Photocatalysis and Li-Ion Battery Applications of {001} Faceted Anatase TiO 2 -Based Composites

Anuja Bokare and Folarin Erogbogbo
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Anuja Bokare: Department of Biomedical Engineering, San José State University, 1 Washington Square, San José, CA 95112, USA
Folarin Erogbogbo: Department of Biomedical Engineering, San José State University, 1 Washington Square, San José, CA 95112, USA

J, 2021, vol. 4, issue 3, 1-31

Abstract: Anatase TiO 2 are the most widely used photocatalysts because of their unique electronic, optical and catalytic properties. Surface chemistry plays a very important role in the various applications of anatase TiO 2 especially in the catalysis, photocatalysis, energy conversion and energy storage. Control of the surface structure by crystal facet engineering has become an important strategy for tuning and optimizing the physicochemical properties of TiO 2 . For anatase TiO 2 , the {001} crystal facets are the most reactive because they exhibit unique surface characteristics such as visible light responsiveness, dissociative adsorption, efficient charge separation capabilities and photocatalytic selectivity. In this review, a concise survey of the literature in the field of {001} dominated anatase TiO 2 crystals and their composites is presented. To begin, the existing strategies for the synthesis of {001} dominated anatase TiO 2 and their composites are discussed. These synthesis strategies include both fluorine-mediated and fluorine-free synthesis routes. Then, a detailed account of the effect of {001} facets on the physicochemical properties of TiO 2 and their composites are reviewed, with a particular focus on photocatalysis and Li-ion batteries applications. Finally, an outlook is given on future strategies discussing the remaining challenges for the development of {001} dominated TiO 2 nanomaterials and their potential applications.

Keywords: high energy TiO 2 facet; {001} TiO 2 facet; TiO 2 -graphene composite; doping; photocatalysis; Li-ion battery anode (search for similar items in EconPapers)
JEL-codes: I1 I10 I12 I13 I14 I18 I19 (search for similar items in EconPapers)
Date: 2021
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