Review on the criteria anticipated for the fabrication of highly efficient ZnO-based visible-light-driven photocatalysts

[Display omitted] Among the popular photocatalysts, ZnO is one of the most potent photocatalysts considering its green properties, cheap price, and durability. However, the practical application of ZnO is limited because of its large band gap energy and rapid recombination of the photoinduced electr...

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Published inJournal of industrial and engineering chemistry (Seoul, Korea) Vol. 62; pp. 1 - 25
Main Authors Pirhashemi, Mahsa, Habibi-Yangjeh, Aziz, Rahim Pouran, Shima
Format Journal Article
LanguageEnglish
Published Elsevier B.V 25.06.2018
한국공업화학회
Subjects
Heterojunction
Nanocomposites
Visible-light-driven photocatalysts
Zinc oxide
화학공학
Zinc oxide
Visible-light-driven photocatalysts
Nanocomposites
Heterojunction
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Summary:[Display omitted] Among the popular photocatalysts, ZnO is one of the most potent photocatalysts considering its green properties, cheap price, and durability. However, the practical application of ZnO is limited because of its large band gap energy and rapid recombination of the photoinduced electron–hole pairs. This paper reviews the main advancements in overcoming the barriers accompanied by pure ZnO and the criteria for fabrication of effective visible-light-responsive ZnO-based photocatalysts. Herein, the binary ZnO-based nanocomposites with p–n heterojunctions, n–n heterojunctions, and ternary ZnO-based nanocomposites based on different heterostructures, and their mechanism for enhanced light harvesting and charge separation/transfer were thoroughly discussed.
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2018.01.012