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Efficient Method for Adsorbing Dye on TiO 2 Electrodes in DSC Production
Author(s) -
Katsumata Kenji,
Okada Kenichi
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201700123
Subject(s) - dye sensitized solar cell , adsorption , nanoporous , materials science , volumetric flow rate , titanium dioxide , chemical engineering , electrode , titanium , analytical chemistry (journal) , chemistry , nanotechnology , chromatography , composite material , thermodynamics , organic chemistry , metallurgy , physics , engineering , electrolyte
For accelerating and controlling dye adsorption in a fabricating process of dye‐sensitized solar cells (DSCs), a simple adsorption method was developed. The key feature of this method is circulating a dye solution, where a nanoporous titanium dioxide (TiO 2 ) electrode is immersed, at a constant rate. As the result of using this method, the dye adsorption rate increased logarithmically with increasing the dye‐solution flow rate. The effect of a dye‐solution flow rate on a dye adsorption rate was described by a correlation function. Using the correlation function, the dye adsorption rate can be controlled by just setting the dye concentration and the dye‐solution flow rate independently. In addition, the performance of the DSCs can be controlled by keeping the parameter about the immersion conditions at the optimum value. This new method enables fabricating high‐performance DSCs more efficiently in a shorter time than before and contributes to the stable mass production.