Light trapping and reflection control for silicon thin films deposited on glass substrates textured by embossing

被引:6
作者
Campbell, P [1 ]
Keevers, M [1 ]
机构
[1] Univ New S Wales, Sydney, NSW 2052, Australia
来源
CONFERENCE RECORD OF THE TWENTY-EIGHTH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 2000 | 2000年
关键词
D O I
10.1109/PVSC.2000.915837
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
A glass substrate texture of pyramids formed by embossing, suitable for polycrystalline silicon solar cells 5-20 mum thick, is described. A monocrystalline silicon wafer textured with inverted pyramids was used as a die. We evaluate antireflection and light trapping properties for an undoped a-Si:H silicon film (volumetric thickness 5.6 mum; no reflector) simultaneously deposited on this texture and sandblasted glass, using total reflectance and transmittance measurements. J(sc) enhancement potential from light trapping in equally thick polycrystalline silicon films on the same substrates is estimated to be 6.7 (sandblasted), 8.7 (embossed) mA/cm(2). Light trapping characteristics obtained by spectral photoconductance measurements of the specimens are compared.
引用
收藏
页码:355 / 358
页数:4
相关论文
共 14 条
[1]  
Basore P. A., 1993, 23 IEEE PHOT SPEC C, P147
[2]  
CAMPBELL P, IN PRESS SOLAR ENERG
[3]  
CAMPBELL P, 1999, 11 PV SCI ENG C TECH, P333
[4]   OPTICAL CHARACTERIZATION OF AMORPHOUS-SILICON HYDRIDE FILMS [J].
CODY, GD ;
WRONSKI, CR ;
ABELES, B ;
STEPHENS, RB ;
BROOKS, B .
SOLAR CELLS, 1980, 2 (03) :227-243
[5]   MAXIMUM STATISTICAL INCREASE OF OPTICAL-ABSORPTION IN TEXTURED SEMICONDUCTOR-FILMS [J].
DECKMAN, HW ;
ROXLO, CB ;
YABLONOVITCH, E .
OPTICS LETTERS, 1983, 8 (09) :491-493
[6]   SPECTRAL SOLAR IRRADIANCE DATA SETS FOR SELECTED TERRESTRIAL CONDITIONS [J].
HULSTROM, R ;
BIRD, R ;
RIORDAN, C .
SOLAR CELLS, 1985, 15 (04) :365-391
[7]   EFFICIENCY OF THE A-SI-H SOLAR-CELL AND GRAIN-SIZE OF SNO2 TRANSPARENT CONDUCTIVE FILM [J].
IIDA, H ;
SHIBA, N ;
MISHUKU, T ;
KARASAWA, H ;
ITO, A ;
YAMANAKA, M ;
HAYASHI, Y .
IEEE ELECTRON DEVICE LETTERS, 1983, 4 (05) :157-159
[8]   Behaviour of Ti-Al-N coatings for tools applied in the thermoplastic moulding of inorganic glasses [J].
Kleer, G ;
Kaiser, E ;
Doll, W .
SURFACE & COATINGS TECHNOLOGY, 1996, 79 (1-3) :95-102
[9]   EFFECT OF SURFACE RECOMBINATION ON THE SPECTRAL DEPENDENCE OF PHOTOCURRENT IN INTRINSIC HYDROGENATED AMORPHOUS-SILICON FILMS [J].
LI, YM ;
DAWSON, RM ;
COLLINS, RW ;
WRONSKI, CR ;
WIEDEMAN, S .
APPLIED PHYSICS LETTERS, 1991, 59 (20) :2549-2551
[10]  
PILKINGTON UK, 1988, Patent No. 8801080