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- Ionic Liquids For Dye-sensitized Solar Cell
The anions and cations composed of ionic liquid is asymmetry, allowing the ions to rotate freely. The unique structure of ionic liquid makes it have many excellent properties. For example, ionic liquids can change their physical, chemical and biological properties by exchanging coordinated anions or cations. The acidity of ionic liquid can be adjusted, showing the acidity of Lewis and Franklin acid. The ionic liquid can be stable in the temperature range of -40 ~ 300℃, and has the characteristics of high thermal stability and chemical stability. Furthermore, ionic liquid has a high conductivity and a chemical window greater than 3V, which can be used in the field of dye-sensitized solar cell. The dye-sensitized solar cells developed in recent years have the advantages of high conversion efficiency, low cost and low production process requirements, which have become a hot research field in recent years. Introducing ionic liquid into dye-sensitized solar cell can solve the above problems and improve the safety and electrical properties of dye-sensitized cells.
Figure 1. IL-Al2O3 nanoparticles used as quasi-solid electrolyte for dye-sensitized solar cell.
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