Title: Improvement on the long-term stability of flexible plastic dye-sensitized solar cells
Authors: Lee, Kun-Mu
Chiu, Wei-Hao
Lu, Ming-De
Hsieh, Wen-Feng
Department of Photonics
Keywords: Plastic dye-sensitized solar cell;Long-term stability;Organic iodide;Flexible
Issue Date: 15-Oct-2011
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 degrees 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. (C) 2011 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.jpowsour.2011.06.049
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2011.06.049
Volume: 196
Issue: 20
Begin Page: 8897
End Page: 8903
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