光伏系统
太阳能电池
光伏
选矿厂
光电子学
量子效率
太阳能电池效率
工程物理
紫外线
红外线的
材料科学
能量转换效率
光学
计算机科学
纳米技术
物理
工程类
电气工程
作者
Sara Bernardes,Ricardo A. Marques Lameirinhas,João Paulo N. Torres,Carlos A. F. Fernandes
出处
期刊:Nanomaterials
[MDPI AG]
日期:2021-01-01
卷期号:11 (1): 78-78
被引量:15
摘要
The world is witnessing a tide of change in the photovoltaic industry like never before; we are far from the solar cells of ten years ago that only had 15–18% efficiency. More and more, multi-junction technologies seem to be the future for photovoltaics, with these technologies already hitting the mark of 30% under 1-sun. This work focuses especially on a state-of-the-art triple-junction solar cell, the GaInP/GaInAs/Ge lattice-matched, that is currently being used in most satellites and concentrator photovoltaic systems. The three subcells are first analyzed individually and then the whole cell is put together and simulated. The typical figures-of-merit are extracted; all the I−V curves obtained are presented, along with the external quantum efficiencies. A study on how temperature affects the cell was done, given its relevance when talking about space applications. An overall optimization of the cell is also elaborated; the cell’s thickness and doping are changed so that maximum efficiency can be reached. For a better understanding of how varying both these properties affect efficiency, graphic 3D plots were computed based on the obtained results. Considering this optimization, an improvement of 0.2343% on the cell’s efficiency is obtained.
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