Journal
SURFACE & COATINGS TECHNOLOGY
Volume 259, Issue -, Pages 560-569Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2014.10.030
Keywords
Coating; Foam; Nickel; Nitride; DSSC; Counter electrode
Funding
- Institute of Basic Science (IBS)
- Global Frontier R&D Program on Center for Multiscale Energy System - National Research Foundation (NRF) under the Ministry of Science, ICT Future, Korea [2011-0031571]
- NRF [NRF-2012K1A3A1A12054894]
- Priority Research Centers Program through NRF [2012-0006680]
- Pioneer Research Centers Program through NRF [2011-0001684]
- National Research Foundation of Korea [2012K1A3A1A12054894] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study employs for the first time surface-nitrided Ni foam as a counter-electrode free of Pt and transparent conducting oxides (TCOs) to realize a cost-effective counter electrode for dye-sensitized solar cells (DSSCs). This electrode simultaneously features high catalytic activity for triiodide reduction and high conductivity in a single layer. The nitrided Ni foam is synthesized by nitridation treatment of open-cell Ni foam in an ammonia atmosphere. This electrode presents high catalytic activity on the nitrided surface and easy electron transport ability in the three-dimensional, interconnected metallic structure. This study provides a preliminary design concept for utilizing the nitrided Ni foam as a promising cost-effective counter electrode that does not require expensive Pt and TCO. (C) 2014 Elsevier B.V. All rights reserved.
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