Correct Answer - Option 2 : PVDF
Piezoelectric Effect:
- It is the ability of certain materials to generate an electric charge (response) in response to applied mechanical stress.
- When piezoelectric material is placed under mechanical stress, a shifting of the positive and negative charge centers in the material takes place, which then results in an external electrical field
- When reversed, an outer electrical field either stretches or compresses the piezoelectric material.
Piezoelectric polymers: Piezopolymers are lightweight and small in size, thus growing in popularity for technological application.
Polyvinylidene fluoride (PVDF) demonstrates piezoelectricity that is several times larger than quartz.
It is often used in the medical field such as in medical suturing and medical textiles.