Piezoelectric-semiconductor hybrids as next generation nanostructures for water remediation

In this chapter, we introduce the piezophotocatalyst as an innovative approach to wastewater treatment. Initially, we provide a concise overview of conventional photocatalysis, highlighting its advantages and disadvantages. One significant challenge addressed is recombination, and we explore efforts to mitigate this issue. The chapter then delves into the principles of the piezoelectric effect and its potential applications across various sectors. Moving forward, we examine the preparation and characterization techniques of piezoelectric materials. Additionally, we explore the diverse forms of renewable energy that can activate these materials. The discussion includes a brief overview of the types of external energy employed in piezophotocatalytic processes. Furthermore, we investigate the efficacy of piezophotocatalysis in treating different types of water pollutants. Toward the conclusion of the chapter, we touch upon the challenges and prospects within the field of piezophotocatalysis.