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Tunable Photocatalytic Selectivity of Hollow TiO2 Microspheres Composed of Anatase Polyhedra with Exposed {001} Facets

Liu, Shengwei, Yu, Jiaguo, Jaroniec, Mietek·2010·Journal of the American Chemical Society

Abstract

A fluoride mediated self-transformation method is proposed for the synthesis of hollow TiO(2) microspheres (HTS) composed of anatase polyhedra with exposed ca. 20% {001} facets. Importantly, HTS exhibit tunable photocatalytic selectivity in decomposing azo dyes in water. The fluorinated HTS show preferential decomposition of methyl orange (MO) in comparison to methylene blue (MB). In contrast, the surface-modified HTS by either NaOH washing or calcinations at 600 degrees C favor decomposition of MB over MO. The surface chemistry and the surface structure at the atomic level are key factors in tuning the adsorption selectivity and, consequently, photocatalytic selectivity of HTS toward azo dyes.

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Metadata

Authors
Liu, S., Yu, J., & Jaroniec, M.
Venue
Journal of the American Chemical Society
Published
2010-08-05
Volume
132
Issue
34
Pages
11914-11916
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W1972186003
Cited by
1,011
References
2
FWCI
51.15
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Tunable Photocatalytic Selectivity of Hollow TiO2 Microspheres Composed of Anatase Polyhedra with Exposed {001} Facets. https://app.cochat.ai/papers/10.1021/ja105283s
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Liu, S., Yu, J., & Jaroniec, M. (2010). Tunable Photocatalytic Selectivity of Hollow TiO2 Microspheres Composed of Anatase Polyhedra with Exposed {001} Facets. Journal of the American Chemical Society. https://doi.org/10.1021/ja105283s

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