fig5
From: Challenges and progress of chemical modification in piezoelectric composites and their applications
![Challenges and progress of chemical modification in piezoelectric composites and their applications](https://image.oaes.cc/070d0fcb-dcef-471e-9790-390f913bc388/5605.fig.5.jpg)
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.