Thermal emittance of sputter deposited infrared reflectors in spectrally selective tandem solar absorbers

被引：13
|
作者：
Gelin, K [1 ]
Boström, T [1 ]
Wäckelgård, E [1 ]
机构：
[1] Univ Uppsala, Angstrom Lab, Dept Engn Sci, Div Solid State Phys, SE-75121 Uppsala, Sweden
来源：
SOLAR ENERGY | 2004年 / 77卷 / 01期
关键词：
thermal emittance; DC sputter deposition; selective solar absorber;
D O I：
10.1016/j.solener.2004.02.009
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 thermal emittance of infrared reflectors, deposited by DC-magnetron sputtering on glass substrates of spectrally selective solar absorbers was studied. The deposition process was optimized in order to decrease the thermal emittance of the absorber. The sputter deposition process was optimized with regard to applied power and argon pressure for nickel-vanadium, copper-nickel and copper. The results show that the thermal emittance of the infrared reflector in a tandem solar absorber can be reduced from 0.12 to 0.06 by replacing nickel-chromium by copper-nickel. The copper-nickel alloy has a higher deposition rate and is less sensitive to the sputtering conditions, which is also favorable in large-scale industrial production. (C) 2004 Published by Elsevier Ltd.
引用
收藏
页码：115 / 119
页数：5
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