Recent advancement in ZnAl-LDH-mediated systems towards photocatalytic energy and environmental applications and piezo polarized photocatalytic reactions: synthesis to application <i>via</i> mechanistic insights

reduction, and piezo-polarized induced photocatalytic pollutant degradation. Furthermore, the progression of ZnAl-LDH-based high-performance catalysts with a detailed analysis of best-suited characterization techniques has been systematically reviewed to validate the structural characteristics of high-performance catalysts. The mechanisms described in the photocatalytic processes are also thoroughly reviewed. Lastly, the review highlights the advantages, challenges, and compliance perspective in designing ZnAl-LDH-based high-performance photocatalysts for energy production and environmental applications. This review serves as a gateway for exploiting ZnAl-LDH as components to design advanced catalytic materials for future energy safety and ecological deliverance.