Improving Pore Filling of Gel Electrolyte and Charge Transport in Photoanode for High-Efficiency Quasi-Solid-State Dye-Sensitized Solar Cells
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AbstractWe demonstrate the enhancement of pore-filling and wettability of gel electrolyte in quasi-solid-state dye-sensitized solar cells (DSSCs) by developing a kinetically driven electrolyte infiltration approach, in which the air purging provides the driving force. This method renders fast electrolyte diffusion throughout the three-dimensional TiO2 nanoparticle network, promising for large-area device fabrication. In addition, for the first time we incorporate multiwalled carbon nanotubes into the anode of quasi-solid-state DSSCs to improve the charge transfer efficiency and fill factor. These advancements finally generate an efficiency exceeding 7.0%, much higher than the device efficiency of 5.5% fabricated by the conventional method.
All Author(s) ListWang BH, Chang S, Lee LTL, Zheng SZ, Wong KY, Li Q, Xiao XD, Chen T
Journal nameACS Applied Materials and Interfaces
Volume Number5
Issue Number17
PublisherAmerican Chemical Society
Pages8289 - 8293
LanguagesEnglish-United Kingdom
Keywordscarbon nanotube; dye-sensitized solar cell; electrode; gel electrolyte; ion transport; pore filling
Web of Science Subject CategoriesMaterials Science; Materials Science, Multidisciplinary; MATERIALS SCIENCE, MULTIDISCIPLINARY; Nanoscience & Nanotechnology; NANOSCIENCE & NANOTECHNOLOGY; Science & Technology - Other Topics

Last updated on 2021-19-02 at 23:52