A Concise Review Encircling Lead Free Porous Piezoelectric Ceramics

Lead free porous piezoelectric ceramics have been the motivation behind research by numerous scientists in perspective of environmental friendly, less dense, wide performance advantages over monolithic and polymer piezoelectric materials with enhanced figure of merit.In this review, a collective entity regarding the processing of porous piezoelectric compounds by various methods, lead free piezoelectric families like BaTiO3 (BT), Ba1-xCaxTi1-y ZryO3 (BCZT), (Bi0.5Na0.5)TiO3(BNT), (K0.5Na0.5)NbO3(KNN) and their solid solutions are reported.Porosity configuration, pore forming agents, and various applications in porous lead free piezoelectric ceramic have also been discussed.This review herein has discussed in terms of the tendency to work with lead free porous piezoelectric ceramics.