期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 295, 期 -, 页码 64-69出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2014.09.004
关键词
Wet-chemical method; SnO2 nanosheets; Surface passivation; Charge transport and recombination
资金
- Global Frontier R&D Program on Center for Hybrid Interface Materials (HIM) - Ministry of Science, ICT & Future Planning [2013-073298]
- Unit of King Saud University (KSU)
- Deanship of Scientific Research, College of Science Research Center
DSSCs synergic effect, for reducing charge recombination and energizing charge transfer, in SnO2 photoanodes functionalized with thin layers of several metal oxides including ZrO2, MgO, CaCO3 and ZnO etc., for boosting overall dye-sensitized solar cells (DSSCs) performance is investigated. The SnO2 photoanodes composed with upright-standing nanosheets were initially fabricated using a simple and cost-effective wet chemical method. Both pristine and functionalized SnO2 photoanodes were explored in DSSCs application in addition to other photoelectrochemical properties where, functionalized photoanodes exhibited remarkably improved light-to-electrical power conversion efficiencies compared to that of pristine one. To corroborate synergic effect and for probing the charge transport properties including charge transfer resistance and electron life time in thin metal oxide functionalized SnO2 photoanodes, electrochemical impedance spectroscopy measurement was undertaken. (C) 2014 Elsevier B.V. All rights reserved.
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