Glazing with very high solar transmittance

被引：55
作者：
Gombert, A
Glaubitt, W
Rose, K
Dreibholz, J
Zanke, C
Blasi, B
Heinzel, A
Horbelt, W
Sporn, D
Doll, W
Wittwer, V
Luther, J
机构：
[1] Fraunhofer Inst Solar Energy Syst ISE, D-79100 Freiburg, Germany
[2] Fraunhofer Inst Silicate Res ISC, D-97082 Wurzburg, Germany
[3] Fraunhofer Inst Mat Mech IWM, D-79108 Freiburg, Germany
来源：
SOLAR ENERGY | 1998年 / 62卷 / 03期
关键词：
D O I：
10.1016/S0038-092X(98)00008-5
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：
Different attempts have been made to produce anti-reflection (AR) layers for solar applications. The most promising solutions are based on the principle of mixing bulk material with air on a subwavelength scale in order to obtain the very low effective refractive indices suitable as AR coatings for glazing. Possibilities for achieving this are given by porous media and subwavelength surface-relief gratings. Subwavelength grating structures, which were embossed in organically modified sol-gel materials or acrylic materials, and porous sol-gel coatings were investigated and compared theoretically and experimentally by the Fraunhofer Institutes. It is shown, theoretically and experimentally, that an increase of solar transmittance of approximate to 3% per glass surface can be achieved with a porous sol-gel coating. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码：177 / 188
页数：12
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