Investigation of InGaAsP solar cells grown by solid-state molecular beam epitaxy
Investigation of InGaAsP solar cells grown by solid-state molecular beam epitaxy
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固态分子束外延生长的 InGaAsP 太阳能电池的研究
DOI:
10.1016/j.solmat.2015.01.031
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发表时间:
2015-06
影响因子:
6.9
通讯作者:
Hui Yang
中科院分区:
文献类型:
--
作者:
Atsushi Tackeuchi;Lifeng Bian;Shulong Lu;Hui Yang
We report on the study of InGaAsP solar cells grown by solid-state molecular beam epitaxy (MBE) on InP. The effect of growth temperature on device performance is investigated. Under standard one-sun air-mass 1.5 global (AM1.5) illumination, an efficiency of 18.8% has been obtained for In0.78Ga0.22As0.48P0.52single-junction solar cells grown at high temperature. Time-resolved photoluminescence (PL) results demonstrate that the In0.78Ga0.22As0.48P0.52optical quality is greatly improved in the case of a high growth temperature. A longer PL decay time of In0.78Ga0.22As0.48P0.52/InP in contrast to In0.78Ga0.22As0.48P0.52/In0.52Al0.48As indicates that InP is more promising as the back surface field for future solar cell performance improvements.
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