Carrier recombination effects in strain compensated quantum dot stacks embedded in solar cells

被引:36
作者
Alonso-Alvarez, D. [1 ]
Taboada, A. G. [1 ]
Ripalda, J. M. [1 ]
Alen, B. [1 ]
Gonzalez, Y. [1 ]
Gonzalez, L. [1 ]
Garcia, J. M. [1 ]
Briones, F. [1 ]
Marti, A. [2 ]
Luque, A. [2 ]
Sanchez, A. M. [3 ,4 ]
Molina, S. I. [3 ,4 ]
机构
[1] CSIC, CNM, Inst Microelect Madrid, PTM, Madrid 28760, Spain
[2] UPM, Inst Energia Solar IES, Madrid 28040, Spain
[3] QI Univ Cadiz, Cadiz 11510, Spain
[4] Dept Ciencia Mat & Ing Met, Cadiz 11510, Spain
关键词
D O I
10.1063/1.2978243
中图分类号
O59 [应用物理学];
学科分类号
摘要
thickness of 18 nm using GaP monolayers for strain compensation. We find a good structural and optical quality of the fabricated samples including a planar growth front across the whole structure, a reduction in the quantum dot size inhomogeneity, and an enhanced thermal stability of the emission. The optimized quantum dot stack has been embedded in a solar cell structure and we discuss the benefits and disadvantages of this approach for high efficiency photovoltaic applications. (C) 2008 American Institute of Physics.
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页数:3
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