General equivalent circuit for intermediate band devices: Potentials, currents and electroluminescence

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作者：
机构：
[1] Luque, A.
[2] Martí, A.
[3] Stanley, C.
[4] López, N.
[5] Cuadra, L.
[6] Zhou, D.
[7] Pearson, J.L.
[8] McKee, A.
来源：
Luque, A. | 1600年 / American Institute of Physics Inc.卷 / 96期
关键词：
Current density - Current voltage characteristics - Diodes - Electric potential - Electroluminescence - Fermi level - Impact ionization - Light propagation - Photons - Refraction - Semiconducting indium compounds - Semiconductor quantum dots;
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摘要：
A general model to describe the operation of intermediate band solar cells (IBSC) was presented in equivalent circuit form. The model incorporate a significant number of physical effects such as radiative coupling between bands, and impact ionization, and Auger recombination mechanisms. The model was also applied to IBSC prototypes fabricated from InAs quantum dots structures to determine the value of the circuit elements involved. The results show that there is evidence of splitting between the conduction and intermediate band quasi-Fermi levels.
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