Couverture de Modified Bismuth Layered Perovskite Ferroelectrics for Photocatalysis
Titre du livre:

Modified Bismuth Layered Perovskite Ferroelectrics for Photocatalysis

Synthesis and Characterizations of Dy3+, Y3+, Ce4+ modified SrBi2Ta2O9 layered perovskite ferroelectrics

LAP LAMBERT Academic Publishing (05-08-2019 )

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ISBN-13:

978-620-0-26702-3

ISBN-10:
6200267022
EAN:
9786200267023
Langue du livre:
Anglais
texte du rabat:
Aurivillius compound SrBi2Ta2O9 (SBT) is a futuristic material with applications mainly in ferroelectric memory devices. This is due to their excellent fatigue resistance and other electrical properties. Most importantly, all the constituents of parent material and/or by modifications, as a whole are environmentally safe. Here, we presented the various physical properties such as structural, surface morphology, electrical and photocatalytic analysis of SBT and its substitutions (Ce4+, Dy3+ and Y3+). Substitutions at A-site and Bi-layer effectively modifies the electrical properties as well as photocatalytic analysis. Trivalent elemental substitutions at A-site induce cation vacancies to satisfy the charge neutrality, which significantly improves the ferroelectric property. The various functions are used to analyze the electrical parameters. Finally, the photogenerated electrons and holes are separated spontaneously by ferroelectric domains to enhance the H2/O2 evolution. For a better understanding of ferroelectric as a photocatalyst, the relation between electrical and photocatalytic properties are correlated.
Maison d'édition:
LAP LAMBERT Academic Publishing
Site Web:
https://www.lap-publishing.com/
de (auteur) :
Senthil Venkatesan
Numéro de pages:
128
Publié le:
05-08-2019
Stock:
Disponible
Catégorie:
Physique, Astronomie
Prix:
54.90 €
Mots-clés:
Dielectrics, Ferroelectrics, Photocatalysis

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