A new ionic liquid organic redox electrolyte for high-efficiency iodine-free dye-sensitized solar cells
作者： Hongwei Wu , Zhibin Lv , Shaocong Hou , Xin Cai , Dan Wang
DOI: 10.1016/J.JPOWSOUR.2012.07.067
关键词: Carbon 、 Auxiliary electrode 、 Electrolyte 、 Redox 、 Electrochemistry 、 Inorganic chemistry 、 Catalysis 、 Ionic liquid 、 Chemistry 、 Dye-sensitized solar cell
摘要: Abstract A new ionic liquid (IL) 5-mercapto-1-methyltetrazole 1-methyl-3-propylimidazolium salt PMIT with di-5-(1-methyltetrazole) disulfide (T 2 ) as the organic redox couple is adopted for application in IL dye-sensitized solar cells (DSSCs). Adopting ultralow-cost and superior catalytic ink carbon counter electrode (CE), N719- D102-sensitized devices show high efficiencies of 4.30% 3.83% under 100 mW cm −2 light illumination, respectively. Electrochemical studies provide insights on mass-transfer recombination kinetics electrolyte electrochemical catalysis CE. The CE exhibits more excellent activity than Pt couple. These an attractive prospect materials DSSCs based iodine-free electrolyte.
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