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Cited by 178

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

A Low-Band Gap, Nitrogen-Modified Titania Visible-Light Photocatalyst

Kisch, Horst, Sakthivel, Shanmugasundaram, Janczarek, Marcin, Mitoraj, Dariusz·2007·The Journal of Physical Chemistry C

Abstract

Low-Band gap nitrogen-modified titania photocatalysts were prepared by calcining titanium hydroxide and urea at 400 °C. Different from previously known nitrogen-doped titania (TiO 2 −N), which exhibits a strong band-to-band absorption in the ultraviolet and only a weak shoulder in the visible, the new materials (TiO 2 −N1 and TiO 2 −N2) have an intense band-to-band absorption in the range of 400−500 nm, resulting in corresponding band gaps of 2.46 and 2.20 eV. As compared to unmodified titania, the quasi-Fermi level of electrons is anodically shifted by 0.07−0.16 eV. Whereas TiO 2 −N is inactive in visible-light mineralization (λ ≥ 420 nm) of formic acid, TiO 2 −N1 is highly active.

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Crossref · 10.1021/jp066457y

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Metadata

Authors
Kisch, H., Sakthivel, S., Janczarek, M., & Mitoraj, D.
Venue
The Journal of Physical Chemistry C
Published
2007-07-12
Volume
111
Issue
30
Pages
11445-11449
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2044057637
Cited by
178
References
1
FWCI
9.49
Type
journal article
Language
en
Open access
closed

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