Recent advancement in synthesis and applications of layered double hydroxides (LDHs) composites

Layered double hydroxides (LDHs) have generated a lot of interest recently because of their many benefits, which include a straightforward synthesis process, cost-effectiveness, high catalytic activity, biocompatibility, and a large specific surface area. These materials are distinctive due to their two-dimensional structures, exceptional ion exchange capabilities, reasonable interlayer spaces, highly adjustable interior architecture, and high porosities. The widespread applications of LDHs, such as in energy storage and conversion, water splitting, drug delivery, sensors, and wastewater treatment, have been extensively documented. Typically, LDHs are synthesized using particular three-dimensional structures or produced as composites using nanomaterials tailored to their intended applications. To tackle challenges and explore potential advancements, this article delves into the emerging trends and future prospects of LDH materials. Additionally, it discusses strategies related to the design of LDHs, with a focus on structural aspects, aimed at facilitating their potential applications. The article aims to provide insights into addressing challenges, highlighting future directions, and reviewing the design strategies for LDHs in various potential applications.