Journal
APPLIED SURFACE SCIENCE
Volume 282, Issue -, Pages 695-699Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2013.06.035
Keywords
TiO2 nanotube arrays; Ag2S quantum dots; S-CBD; Co-sensitized solar cell; Photoelectric conversion
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Funding
- Science and Technology Fund of CAEP [2011B0302052]
- National Natural Science Foundations of China [91023037, 50774053]
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Ag2S quantum dots (QDs) and N3 dye co-sensitized TiO2 nanotube arrays (Ag2S-N3-TNAs) were prepared by the processes of anodization method followed by sequential chemical bath deposition (S-CBD) approach and dye sensitization, using FTO-based titanium film formed by vacuum ion coating method as a precursor. XRD, EDS, FE-SEM, TEM, UV-vis diffuse reflectance and photo electrochemical measurements were used to characterize the samples. Fabricated co-sensitized solar cell prototype exhibited a photocurrent density of 10.2 mA cm(-2) and a power conversion efficiency of 4.40% based solar cells, which is higher than that of N3-sensitized TiO2 nanotube arrays (N3-TNAs) (8.5 mA cm-2 and 3.64%) under AM 1.5 light irradiation. (C) 2013 Elsevier B.V. All rights reserved.
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