Ni Ion-Induced Optical, Structural, and Electrical Properties of Polyaniline/Polyvinyl Chloride Composites

被引:0
|
作者
Sharma, Saloni [1 ,2 ]
Singh, Kanchan L. [3 ]
Kumar, Mukesh [4 ]
Kumar, Rajesh [5 ]
Prasher, Sangeeta [6 ]
机构
[1] Hans Raj Mahila MahaVidyalya, Dept Phys, Jalandhar 144008, Punjab, India
[2] Punjab Tech Univ, Dept Phys, Kapurthala 144603, Punjab, India
[3] DAVIET, Dept Appl Sci, Jalandhar 144008, Punjab, India
[4] Lovely Profess Univ, Dept Phys, Phagwara 144411, Punjab, India
[5] Guru Gobind Singh Indraprastha Univ, Dept Phys, New Delhi 110078, India
[6] Kanya Maha Vidyalaya, Dept Phys, Jalandhar 144004, Punjab, India
关键词
Micrograph; Ni7+ ion beam; Scherrer formula; tristimulus chromaticity; electromagnetic interference shielding; SWIFT HEAVY-IONS; CONDUCTING POLYMERS; ELECTROCHEMICAL SENSORS; ENERGY-STORAGE; FILMS; BIOCOMPATIBILITY; POLYACETYLENE; POLYPYRROLE; IRRADIATION; DERIVATIVES;
D O I
10.1007/s11664-024-11516-9
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Thin films of polyaniline/polyvinyl chloride (PANI/PVC) composites synthesized and irradiated with a nickel ion (Ni7+) beam using flux of 3.125x10(9) particles/cm(2)/s and fluence ranging between 3x10(11) and 1x10(13) particles/cm(2) 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.
引用
收藏
页码:129 / 140
页数:12
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