Direct Semiconductor Bonded 5J Cell for Space and Terrestrial Applications

被引：94

作者：

Chiu, P. T. ^{[1
]}

Law, D. C. ^{[1
]}

Woo, R. L. ^{[1
]}

Singer, S. B. ^{[1
]}

Bhusari, D. ^{[1
]}

Hong, W. D. ^{[1
]}

Zakaria, A. ^{[1
]}

Boisvert, J. ^{[1
]}

Mesropian, S. ^{[1
]}

King, R. R. ^{[1
]}

Karam, N. H. ^{[1
]}

机构：

[1] Spectrolab Inc, Sylmar, CA 91342 USA

来源：

IEEE JOURNAL OF PHOTOVOLTAICS | 2014年 / 4卷 / 01期

关键词：

Direct wafer bonding; multijunction cells;

D O I：

10.1109/JPHOTOV.2013.2279336

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：

Spectrolab has demonstrated a 2.2/1.7/1.4/1.05/0.73 eV 5J cell with an efficiency of 37.8% under 1 sun AM1.5G spectrum and 35.1% efficiency for 1 sun AM0. The top three junctions and bottom two junctions were grown on GaAs and InP substrates, respectively, by metal organic vapor phase epitaxy. The GaAs-and InP-based cells were then direct bonded to create a low-resistance, high-transmissive interface. Both the space and terrestrial cells have high 1 sun V-oc between 4.75 and 4.78 V. Initial tests of the terrestrial cells at concentration are promising with efficiencies increasing up to 10x concentration to a maximum value close to 41%.

引用

页码：493 / 497

页数：5

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