Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 38, Pages 16023-16029Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta02238f
Keywords
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Funding
- National Basic Research Program of China [2011CB933302]
- STCSM [12JC1401500]
- Jiangsu Major Program [BY2010147]
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Single-crystal CoSe2 nanorods have been prepared by a facile one-step hydrothermal method. The thin CoSe2 films fabricated by drop-casting the CoSe2 nanorod suspension onto conductive substrates followed by simple drying without sintering can be used as a highly efficient electrocatalyst for the reduction of I-3(-). Dye-sensitized solar cells (DSSCs) with the standard N719 dye and the single-crystal CoSe2 nanorod cathode achieve a power conversion efficiency of 10.20% under AM1.5G one-sun illumination versus 8.17% for the Pt cathode. This finding implies that single-crystal CoSe2 nanorods are promising low-cost and high-performance cathode materials for high-performance DSSCs.
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