Deposition of porous titanium oxide thin films as anode material for dye sensitized solar cells

Jonathan Dervaux, Pierre-Antoine Cormier, Stephanos Konstantinidis, Riccardo Di Ciuccio, Olivier Coulembier, Philippe Dubois, Rony Snyders

Research output: Contribution to journalArticle

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Abstract

Crystallized nanoporous TiO2 thin films were synthesized by combining reactive magnetron sputtering
and Glancing Angle Deposition (GLAD). The growth temperature, the bias voltage and the rotation speed
of the substrate were studied with the aim to grow nanoporous films presenting anatase constitution
which are suitable for Dye Sensitive Solar Cells (DSSC) applications.
By fixing the tilt angle at 85, we have shown that an increase of the growth temperature up to 450 C
leads to the formation of nanoporous anatase film with a grain size up to 24 nm while by applying a bias
voltage leads to a densification of the films as evidenced by scanning electron microscopy and by X-ray
diffraction. On the other hand, by rotating the substrate (from 0.1 to 10/s) during the deposition process,
films with larger columns and higher surface roughness (from 45 to 60 nm) were obtained due to an
enhanced shadowing effect.
Preliminary dye impregnation experiments have shown that the highest light absorption values are
obtained for the films prepared without bias and with no rotation, which is supported by the microstructure
of these films presenting the highest porosity. These films, presenting an anatase constitution,
are potentially good candidates as an anode in DSSC applications
Original languageEnglish
Pages (from-to)213-220
Number of pages8
JournalVacuum
Volume114
Publication statusPublished - 2015

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Titanium oxides
titanium oxides
Oxide films
Anodes
anodes
solar cells
dyes
Thin films
thin films
anatase
Titanium dioxide
Coloring Agents
Dyes
Growth temperature
Solar cells
constitution
Substrates
densification
electromagnetic absorption
Bias voltage

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Dervaux, J., Cormier, P-A., Konstantinidis, S., Di Ciuccio, R., Coulembier, O., Dubois, P., & Snyders, R. (2015). Deposition of porous titanium oxide thin films as anode material for dye sensitized solar cells. Vacuum, 114, 213-220.
Dervaux, Jonathan ; Cormier, Pierre-Antoine ; Konstantinidis, Stephanos ; Di Ciuccio, Riccardo ; Coulembier, Olivier ; Dubois, Philippe ; Snyders, Rony. / Deposition of porous titanium oxide thin films as anode material for dye sensitized solar cells. In: Vacuum. 2015 ; Vol. 114. pp. 213-220.
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Dervaux, J, Cormier, P-A, Konstantinidis, S, Di Ciuccio, R, Coulembier, O, Dubois, P & Snyders, R 2015, 'Deposition of porous titanium oxide thin films as anode material for dye sensitized solar cells', Vacuum, vol. 114, pp. 213-220.

Deposition of porous titanium oxide thin films as anode material for dye sensitized solar cells. / Dervaux, Jonathan; Cormier, Pierre-Antoine; Konstantinidis, Stephanos; Di Ciuccio, Riccardo; Coulembier, Olivier; Dubois, Philippe; Snyders, Rony.

In: Vacuum, Vol. 114, 2015, p. 213-220.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Deposition of porous titanium oxide thin films as anode material for dye sensitized solar cells

AU - Dervaux, Jonathan

AU - Cormier, Pierre-Antoine

AU - Konstantinidis, Stephanos

AU - Di Ciuccio, Riccardo

AU - Coulembier, Olivier

AU - Dubois, Philippe

AU - Snyders, Rony

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N2 - Crystallized nanoporous TiO2 thin films were synthesized by combining reactive magnetron sputteringand Glancing Angle Deposition (GLAD). The growth temperature, the bias voltage and the rotation speedof the substrate were studied with the aim to grow nanoporous films presenting anatase constitutionwhich are suitable for Dye Sensitive Solar Cells (DSSC) applications.By fixing the tilt angle at 85, we have shown that an increase of the growth temperature up to 450 Cleads to the formation of nanoporous anatase film with a grain size up to 24 nm while by applying a biasvoltage leads to a densification of the films as evidenced by scanning electron microscopy and by X-raydiffraction. On the other hand, by rotating the substrate (from 0.1 to 10/s) during the deposition process,films with larger columns and higher surface roughness (from 45 to 60 nm) were obtained due to anenhanced shadowing effect.Preliminary dye impregnation experiments have shown that the highest light absorption values areobtained for the films prepared without bias and with no rotation, which is supported by the microstructureof these films presenting the highest porosity. These films, presenting an anatase constitution,are potentially good candidates as an anode in DSSC applications

AB - Crystallized nanoporous TiO2 thin films were synthesized by combining reactive magnetron sputteringand Glancing Angle Deposition (GLAD). The growth temperature, the bias voltage and the rotation speedof the substrate were studied with the aim to grow nanoporous films presenting anatase constitutionwhich are suitable for Dye Sensitive Solar Cells (DSSC) applications.By fixing the tilt angle at 85, we have shown that an increase of the growth temperature up to 450 Cleads to the formation of nanoporous anatase film with a grain size up to 24 nm while by applying a biasvoltage leads to a densification of the films as evidenced by scanning electron microscopy and by X-raydiffraction. On the other hand, by rotating the substrate (from 0.1 to 10/s) during the deposition process,films with larger columns and higher surface roughness (from 45 to 60 nm) were obtained due to anenhanced shadowing effect.Preliminary dye impregnation experiments have shown that the highest light absorption values areobtained for the films prepared without bias and with no rotation, which is supported by the microstructureof these films presenting the highest porosity. These films, presenting an anatase constitution,are potentially good candidates as an anode in DSSC applications

KW - Magnetron sputtering

KW - GLAD

KW - TiO2

KW - Porous coatings

KW - Photoanodes

M3 - Article

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SP - 213

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JO - Vacuum

JF - Vacuum

SN - 0042-207X

ER -