Voltage enhancement in dye-sensitized solar cell using (001)-oriented anatase TiO2 nanosheets

Laskova, Barbora, Zukalova, Marketa, Kavan, Ladislav, Chou, Alison, Liska, Paul, Wei, Zhang, Bin, Liu, Kubat, Pavel, Ghadiri, Elham, Moser, Jacques E. and Graetzel, Michael (2012) Voltage enhancement in dye-sensitized solar cell using (001)-oriented anatase TiO2 nanosheets. Journal of Solid State Electrochemistry, 16 9: 2993-3001.


Author Laskova, Barbora
Zukalova, Marketa
Kavan, Ladislav
Chou, Alison
Liska, Paul
Wei, Zhang
Bin, Liu
Kubat, Pavel
Ghadiri, Elham
Moser, Jacques E.
Graetzel, Michael
Total Author Count Override 11
Title Voltage enhancement in dye-sensitized solar cell using (001)-oriented anatase TiO2 nanosheets
Formatted title Voltage enhancement in dye-sensitized solar cell using (001)-oriented anatase TiO2 nanosheets
Journal name Journal of Solid State Electrochemistry  (ERA 2012 Listed)    (ERA 2010 Rank C)   Check publisher's open access policy
Publication date 2012-09
Sub-type Article
DOI 10.1007/s10008-012-1729-0
Volume number 16
Issue number 9
ISSN 1432-8488
1433-0768
Start page 2993
End page 3001
Total pages 9
Place of publication Heidelberg, Germany
Publisher Springer
Collection year 2013
Language eng
Formatted abstract A nanocrystalline TiO2 (anatase) nanosheet exposing mainly the (001) crystal faces was tested as photoanode material in dye-sensitized solar cells. The nanosheets were prepared by hydrothermal growth in HF medium. Good-quality thin films were deposited on F-doped SnO2 support from the TiO2 suspension in ethanolic or aqueous media. The anatase (001) face adsorbs a smaller amount of the used dye sensitizer (C101) per unit area than the (101) face which was tested as a reference. The corresponding solar cell with sensitized (001)-nanosheet photoanode exhibits a larger open-circuit voltage than the reference cell with (101)-terminated anatase nanocrystals. The voltage enhancement is attributed to the negative shift of flatband potential for the (001) face. This conclusion rationalizes earlier works on similar systems, and it indicates that careful control of experimental conditions is needed to extract the effect of band energetic on the current/voltage characteristics of dye-sensitized solar cell.
Keyword Titanium dioxide
Anatase
Dye-sensitized solar cell
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article
Collections: Official 2013 Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
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