Synergistic effects of Ti\(_{3}\)C\(_{2}\)T\(_{x}\) MXene on the structural and dielectric properties of blend-based dielectrics

Nitesh Kumar NATH; Rajanikanta PARIDA; Bichitra Nanda  PARIDA; Nimai C. NAYAK

doi:10.55713/jmmm.v35i1.2274

Authors

Nitesh Kumar NATH Micro and Nano Materials Laboratory, Department of Chemistry, Faculty of Engg &Technology (ITER), Siksha ‘Anusandhan (Deemed to be University), Khandagiri Square, Bhubaneswar, Odisha-751030, India
Rajanikanta PARIDA Department of physics, Faculty of Engg & Technology (ITER), Siksha ‘O’Anusandhan (Deemed to be University), Khandagiri Square, Bhubaneswar, Odisha-751030, India
Bichitra Nanda PARIDA Central Institute of Technology, Kokrajhar (Deemed to be University, MHRD, Govt. of India) BTAD, Assam-783370, India
Nimai C. NAYAK Micro and Nano Materials Laboratory, Department of Chemistry, Faculty of Engg &Technology (ITER), Siksha ‘Anusandhan (Deemed to be University), Khandagiri Square, Bhubaneswar, Odisha-751030, India

DOI:

https://doi.org/10.55713/jmmm.v35i1.2274

Keywords:

2D composite, MXene, Dielectrics, Structural, Morphology

Abstract

The PVDF/PMMA-Ti₃C₂Tx MXene composite (PMC) films are processed via the solution casting method. The various phases (α, β) of PVDF have been identified through analysis using an X-ray diffractometer and Fourier transform infrared spectroscopy instruments. The maximum percentage β phase (%) obtained was 73.15%, which corresponds to a 10.0 wt% composite film. The structural analysis revealed that the Ti₃C₂T_x nanoparticles are immiscibly distributed throughout the blend matrix, allowing the electrical conductivity and dielectric constant values to noticeably increase at constant frequency. The highest dielectric loss of 0.077 and the highest dielectric constant (ε_r) of 191.5 (at 100 Hz) were observed in the nanocomposites (NCs) film having 20 wt% Ti₃C₂T_x MXene. The relative permittivity rises with increasing filler content because of high electrostatics and the interfacial polarization between the neat blend (‒CH₂‒CF₂ dipole) and filler. The percolation behavior is displayed by the conducting composite, and the percolation threshold has been shown to be more than 20 wt% MXene. The present study offers a novel perspective on the enhanced structural and dielectric properties of the composite system.

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