Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 2, Pages 194-198Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ta00416j
Keywords
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Funding
- National 973 & 863 Program of China [2009CB939900, 2011AA050505]
- NSF of China [51202274, 50821004, 61106088, 50902143, 21101164, 61076062, 51102263]
- Science and Technology Commission of Shanghai [10JC1415800]
- National Science and Technology Major Project [2011ZX02707]
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An oriented millerite nickel sulfide (NiS) nanorod array was successfully grown on bare glass substrate. Metallic conductivity and outstanding electrocatalytic activity make it possible to function as a new type of two-in-one counter electrode (CE) in dye-sensitized solar cells (DSCs) to replace both the transparent conductive oxide (TCO) and Pt electrocatalyst. When applied in DSCs, an impressive power conversion efficiency of 7.41% was achieved, comparable to that of TCO supported Pt CE (7.55%). The NiS nanoarray film could be a potential candidate to realize a two-in-one CE in DSCs, which is highly desirable to reduce the fabrication cost of DSCs while retaining a comparable conversion efficiency.
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