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Cited by 350

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Structure−Activity Relationship of Iron Titanate Catalysts in the Selective Catalytic Reduction of NOx with NH3

Open access
Liu, Fudong, He, Hong·2010·The Journal of Physical Chemistry C

Abstract

A series of iron titanate catalysts, Fe a Ti b O x, with different Fe−Ti molar ratios are synthesized via a facile coprecipitation method and tested for the selective catalytic reduction (SCR) of NO x with NH 3 . The structural properties and redox behavior of the serial catalysts are comprehensively characterized. Comparing with pristine TiO 2 and Fe 2 O 3, the coexistence of iron and titanium species is favorable to form crystallites with specific Fe−O−Ti structure, which is highly active for the NH 3 -SCR reaction. Fe 4 Ti 4 O x catalyst with a Fe−Ti molar ratio of 1:1 shows the highest intrinsic activity, due to its smallest particle size, enhanced oxidative ability of Fe 3+, highest mobility of lattice oxygen, and abundant acid sites. The correlation between catalytic performance and reactant adsorption capability/conformation is also studied, indicating that an appropriate method to improve the low temperature SCR activity of iron titanate catalyst is to enhance the adsorption ability of NO x as monodentate nitrate on catalyst surface.

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Metadata

Authors
Liu, F., & He, H.
Venue
The Journal of Physical Chemistry C
Published
2010-03-16
Volume
114
Issue
40
Pages
16929-16936
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2168893264
Cited by
350
References
1
FWCI
5.41
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Structure−Activity Relationship of Iron Titanate Catalysts in the Selective Catalytic Reduction of NOx with NH3. https://app.cochat.ai/papers/10.1021/jp912163k
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Liu, F., & He, H. (2010). Structure−Activity Relationship of Iron Titanate Catalysts in the Selective Catalytic Reduction of NOx with NH3. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp912163k

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