GaAs量子阱太阳能电池量子效率的研究
发布时间：2019-07-09 08:29
【摘要】：将量子阱结构引入到单结GaAs太阳能电池中能够有效扩展吸收光谱.为了研究量子阱结构在GaAs太阳能电池中的作用机理,本文采用实验和理论的方法研究了InGaAs/GaAsP量子阱结构对电池量子效率的影响.实验结果表明,量子阱结构的窄带隙阱层材料将电池的吸收光谱从890 nm扩展到1000 nm.同时,量子阱结构的引入提高了680—890 nm波长范围内的量子效率,降低了波长在680 nm以下的量子效率.通过计算得到的量子阱结构和GaAs材料的光吸收系数,可以用来解释量子阱结构对太阳能电池量子效率的影响.
[Abstract]:The introduction of quantum well structure into single junction GaAs solar cells can effectively expand the absorption spectrum. In order to study the mechanism of quantum well structure in GaAs solar cells, the effect of InGaAs/GaAsP quantum well structure on the quantum efficiency of InGaAs/GaAsP solar cells was studied by experimental and theoretical methods. The experimental results show that the absorption spectrum of the battery is extended from 890 nm to 1000 nm. by the narrow band gap well layer material with quantum well structure. At the same time, the introduction of quantum well structure improves the quantum efficiency in the wavelength range of 680 鈮，
本文编号：2512020
[Abstract]:The introduction of quantum well structure into single junction GaAs solar cells can effectively expand the absorption spectrum. In order to study the mechanism of quantum well structure in GaAs solar cells, the effect of InGaAs/GaAsP quantum well structure on the quantum efficiency of InGaAs/GaAsP solar cells was studied by experimental and theoretical methods. The experimental results show that the absorption spectrum of the battery is extended from 890 nm to 1000 nm. by the narrow band gap well layer material with quantum well structure. At the same time, the introduction of quantum well structure improves the quantum efficiency in the wavelength range of 680 鈮，
本文编号：2512020
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