Photo-stability of the photons converter applied in the photovoltaic conversion systems

被引：4
作者：
Ayad, M. [1 ,2 ]
Aissat, A. [2 ]
机构：
[1] EPST Ctr Dev Energies Renouvelables, UDES, RN11 Bou Ismail BP 386, Tipasa 42415, Algeria
[2] Univ Blida 1, Fac Technol, LATSI Lab, BP270,09-000, Blida, Algeria
来源：
SOLAR ENERGY | 2016年 / 133卷
关键词：
Down-shifting system; Organic dyes; Polymethyl-methacrylate (PMMA); Solar cells; SOLAR-CELLS; LUMINESCENT; PHOTODEGRADATION; EFFICIENCY;
D O I：
10.1016/j.solener.2016.04.005
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：
In this work we develop the idea of using a poly methyl methacrylate (PMMA) polymer doped with optically active molecules such as photovoltaic encapsulation materials. The effect of this encapsulation system on the incident solar spectrum has been obtained from direct allowed transition after the samples have been exposed to sunlight. A resulting, the incident solar spectrum at the interface is red-shifted for a better fit with the spectral response of SiO2/Si solar cell structures. The simulation results showed that the short-circuit current density increased by 7%. Therefore the mechanism of the photo-degrading by UV illumination of an LDS has been studied to identify molecular changes that occur in the organic dye when exposed to UV light. The photo-degrading effect of the PMMA layer was measured by CONICA-MINOLTA spectrometer, as a function of increasing exposure time to UV light. The UV Photo-degrading studies revealed that the more photo-stable dye doped in value. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：221 / 225
页数：5
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