Insight of electrical behavior in ferroelectric‐semiconductor polymer nanocomposite films of PVDF/ZnSe and PVDF/Cu:ZnSe

Abstract

Nanocomposite thin films (NCTF) of low-dimensional ZnSe and copper doped ZnSe integrated poly(vinylidene fluoride) (PVDF) polymer were developed via simple solution casting method. Herein, ZnSe and Cu:ZnSe nanoparticles were synthesized through the chemical reduction technique. The obtained low-dimensional nanoparticles and NCTFs were characterized by XRD, SEM/EDS, TEM, and FTIR analysis. Room temperature dielectric and ferroelectric characteristics of PVDF/ZnSe flexible NCTF exhibited superior dielectric and ferroelectric behavior with a high coercive field of 15.6 V. Whereas, the dielectric and ferroelectric characteristics were greatly diminished in the PVDF/Cu:ZnSe flexible NCTF was due to the conducting behavior of copper ions at the interface of the polymer network. These results indicated that the PVDF/ZnSe flexible NCTF will be a potential candidate for advanced electrical applications and device fabrication.

Interface Optimization of Metal Quantum Dots/Polymer Nanocomposites and their Properties: Studies of Multi-Functional Organic/Inorganic Hybrid

“…To enhance the dielectric, ferroelectric, and piezoelectric properties, some nanomaterials/PVDF blends are also an effective approach. Some typical nanocomposites are as follows: Fe-doped ZnO/PVDF-TrFE composite films [18], GO/PVDF/ZnO composite membranes [19], PVDF/PVDF-TrFE blended films [20], PVDF-based copolymer and terpolymer [21], PVDF/ZnSe and PVDF/Cu-ZnSe [22], MWCNTs/PVDF [23], electrospun PVDF/cellulose nanofibers [24], Au NPs/PVDF nanocomposite for nerve tissue engineering applications [25], PVDF/BaTiO 3 /carbon nanotubes nanocomposites [26], ZnMn 2 O 4 particles filled PVDF-based composites [27], and PVDF/ZnO nanofibrous composites [28]. Zhao and co-workers [29] introduced the high lithium salt content of h-BN nanosheets/PVDF-based solid-state composite polymer electrolytes.…”