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Cited by 916

The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.

Semiconductor−Metal Composite Nanostructures. To What Extent Do Metal Nanoparticles Improve the Photocatalytic Activity of TiO2 Films?

Subramanian, Vaidyanathan, Wolf, Eduardo, Kamat, Prashant V.·2001·The Journal of Physical Chemistry B
DOI 10.1021/jp011118k
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Abstract

Noble metal particles of Au, Pt, and Ir were deposited on nanostructured TiO 2 film using an electrophoretic approach. The nanocomposite films were characterized by UV-absorption and atomic force microscopy (AFM). The deposition of tetraoctylammonium bromide (TOAB)-capped metal nanoparticles on TiO 2 films improved the photocurrent generation and induced a shift in the apparent flat band potential. The TiO 2 films modified with TOAB-capped metal nanoparticles were less prone to the electron scavenging by the oxygen in solution. Improved photoelectrochemical performance of semiconductor−metal composite film is attributed to the shift in quasi-Fermi level of the composite to more negative potentials. Continuous irradiation of the composite films over a long period causes photocurrent to decrease as the semiconductor−metal interface undergoes chemical changes. The role of semiconductor−metal composite films in improving the rate of photocatalytic degradation of an azo dye is also discussed.

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Metadata

Authors
Subramanian, V., Wolf, E., & Kamat, P. V.
Venue
The Journal of Physical Chemistry B
Publisher
American Chemical Society (ACS)
Published
2001-10-23
Volume
105
Issue
46
Pages
11439-11446
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
DOI
10.1021/jp011118k
OpenAlex
W2030911848
Cited by
916
References
43
FWCI
18.02
Type
journal article
Language
en
Open access
closed

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