Front side illuminated dye-sensitized solar cells using anodic TiO 2 mesoporous layers grown on FTO-glass

Kiyoung Lee; Doohun Kim; Steffen Berger; Robin Kirchgeorg; Patrik Schmuki

doi:10.1016/j.elecom.2012.06.005

Front side illuminated dye-sensitized solar cells using anodic TiO ₂ mesoporous layers grown on FTO-glass

Kiyoung Lee, Doohun Kim, Steffen Berger, Robin Kirchgeorg, Patrik Schmuki

Friedrich-Alexander University Erlangen-Nürnberg

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

In the present work, we investigate the performance of anodic, self-organized TiO ₂ mesoporous structures (TMSs) in dye-sensitized solar cells (DSSCs) under front-side illumination conditions. In order to fabricate structures usable in a front-side (FS) configuration, TMSs were formed on FTO glass by a full anodic conversion of evaporated Ti films on the glass substrate in a glycerol/K ₂HPO ₄ electrolyte at 180 °C. The resulting mesoporous layers can be assembled to FS dye sensitized solar cells which show a thickness of only 3 μm and a remarkable efficiency of 4.34%. This is significantly higher than, for example, anodic TiO ₂ nanotubes of the same length even after efficiency enhancing TiCl ₄ treatments (3.01%). The best efficiency value for TMS-based DSSCs that we currently reached is for a 7 μm thick TMS layer, this is ≈ 6.82% which is highly promising for further improvements.

Original language	English
Pages (from-to)	157-161
Number of pages	5
Journal	Electrochemistry Communications
Volume	22
Issue number	1
DOIs	https://doi.org/10.1016/j.elecom.2012.06.005
State	Published - Aug 2012
Externally published	Yes

Bibliographical note

Funding Information:
The authors would like to acknowledge DFG and the Erlangen DFG Cluster of Excellence (EAM) for financial support.

Keywords

Anodic oxidation
Dye-sensitized solar cells
Mesoporous
TiO nanotube

Access to Document

10.1016/j.elecom.2012.06.005

Cite this

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title = "Front side illuminated dye-sensitized solar cells using anodic TiO 2 mesoporous layers grown on FTO-glass",

abstract = "In the present work, we investigate the performance of anodic, self-organized TiO 2 mesoporous structures (TMSs) in dye-sensitized solar cells (DSSCs) under front-side illumination conditions. In order to fabricate structures usable in a front-side (FS) configuration, TMSs were formed on FTO glass by a full anodic conversion of evaporated Ti films on the glass substrate in a glycerol/K 2HPO 4 electrolyte at 180 °C. The resulting mesoporous layers can be assembled to FS dye sensitized solar cells which show a thickness of only 3 μm and a remarkable efficiency of 4.34%. This is significantly higher than, for example, anodic TiO 2 nanotubes of the same length even after efficiency enhancing TiCl 4 treatments (3.01%). The best efficiency value for TMS-based DSSCs that we currently reached is for a 7 μm thick TMS layer, this is ≈ 6.82% which is highly promising for further improvements.",

keywords = "Anodic oxidation, Dye-sensitized solar cells, Mesoporous, TiO nanotube",

author = "Kiyoung Lee and Doohun Kim and Steffen Berger and Robin Kirchgeorg and Patrik Schmuki",

note = "Funding Information: The authors would like to acknowledge DFG and the Erlangen DFG Cluster of Excellence (EAM) for financial support.",

year = "2012",

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AU - Lee, Kiyoung

AU - Kim, Doohun

AU - Berger, Steffen

AU - Kirchgeorg, Robin

AU - Schmuki, Patrik

N1 - Funding Information: The authors would like to acknowledge DFG and the Erlangen DFG Cluster of Excellence (EAM) for financial support.

PY - 2012/8

Y1 - 2012/8

N2 - In the present work, we investigate the performance of anodic, self-organized TiO 2 mesoporous structures (TMSs) in dye-sensitized solar cells (DSSCs) under front-side illumination conditions. In order to fabricate structures usable in a front-side (FS) configuration, TMSs were formed on FTO glass by a full anodic conversion of evaporated Ti films on the glass substrate in a glycerol/K 2HPO 4 electrolyte at 180 °C. The resulting mesoporous layers can be assembled to FS dye sensitized solar cells which show a thickness of only 3 μm and a remarkable efficiency of 4.34%. This is significantly higher than, for example, anodic TiO 2 nanotubes of the same length even after efficiency enhancing TiCl 4 treatments (3.01%). The best efficiency value for TMS-based DSSCs that we currently reached is for a 7 μm thick TMS layer, this is ≈ 6.82% which is highly promising for further improvements.

AB - In the present work, we investigate the performance of anodic, self-organized TiO 2 mesoporous structures (TMSs) in dye-sensitized solar cells (DSSCs) under front-side illumination conditions. In order to fabricate structures usable in a front-side (FS) configuration, TMSs were formed on FTO glass by a full anodic conversion of evaporated Ti films on the glass substrate in a glycerol/K 2HPO 4 electrolyte at 180 °C. The resulting mesoporous layers can be assembled to FS dye sensitized solar cells which show a thickness of only 3 μm and a remarkable efficiency of 4.34%. This is significantly higher than, for example, anodic TiO 2 nanotubes of the same length even after efficiency enhancing TiCl 4 treatments (3.01%). The best efficiency value for TMS-based DSSCs that we currently reached is for a 7 μm thick TMS layer, this is ≈ 6.82% which is highly promising for further improvements.

KW - Anodic oxidation

KW - Dye-sensitized solar cells

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