Luminescent Ethylene Vinyl Acetate Encapsulation Layers for Enhancing the Short Wavelength Spectral Response and Efficiency of Silicon Photovoltaic Modules

被引：47
作者：
Klampaftis, Efthymios [1 ]
Congiu, Martina [2 ]
Robertson, Neil [2 ]
Richards, Bryce S. [1 ]
机构：
[1] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14, Midlothian, Scotland
[2] Univ Edinburgh, Sch Chem, Edinburgh EH9 3JJ, Midlothian, Scotland
来源：
IEEE JOURNAL OF PHOTOVOLTAICS | 2011年 / 1卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
Encapsulation; luminescence; photovoltaic (PV) cells; silicon devices; INTRAMOLECULAR ENERGY-TRANSFER; SOLAR CONCENTRATORS; QUANTUM YIELDS; COMPLEXES; EMISSION; CELLS; EU3+;
D O I：
10.1109/JPHOTOV.2011.2162720
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The inclusion of luminescent material in the ethylene vinyl acetate (EVA) encapsulation layer of multicrystalline silicon (mc-Si) photovoltaic modules offers a production-ready method for the improvement of their short-wavelength (lambda) spectral response and overall conversion efficiency. Several luminescent materials and mixtures thereof were evaluated for this purpose in an EVA matrix, including perylene and violanthrone dyes and a novel ligand-sensitised europium complex. The external quantum efficiency of mc-Si modules can be greatly improved in the region of 300 nm < lambda < 400 nm via luminescent down-shifting (LDS) of the incident light. In the best-case scenario, an increase in efficiency of 0.3% absolute is reported for a 59-cm(2) minimodule. The LDS technology cannot only be simply transferred to a standard production line with no added layers and/or manufacturing processes but can be used to color photovoltaic (PV) modules for architectural purposes as well.
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页码：29 / 36
页数：8
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