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- Title
Development of Graphene Nano-Platelet Ink for High Voltage Flexible Dye Sensitized Solar Cells with Cobalt Complex Electrolytes.
- Authors
Baker, Jennifer A.; Worsley, Carys; Lee, Harrison K. H.; Clark, Ronald N.; Tsoi, Wing C.; Williams, Geraint; Worsley, David A.; Gethin, David T.; Watson, Trystan M.
- Abstract
Graphene nanoparticles have been subject to intensive investigation as a replacement for platinum as the catalyst in dye sensitized solar cells (DSCs), but few of these investigations examine the application for flexible cells with deposition processes suitable for industrial fabrication. This work introduces a transparent water based graphene ink that can be dried rapidly at less than 110 ºC making it particularly suitable for roll to roll deposition on plastic substrates. This ink has application as a catalyst for dye sensitized solar cells utilizing cobalt complex electrolytes with efficiency of over 6 % and a Voc of 0.89 V at 1 sun demonstrated. A flexible DSC with a printed catalyst and cobalt redox mediator is reported, with efficiency of over 6.0 % and Voc of 0.6 V at 800 lux.
- Subjects
ELECTRIC properties of graphene; DYE-sensitized solar cells; ELECTROLYTES
- Publication
Advanced Engineering Materials, 2017, Vol 19, Issue 3, pn/a
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.201600652