期刊
JOURNAL OF LUMINESCENCE
卷 134, 期 -, 页码 59-62出版社
ELSEVIER
DOI: 10.1016/j.jlumin.2012.09.014
关键词
Dye-sensitized solar cell; Rare-earth ion; Downshift luminescence; P-type doping
类别
资金
- National High Technology Research and Development Program of China [2009AA03Z217]
- National Natural Science Foundation of China [90922028, 51002053]
Doped rare-earth oxide Gd2O3:Sm3+ is prepared and introduced into the TiO2 film in dye-sensitized solar cell (DSSC). Gd2O3:Sm3+, as a luminescence medium, improves light harvest via a downshift luminescence process and increases photocurrent of the DSSC; the rare-earth ion, as a p-type dopant, elevates the energy level of the oxide film and increases the photovoltage of the DSSC. Under a simulated solar light irradiation with intensity of 100 mW cm(-2), a DSSC contained Gd2O3:Sm3+ (6% in doping layer) achieves a light-to-electric energy conversion efficiency of 6.72%, which is increased by 12.6% compared with a DSSC lacking Gd2O3:Sm3+. (c) 2012 Elsevier B.V. All rights reserved.
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