Title: Thermal stability of dye-sensitised solar cell at 80 degree centigrade under light soaking

Authors: Zhe Sun; Shuzhen Yang; Wei Hu; Anlian Pan

Addresses: School of Physics and Electronics, Key Laboratory for Micro-Nano Physics and Technology of Hunan Province, Hunan University, Changsha, 410082, China ' School of Physics and Electronics, Key Laboratory for Micro-Nano Physics and Technology of Hunan Province, Hunan University, Changsha, 410082, China ' School of Physics and Electronics, Key Laboratory for Micro-Nano Physics and Technology of Hunan Province, Hunan University, Changsha, 410082, China ' School of Physics and Electronics, Key Laboratory for Micro-Nano Physics and Technology of Hunan Province, Hunan University, Changsha, 410082, China

Abstract: Long-term stability experiments of dye-sensitised solar cells under thermal and light soaking have been performed. The stress of both 80 degree centigrade temperature and light soaking were applied into the cell simultaneously. The aging results, which is longer than 1,000 hours showed there are two key issues in determining the device's long-term performance and stability. One is the open circuit voltage which is affected by the stability of liquid electrolyte. The nother one is the short-circuit current which is influenced by the desorption process of the dye moleculars.

Keywords: dye-sensitised solar cells; DSSCs; long-term stability; thermal stability; light soaking; open circuit voltage; liquid electrolyte; short-circuit current; desorption.

DOI: 10.1504/IJNM.2016.079224

International Journal of Nanomanufacturing, 2016 Vol.12 No.3/4, pp.372 - 379

Received: 01 Jul 2015
Accepted: 04 Jan 2016
Published online: 23 Sep 2016 *

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