Abstract
We investigate the long-term stability of performance for plastic dye-sensitized solar cells (DSSCs) based on organic iodides (TBAI or PMII) in methoxypropionitrile-based electrolytes. Plastic DSSCs containing TBAI maintain 96.9% of baseline efficiency under more than 1000 h prolonged one sun light irradiation and thermal stress (60 °C) aging. The factors of device long-term stability, such as the effects of organic iodides, cell-sealing conditions, and the sheet resistance of indium tin oxide coated polyethylene naphthalate substrate (ITO/PEN) are discussed via using electrochemical impedance spectroscopy and electrical resistance measurement.
| Original language | English |
|---|---|
| Pages (from-to) | 8897-8903 |
| Number of pages | 7 |
| Journal | Journal of Power Sources |
| Volume | 196 |
| Issue number | 20 |
| DOIs | |
| State | Published - 15 10 2011 |
| Externally published | Yes |
Keywords
- Flexible
- Long-term stability
- Organic iodide
- Plastic dye-sensitized solar cell