Physics-Based Modeling and Experimental Study of Si-Doped InAs/GaAs Quantum Dot Solar Cells
Physics-Based Modeling and Experimental Study of Si-Doped InAs/GaAs Quantum Dot Solar Cells
复制标题
硅掺杂 InAs/GaAs 量子点太阳能电池的物理建模和实验研究
DOI:
10.1155/2018/7215843
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发表时间:
2018
影响因子:
3.2
通讯作者:
Cédola A
中科院分区:
文献类型:
--
作者:
Cédola A
This paper presents an experimental and theoretical study on the impact of doping and recombination mechanisms on quantum dot solar cells based on the InAs/GaAs system. Numerical simulations are built on a hybrid approach that includes the quantum features of the charge transfer processes between the nanostructured material and the bulk host material in a classical transport model of the macroscopic continuum. This allows gaining a detailed understanding of the several physical mechanisms affecting the photovoltaic conversion efficiency and provides a quantitatively accurate picture of real devices at a reasonable computational cost. Experimental results demonstrate that QD doping provides a remarkable increase of the solar cell open‐circuit voltage, which is explained by the numerical simulations as the result of reduced recombination loss through quantum dots and defects.
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