AMORPHOUS DIAMOND-LIKE CARBON-FILMS - A HARD ANTI-REFLECTING COATING FOR SILICON SOLAR-CELLS

被引:32
作者
ALALUF, M [1 ]
APPELBAUM, J [1 ]
KLIBANOV, L [1 ]
BRINKER, D [1 ]
SCHEIMAN, D [1 ]
CROITORU, N [1 ]
机构
[1] NASA,LEWIS RES CTR,CLEVELAND,OH 44135
关键词
AMORPHOUS MATERIALS; DIAMOND; OPTICAL COATINGS; SOLAR CELLS;
D O I
10.1016/0040-6090(95)80024-7
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Amorphous diamond-line carbon (a:DLC) films are suitable for use as a protective layer and/or anti-reflecting coating for silicon solar cells. Microhardness tests show a high hardness of about 4700 kg mm(-2) Optical measurements in the visible light on a silicon solar cell without anti-reflecting coating where a:DLC was deposited as an anti-reflecting (AR) coating, show a significant reduction in the reflection of the light of about 25-45% as compared with the reflection from the solar cell before deposition of the a:DLC film. The current-voltage (I-V) characteristics of solar cells without an anti-reflecting coating and with a:DLC as the AR coating layer show an improvement in the short circuit current (from 107 mA to 116 mA) and in the efficiency of the cell by 1% (from 8% to 9%). I-V characteristics of a solar cell with AR coating and deposited a:DLC (400 Angstrom thickness) over that film as a protective coating, show a slight reduction of the short circuit current (from 168 mA to 145 mA), and the efficiency of the solar cell decreases (16% to 14%). However, the microhardness was significantly increased.
引用
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页码:1 / 3
页数:3
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