Rare Earth Based Perovskite Manganites And Heterostructures For Photocatalytic Degradation Of Organic Pollutants

Abstract

Research and development regarding perovskite structures, particularly perovskite rare-earth newlinemanganites, have been extensively pursued due to their promising abilities such as newlinesuperconductivity, magnetoresistance, ferroelectricity etc. Among these, perovskite type newlinerare earth manganites (RMn03, where R represents rare-earth elements and M represents newlinetransition metals) doped with transition/rare-earth metal ions, and their heterostructures newlinehave attracted significant attention due to their exceptional optical, mechanical, electrical, newlinemagnetic, and catalytic properties. In terms of applications, these advanced materials newlineare mostly utilized as efficient photocatalysts for pollutant degradation. Their unique newlineproperties make them suitable for addressing environmental challenges. Particularly the newlinedevelopment of semiconductor-based photocatalysts utilizing solar energy has been proven newlineto be an effective and promising approach in resolving this issue to some extent. newlineThis research work illustrates a comprehensive journey through the novel synthesis newlineapproaches and extensive characterization of a few advanced rare earth-type perovskite newlinemanganite nanomaterials, including YMn03, CeMn03 and Y2CuMn06, Starting from newlinedoped perovskites to heterostructures and double perovskites, each material demonstrated newlineunique properties and applications, linking structural modifications to enhanced performance newlinein energy and environmental technologies. We explored theoretical and experimental facets newlineto reveal the full potential of advanced perovskite materials. This cohesive exploration newlinenot only contributes to the advancement in the field of nanomaterials but also provides a newlinefoundation for future innovations in diverse scientific and technological domains. newlineVarious innovative materials design strategies have been employed to optimize material newlineproperties for real-world applications. Comprehensive characterization techniques such as newlineXRD with Rietveld refinement, FESEM with EDX, EPMA, HRTEM, XPS, UV-vis and PL newlinespectroscopy demonstrated the tailored st