
[1] Rani Channamma Univ, Basaveshwar Sci Coll, CNR Rao Res Ctr, Bagalkot 587101, Karnataka, India
[2] Natl Inst Technol Karnataka, Dept Met & Mat Engn, Surathkal 575025, India
[3] Raichur Univ, Dept Phys, Raichur 584101, Karnataka, India
[4] Univ Pardubice, Fac Chem Technol, Inst Energet Mat, Pardubice 53210, Czech Republic
[5] Nagarjuna Coll Engn & Technol, Dept Phys, Bengaluru, Bengaluru 562164, Karnataka, India
[6] Karnatak Univ, CPEPA Dept Phys, Laser Spect Programme, Dharwad 580003, Karnataka, India
关键词
Sol-gel method; MgO nanoflakes; Electrical property; MgO morphology; Thermal stability; Polymer nanocomposites; PHOTOCATALYTIC ACTIVITY; POLYANILINE; NANOCOMPOSITES; FABRICATION;
D O I
10.1007/s11051-022-05610-4
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In this work, the polyvinyl alcohol/polyaniline/magnesium oxide (PPM) polymer nanocomposite films were fabricated for electrical conductivity studies. Initially, the magnesium oxide (MgO) nanoparticles were synthesized by sol-gel method. Different PPM films were fabricated by varying the weight percent (0.2, 0.4, 0.6 and 1%) of MgO in the polyvinyl alcohol/polyaniline polymer blend. The films were obtained by casting the PPM solution in the Petri-dish and dried. The crystallinity and morphology of MgO and PPM films were characterized by the X-ray diffraction spectroscopy and field emission scanning electron microscopy (FESEM). The absorption spectra of MgO and PPM films were obtained by UV-visible spectroscopy. The Fourier transform infrared (FTIR) spectra were obtained to determine the chemical nature. The thermal stability of the films was studied by the differential scanning calorimetry (DSC) and thermo-gravimetric analysis (TGA) techniques. The temperature-dependent (up to 150 degrees C) electrical conductivity of the PPM films was analysed by impedance equipment within the frequency band of 4 Hz to 1 MHz. The variation of MgO nanoparticles concentration in the polymer composite matrix and the increase in temperature influences the electrical conductivity of the films.
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页数:14
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