Correlations between electrical and optical properties in lattice-matched GaAsPN/GaP solar cells

被引：24
作者：
Almosni, S. [1 ]
Rale, P. [2 ]
Cornet, C. [1 ]
Perrin, M. [1 ]
Lombez, L. [2 ]
Letoublon, A. [1 ]
Tavernier, K. [1 ]
Levallois, C. [1 ]
Rohel, T. [1 ]
Bertru, N. [1 ]
Guillemoles, J. F. [2 ,3 ]
Durand, O. [1 ]
机构：
[1] INSA Rennes, CNRS, UMR FOTON, 20 Ave Buttes de Coesmes, F-35708 Rennes, France
[2] UMR 7174 CNRS EDF ENSCP, IRDEP, 6 Quai Watier BP 49, F-78401 Chatou, France
[3] LIA CNRS RCAST Univ Tokyo Univ Bordeaux, NextPV, Meguro Ku, 4-6-1 Komaba, Tokyo 1538904, Japan
来源：
SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2016年 / 147卷
关键词：
Solar cells; X-ray diffraction; Photoluminescence; Molecular beam epitaxy; MOLECULAR-BEAM-EPITAXY; BAND-GAP; NITROGEN; DEFECTS; GROWTH; EFFICIENCY; GAINNAS; PHOTOLUMINESCENCE; LOCALIZATION; OPTIMIZATION;
D O I：
10.1016/j.solmat.2015.11.036
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：
In this work, we investigate correlations between optical and electro-optical properties of GaAsPN/GaP p-i-n solar cells grown by MBE on GaP(001) substrates. A photoluminescence model is first proposed to extract the long range compositional fluctuation energy scale from low temperature photoluminescence spectra of the GaAsPN dilute-nitride material. Solar cells grown with the same nitrogen content at different temperature reveal very different electrical performances. A 4.08 mA/cm(2) short-circuit current density has been obtained, that is an excellent value given the small absorber thickness (300 nm) and high material bandgap. Comparisons between solar cells photoluminescence, (under AM1.5G illumination) and IQE parameters reveal correlations between their optical and electrical parameters. These results reinforce PL measurements interest for dilute nitride solar cells growth optimization. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：53 / 60
页数：8
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