期刊
SOLAR ENERGY
卷 85, 期 9, 页码 2179-2184出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2011.06.007
关键词
Luminescent solar concentrators; Europium complex; Visible light sensitization; I-V characteristics; Self-absorption
资金
- National Natural Science Foundation of China [21074123, 91027024, 50973101]
- Chinese Academy of Scimces [kjcx2-yw-m11]
- China Postdoctoral Science Foundation [20100470038]
In this paper, a europium complex, Eu(TTA)(3)Dpbt (TTA = thenoyltrifluoroacetonate, Dpbt = 2-(N,N-diethylanilin-4-yl)-4,6-bis(3,5-dimethylpyrazol-1-yl)-1,3,5-triazine), with extended absorption range is incorporated into polyvinyl-butyral (PVB) to fabricate luminescent solar concentrators (LSCs) on the face of K9 glass. This kind of LSC can absorb the light in the UV and the blue region and is free of self-absorption. External quantum efficiency of the LSC is measured at different wavelength. Under a solar simulator (AM1.5G), efficiency of Eu(TTA)(3)Dpbt doped LSC is 11% higher than that of Eu(TTA)(3)Phen doped LSC (0.176%), resulting from the absorption of Eu(TTA)(3)Phen which is limited within UV region. It can be seen from this result that extending absorption region of lanthanide complexes can be used to further enhance efficiency of lanthanide complex doped LSC, besides these complexes are without self-absorption because of their large Stokes shift. (C) 2011 Elsevier Ltd. All rights reserved.
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