9Photocatalyst Perovskite Ferroelectric Nanostructures
Debashish Pal1, Dipanjan Maity2, Ayan Sarkar3 and Gobinda Gopal Khan1*
1Department of Material Science and Engineering, Tripura University (A Central University), Suryamaninagar, Agartala, Tripura, India
2Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Salt Lake, Kolkata, India
3Department of Chemistry, National Taiwan University, Taipei, Taiwan
Abstract
Photocatalysis and photoelectrocatalysis have attracted intense research attention considering the direct conversion of renewable solar energy into chemical energy through sustainable and pollution-free routes. Recently, perovskite-type ferro/piezo-electric oxide semiconductor nanostructures have revealed significant potential as photocatalysts and photoelectrocatalysts, considering their attractive semiconducting property coupled with ferro/piezo-electric and optoelectronic properties. The integration of nanoscale dimension-related properties like shape, size effect, surface area enlargement, and quantum confinement effects with the tuneable ferro/peizo-electric properties of ferroelectric semiconductors provide ample opportunity to design novel photo(electro)catalysts. This chapter summarizes the current state of perovskite nanostructured ferroelectric photo(electro) catalysts for solar fuel production and pollutant degradation. The fundamental art of piezo/ferroelectric photo(electro)catalysis is explained with ...
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