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Unlocking the potential of photocatalysts: Recent advances in layered double hydroxide and future outlook
Bavani Thirugnanam1, Preeyanghaa Mani2, Munusamy Settu3
1Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore 641021, India; Centre for Energy and Environment, Karpagam Academy of Higher Education, Coimbatore 641021, India.
Abstract:
Layered double hydroxides (LDHs) have emerged as a promising class of photocatalysts with remarkable properties for diverse energy and environmental-related applications. This review offers insights into recent advances in LDH-based photocatalysts, focusing on their synthesis methods, structural properties, and photocatalytic performance. The unique structure of LDHs, characterized by positively charged metal hydroxide layers and intercalated anions, presents opportunities for tailoring their properties to enhance photocatalytic performance. The mechanisms for pollutant degradation, water splitting, and CO2 reduction are discussed, along with strategies to enhance the efficacy and stability of LDH-based photocatalysts. The photocatalytic mechanisms of LDHs for various reactions, including pollutant degradation, water splitting, and CO2 reduction, are discussed. Additionally, strategies for enriching the efficacy and stability of LDH-based photocatalysts are explored. This review underscores the significant potential of LDHs as versatile and efficient photocatalysts for addressing current environmental and energy challenges.
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