Journal
CURRENT APPLIED PHYSICS
Volume 12, Issue -, Pages E49-E53Publisher
ELSEVIER
DOI: 10.1016/j.cap.2011.04.028
Keywords
Dye-sensitized solar cells; Counter electrode; Graphene; Carbon nanotubes; Catalyst
Funding
- National Research Foundation of Korea [과C6B1912] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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As an alternative platinum counter electrode in dye-sensitized solar cells (DSSCs), carbon materials based counter electrode were prepared using multi-walled carbon nanotubes (MWNTs)/graphene nano-sheets (GNS) composite by simple doctor blade method. We found that the photovoltaic performance was strongly influenced by the concentration of GNS in composite electrode. The composite electrode with 60% MWNTs and 40% GNS based DSSCs showed the maximum power conversion efficiency of 4.0% while sputter deposited platinum counter electrode based DSSCs showed a power conversion efficiency of 5.0%. (C) 2011 Elsevier B.V. All rights reserved.
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