TY - JOUR
T1 - Ni Ion-Induced Optical, Structural, and Electrical Properties of Polyaniline/Polyvinyl Chloride Composites
AU - Sharma, Saloni
AU - Singh, Kanchan L.
AU - Kumar, Mukesh
AU - Kumar, Rajesh
AU - Prasher, Sangeeta
N1 - Publisher Copyright:
© The Minerals, Metals & Materials Society 2024.
PY - 2024
Y1 - 2024
N2 - Thin films of polyaniline/polyvinyl chloride (PANI/PVC) composites synthesized and irradiated with a nickel ion (Ni7+) beam using flux of 3.125×109 particles/cm2/s and fluence ranging between 3×1011 and 1×1013 particles/cm2 were investigated with respect to their optical, structural, and electrical properties. The photoluminescence (PL) analysis showed that swift heavy ion (SHI) irradiation caused the creation of new color centers, which were diminished at greater fluence. With irradiation, both the direct and indirect band gaps decreased, making the materials more conducive to conduction. However, the direct band gap was smaller than the indirect band gap. Fourier transform infrared (FTIR) analysis showed that the aromatic nature of PANI was not disturbed by SHI irradiation. The variation in capacitance with frequency indicated that the material can be used for electromagnetic interference (EMI) shielding, and the shielding properties are modified by ion irradiation. Scanning electron microscopy (SEM) analysis revealed that irradiation of the polymer with Ni7+ leads to chain scissoring and cluster formation, whereas at higher fluence, smaller parts are rearranged to form micro-clusters. Graphical Abstract: (Figure presented.).
AB - Thin films of polyaniline/polyvinyl chloride (PANI/PVC) composites synthesized and irradiated with a nickel ion (Ni7+) beam using flux of 3.125×109 particles/cm2/s and fluence ranging between 3×1011 and 1×1013 particles/cm2 were investigated with respect to their optical, structural, and electrical properties. The photoluminescence (PL) analysis showed that swift heavy ion (SHI) irradiation caused the creation of new color centers, which were diminished at greater fluence. With irradiation, both the direct and indirect band gaps decreased, making the materials more conducive to conduction. However, the direct band gap was smaller than the indirect band gap. Fourier transform infrared (FTIR) analysis showed that the aromatic nature of PANI was not disturbed by SHI irradiation. The variation in capacitance with frequency indicated that the material can be used for electromagnetic interference (EMI) shielding, and the shielding properties are modified by ion irradiation. Scanning electron microscopy (SEM) analysis revealed that irradiation of the polymer with Ni7+ leads to chain scissoring and cluster formation, whereas at higher fluence, smaller parts are rearranged to form micro-clusters. Graphical Abstract: (Figure presented.).
KW - Micrograph
KW - Ni ion beam
KW - Scherrer formula
KW - electromagnetic interference shielding
KW - tristimulus chromaticity
UR - http://www.scopus.com/inward/record.url?scp=85207249752&partnerID=8YFLogxK
U2 - 10.1007/s11664-024-11516-9
DO - 10.1007/s11664-024-11516-9
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AN - SCOPUS:85207249752
SN - 0361-5235
JO - Journal of Electronic Materials
JF - Journal of Electronic Materials
ER -