fig7
From: Challenges and progress of chemical modification in piezoelectric composites and their applications

Figure 7. Composite piezoelectric films prepared by grafting nanoparticles with polymers. (A) The mechanism of the grafting reaction; (B) schematic of the fabrication of PVDFNF-IGO composite nanofibers[67]. Copyright 2021, Elsevier Ltd; (C) the synthesis procedure of the PMMA@BaTiO3 nanowires by ATRP technology[71]. Copyright 2021, Elsevier BV; (D) schematic illustration of the fabrication of layered CPNF membranes[72]. Copyright 2022, Elsevier Ltd.