2020
DOI: 10.1002/adsu.202000197
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Enhancing the Photocatalytic Activity of TiO2 Catalysts

Abstract: charge separation and intrinsic efficiency, which are limited by the material's wide bandgap (≈3 eV). To overcome these issues, countless studies have focused on modifying the properties of TiO 2 , such as controlling its crystal structures, morphologies, vacancies, and doping. Existing natural TiO 2 polymorphs, the anatase and rutile phases, are generally considered representative photocatalytic materials. However, brookite has not been actively studied because in the past it has been difficult to synthesize.… Show more

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Cited by 103 publications
(48 citation statements)
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“…Semiconductor-based photocatalysis is regarded as a promising and cost-effective approach to realize environmental decontamination [1][2][3][4][5]. Traditional semiconductor materials with a wide bandgap (e.g., TiO 2 , ZnO, and BiOCl) are widely utilized in practical application due to their commendable chemical stability, biosafety, photostability, and low cost [6][7][8][9]. BiOCl with a layered structure is a potential candidate for semiconductor photocatalysis owing to its superior photocatalytic activity.…”
Section: Introductionmentioning
confidence: 99%
“…Semiconductor-based photocatalysis is regarded as a promising and cost-effective approach to realize environmental decontamination [1][2][3][4][5]. Traditional semiconductor materials with a wide bandgap (e.g., TiO 2 , ZnO, and BiOCl) are widely utilized in practical application due to their commendable chemical stability, biosafety, photostability, and low cost [6][7][8][9]. BiOCl with a layered structure is a potential candidate for semiconductor photocatalysis owing to its superior photocatalytic activity.…”
Section: Introductionmentioning
confidence: 99%
“…To overcome the drawbacks arising from intrinsic flaws of TiO 2 photocatalysts, various modification strategies have been attempted and managed to improve the photocatalytic activity. [51,52] These modification strategies include, but are not confined to, optimizing reaction conditions, doping, deposition of metal nanoparticles, surface complexation, construction of heterojunction, [53][54][55] and modification with graphene, anion clusters, or quantum dots. It should be noted that these modification methods can collaborate synergistically to reach a more ameliorative performance.…”
Section: Titanium Oxide (Tio 2 )mentioning
confidence: 99%
“…TiO 2 is the most studied photocatalyst for water splitting due to its superior photoefficiency, high mechanical stability, low cost, and less toxicity for the humans and environment . However, it is photoactive only under UV irradiation, which is about 4% of solar radiation.…”
Section: Introductionmentioning
confidence: 99%