Performance Analysis of InAs0.98N0.02/AlPxSb(1-x) Quantum Dot Intermediate Band Solar Cell

2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE) Pub Date : 2021-10-09 DOI:10.1109/REPE52765.2021.9617054

B. Nath, Mohammad Kawser Alam, Hassan Mohamed, Y. Yusoff, M. A. Matin, N. Amin

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引用次数: 1

Abstract

Recently, quantum dot intermediate band solar cell (QDIBSC) becomes increasingly popular among researchers due to the low efficiency of different types of first and second-generation solar cells. QDIBSC can produce high efficiency by utilizing photons having energy lower than the bandgap energy of absorber material. Power conversion efficiency (PCE) of QDIBSC depends on intermediate bands (IBs) position and width. IBs number, position and width again depend on quantum dot (QD) size, barrier material content, interdot distance. In this numerical analysis to illustrate the position, number and width of the IBs were determined by resolving the time-independent Schrödinger wave equation with the help of the Kronig-Penney model. In this part of work, the effect of multi IBs on PCE of InAs0.9sN0.02/AlPxSb(1-x) QDIBSC was theoretically investigated and maximum efficiency was found to be 63.12% for three IBs, 51.91% for two IBs and 3S.SS% for the single intermediate band for a certain QD size, phosphorus content and interdot distance.

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InAs0.98N0.02/AlPxSb(1-x)量子点中间带太阳能电池性能分析

近年来，由于不同类型的第一代和第二代太阳能电池效率较低，量子点中间带太阳能电池(QDIBSC)越来越受到研究人员的青睐。QDIBSC可以利用能量低于吸收材料带隙能量的光子产生高效率。QDIBSC的功率转换效率(PCE)取决于中间带(ib)的位置和宽度。IBs的数量、位置和宽度又取决于量子点(QD)的大小、阻挡材料的含量、点间距离。在本文的数值分析中，利用Kronig-Penney模型，通过求解与时间无关的Schrödinger波动方程来确定ib的位置、数量和宽度。在这部分工作中，从理论上研究了多ib对InAs0.9sN0.02/AlPxSb(1-x) QDIBSC的PCE的影响，发现3 ib的最高效率为63.12%，2 ib和3S的最高效率为51.91%。对于一定量子点尺寸、磷含量和点间距离的单中间带，SS%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)

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