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Original article (peer-reviewed)

Journal SEMICONDUCTOR SCIENCE AND TECHNOLOGY
Volume (Issue) 26(4)
Page(s) 7
Title of proceedings SEMICONDUCTOR SCIENCE AND TECHNOLOGY
DOI 10.1088/0268-1242/26/4/045007

Abstract

A new approach for the large-scale production of flexible photoelectrodes for dye-sensitized solar cells (DSSCs) is presented by roll-to-roll coating of a titanium dioxide nanodispersion containing the block copolymer `Pluronic (R)' (PEOx-PPOy-PEOx,PEO: poly(ethylene oxide), PPO: poly(propylene oxide)). Functional DSSCs were assembled and the different coating procedures compared with respect to their solar power conversion efficiency. It is shown that the binder `Pluronic' can be removed at processing temperatures as low as 140 degrees C, thus aiding achievement of sufficient adhesion to the ITO-PET support, higher porosity of the TiO2 layer and decreased crack appearance. Further optimization of this method is particularly promising when combined with other known low-temperature methods.
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