Design and application of various visible light responsive metal oxide photocatalysts

The chapter aims to provide a general overview of current thinking and research results regarding the development of visible light responsive metal oxide–based catalysts with enhanced photocatalytic activities, especially outlining their chemical and physical properties, as well as the critical importance of photocatalyst preparation procedure. This chapter will summarize published research literature and their key interpretations, concerning complex interactions that occur during the photocatalyst preparation taking into consideration synthesis methodology, composition, as well as functional properties. Additionally, numerous applications of metal oxide photocatalysts are discussed, especially emphasizing wastewater treatment and clean energy production, highlighting the correlation between their efficiency and recent modifications applied to metal oxides