The intrinsic piezoelectric properties of materials – a review with a focus on biological materials

RSC Adv. 2021 Sep 15;11(49):30657-30673. doi: 10.1039/d1ra03557f. eCollection 2021 Sep 14.

ABSTRACT

Piezoelectricity, a linear electromechanical coupling, is of great interest due to its extensive applications including energy harvesters, biomedical, sensors, and automobiles. A growing amount of research has been done to investigate the energy harvesting potential of this phenomenon. Traditional piezoelectric inorganics show high piezoelectric outputs but are often brittle, inflexible and may contain toxic compounds such as lead. On the other hand, biological piezoelectric materials are biodegradable, biocompatible, abundant, low in toxicity and are easy to fabricate. Thus, they are useful for many applications such as tissue engineering, biomedical and energy harvesting. This paper attempts to explain the basis of piezoelectricity in biological and non-biological materials and research involved in those materials as well as applications and limitations of each type of piezoelectric material.

PMID:35498945 | PMC:PMC9041315 | DOI:10.1039/d1ra03557f

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