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Dr. Cheng Chen, Prof. Xichuan Yang, Dr. Ming Cheng, Dr. Fuguo Zhang and Prof. Licheng Sun Degradation of Cyanoacrylic Acid-Based Organic Sensitizers in Dye-Sensitized Solar Cells ChemSusChem 6

Article first published online: 14 JUN 2013 | DOI: 10.1002/cssc.201200949

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Dye-ing to degrade: The degradation mechanism of cyanoacrylic acid-based organic sensitizers in dye-sensitized solar cells (DSSCs) has been studied. With the synergy of water and UV light, the sensitizer desorbs from the TiO2 surface and the cyanoacrylic acid unit of sensitizer is converted into an aldehyde group. It is also observed that the oxygen atom of the aldehyde comes from the solvent water in DSSCs.

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