How the Anatase-to-Rutile Ratio Influences the Photoreactivity of TiO2
Ren Su
1
,
Ralf Bechstein
1
,
Lasse Sø
1
,
Ronnie T. Vang
1
,
Michael Sillassen
1
,
Björn Esbjörnsson
2
,
Anders Palmqvist
2
,
F. Besenbacher
1
Publication type: Journal Article
Publication date: 2011-11-17
scimago Q1
wos Q3
SJR: 0.914
CiteScore: 6.2
Impact factor: 3.2
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
In 1991, Bickley et al. proposed a synergetic effect between anatase and rutile in Degussa P25. Since then, there has been an intensive debate about the correctness of this proposal, the origin of the synergism, and the right polymorph composition. However, a comparison of pure titanium dioxide samples with various anatase-to-rutile ratios, but otherwise identical properties, is missing. In this paper, we report about a series of utterly pure, highly porous titanium dioxide films with identical grain sizes, surface areas, and crystallinity, but varying polymorph compositions. Photocatalytic oxidation of methylene blue was utilized to investigate the influence of the anatase-to-rutile ratio on the photoreactivity. We clearly observe the synergetic effect within a well-defined range of anatase-to-rutile ratios. A film with ∼60% anatase and ∼40% rutile exhibits optimal performance at a 50% improved activity compared with pure anatase.
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Total citations:
266
Citations from 2025:
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Su R. et al. How the Anatase-to-Rutile Ratio Influences the Photoreactivity of TiO2 // Journal of Physical Chemistry C. 2011. Vol. 115. No. 49. pp. 24287-24292.
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Su R., Bechstein R., Sø L., Vang R. T., Sillassen M., Esbjörnsson B., Palmqvist A., Besenbacher F. How the Anatase-to-Rutile Ratio Influences the Photoreactivity of TiO2 // Journal of Physical Chemistry C. 2011. Vol. 115. No. 49. pp. 24287-24292.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/jp2086768
UR - https://doi.org/10.1021/jp2086768
TI - How the Anatase-to-Rutile Ratio Influences the Photoreactivity of TiO2
T2 - Journal of Physical Chemistry C
AU - Su, Ren
AU - Bechstein, Ralf
AU - Sø, Lasse
AU - Vang, Ronnie T.
AU - Sillassen, Michael
AU - Esbjörnsson, Björn
AU - Palmqvist, Anders
AU - Besenbacher, F.
PY - 2011
DA - 2011/11/17
PB - American Chemical Society (ACS)
SP - 24287-24292
IS - 49
VL - 115
SN - 1932-7447
SN - 1932-7455
ER -
Cite this
BibTex (up to 50 authors)
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@article{2011_Su,
author = {Ren Su and Ralf Bechstein and Lasse Sø and Ronnie T. Vang and Michael Sillassen and Björn Esbjörnsson and Anders Palmqvist and F. Besenbacher},
title = {How the Anatase-to-Rutile Ratio Influences the Photoreactivity of TiO2},
journal = {Journal of Physical Chemistry C},
year = {2011},
volume = {115},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/jp2086768},
number = {49},
pages = {24287--24292},
doi = {10.1021/jp2086768}
}
Cite this
MLA
Copy
Su, Ren, et al. “How the Anatase-to-Rutile Ratio Influences the Photoreactivity of TiO2.” Journal of Physical Chemistry C, vol. 115, no. 49, Nov. 2011, pp. 24287-24292. https://doi.org/10.1021/jp2086768.