Journal
ELECTROCHIMICA ACTA
Volume 335, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2020.135652
Keywords
Photovoltaics; Dye solar cell; Cobalt-complex; PEDOT; Stability; Degradation
Categories
Funding
- Jane and Aatos Erkko Foundation (ASPIRE-project), Finland
- Academy of Finland [318557]
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Here a 2000-h light-soaking stability test is reported for cobalt complex based dye solar cells using Y123 organic dye with either platinum or poly(3,4-ethylene dioxythiophene) as counter electrode catalyst, and two different Co(III) electrolyte concentrations. Both the Co(III) concentration and the counter electrode catalyst affected the device stability. Higher Co(III) concentrations were found to slow down the degradation process with both catalyst materials. Different degradation behavior was also identified for devices with different catalyst materials. (C) 2020 Elsevier Ltd. All rights reserved.
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