NDLI: Development of dye-sensitized solar cells based on visible-light-responsive TiO$_{2}$ thin films with a unique columnar structure

Content Provider	Springer Nature Link
Author	Toyao, Takashi Minakata, Masayuki Iyatani, Kazushi Ebrahimi, Afshin Chen, Po Chou Tsai, Chung Bo Horiuchi, Yu Matsuoka, Masaya Anpo, Masakazu
Copyright Year	2012
Abstract	A visible-light-responsive TiO$_{2}$ thin film (Vis-TiO$_{2}$), possessing a unique columnar structure oriented perpendicular to the substrate, has been prepared by using a radio-frequency magnetron sputtering deposition method. The unique TiO$_{2}$ thin film was used as a key component of N719 dye-sensitized solar cells (DSSCs). The rough morphology caused by the columnar structure leads to enhanced photovoltaic performances of these DSSCs as a consequence of increased amounts of adsorbed dyes and facilitated diffusion of the electrolyte into Vis-TiO$_{2}$ film. Additionally, photovoltaic performances of the DSSCs were found to depend strongly on the thickness of the Vis-TiO$_{2}$ film, which can be readily controlled by adjusting the sputtering time conducted for deposition. Consequently, a solar-to-electric energy conversion efficiency of 2.6 % under AM 1.5 illumination was observed for an optimally performing DSSC that has a Vis-TiO$_{2}$ film thickness of 6.9 μm, prepared by employing a sputtering time of 700 min.
Starting Page	415
Ending Page	424
Page Count	10
File Format	PDF
ISSN	09226168
Journal	Research on Chemical Intermediates
Volume Number	39
Issue Number	1
e-ISSN	15685675
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-06-20
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dye-sensitized solar cell (DSSC) Visible-light-responsive TiO$_{2}$ Columnar structure Radio-frequency magnetron sputtering (RF-MS) N719 dye Catalysis Physical Chemistry Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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