fig5
From: Challenges and progress of chemical modification in piezoelectric composites and their applications
Figure 5. Piezoelectric materials chemically modified by silane coupling agents. (A) The schematic diagram of silane coupling agent modified ZnO and PVDF-TrFE[60]. Copyright 2019, Elsevier; (B) β nucleating effect of the KNN nanorods in the PVDF matrix[55]. Copyright 2019, Springer US. (C) schematic illustration of surface functionalization method and strong bonds between the nanoparticles and the polymer matrix after the ultraviolet curing process[58]. Copyright 2019, Springer Nature.
