Journal
ELECTROCHIMICA ACTA
Volume 55, Issue 22, Pages 6517-6522Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.06.028
Keywords
Screen printing; Counter electrode; Co(II)/(III); Photoelectrochemical cell
Categories
Funding
- EU [COOP-CT-2004-512510]
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A screen printed carbon electrode associated with Tris(4.4'-di-tert-butyl-2.2'-bipyridine)Cobalt(II) as redox mediator was investigated as possible alternative to the volatile and corrosive iodide/triodide system in dye sensitized solar cells (DSSCs). We report here a first study on the screen printing technology for the manufacturing of an advanced and stable carbon cathode for dye sensitized solar cell. The electrode surface was characterized by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS) while the electrochemical response towards the cobalt complex was evaluated by using cyclic voltammetry. Photocurrent-voltage characteristics of DSSCs based on the new cathode/Cobalt complex system were 30% lower than those recorded with Pt/iodide. (C) 2010 Elsevier Ltd. All rights reserved.
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