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research article
Redox properties of nanoporous TiO2 (anatase) surface modified with phosphotungstic acid
1998
Nanostructured anatase TiO2 electrodes surface modified with inorg. metal oxide clusters, i.e., phosphotungstic acid (PWA), was studied by XPS and spectroelectrochem. The surface modifiers were electroactive and could be addressed reversibly by changing the applied bias. The formation of new states in the electronic structure of TiO2 and the PWA was monitored by XPS using a novel prepn. technique. The coloration efficiency of the deposit was about 20 cm2/C. Prolonged electrochem. cycling degraded the elec. contact between the PWA and the TiO2 surface.
Type
research article
Authors
Lindstrom, Henrik
•
Rensmo, Hakan
•
Lindquist, Sten-Eric
•
•
Henningsson, Anders
•
Sodergren, Sven
•
Siegbahn, Hans
Publication date
1998
Published in
Volume
323
Start page
141
End page
145
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
July 6, 2015
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