壳层材料和约束方式对核/壳量子点异质结太阳电池转换效率的影响
Effect of the shell material and confinement type on the conversion efficiency of the core/shell quantum dot nanocrystal solar cells
摘要：
在这项研究中，壳层材料和限制类型对核/壳量子点量子点（QDNC）太阳能电池的转换效率的影响进行了详细的研究。为此，对Shockley和Queisser提出的计算硅pn结太阳电池转换效率上限的传统（即原始）细致平衡模型进行了简单有效的修正，并计算了核/壳QDNC太阳电池的转换效率。由于现有的模型依赖于太阳能电池的带隙能（$E_g$），所以它没有估计QDNC材料对太阳能电池效率的影响，并且给出了具有相同$E_g$的几个QDNC太阳能电池的相同效率值。然而，所提出的修改估计了与QDNCs的材料性质和限制类型有关的转换效率。结果表明，与原模型相比，不同的QDNC太阳能电池，即使它们具有相同的$E_g$，其转换效率也会因核/壳QDNC的限制类型和壳层材料的不同而不同，这对新一代太阳能电池的设计和制造至关重要，以预测限制类型和合适的QDNC材料以获得更好的转换效率。
英文摘要：
In this study, effects of the shell material and confinement type on the conversion efficiency of the core/shell quantum dot nanocrystal (QDNC) solar cells have been investigated in a detail manner. For this purpose, the conventional, i.e original, detailed balance model, developed by Shockley and Queisser to calculate an upper limit for conversion efficiency of silicon p-n junction solar cells, is modified in a simple and an effective way and calculated the conversion efficiency of core/shell QDNC solar cells. Since the existing model relies on the gap energy ($E_g$) of the solar cell, it does not make an estimation about the effect of QDNC materials on the efficiency of the solar cells and gives the same efficiency values for several QDNC solar cells with the same $E_g$. The proposed modification, however, estimates a conversion efficiency in relation to the material properties and also confinement type of the QDNCs. The results of the modified model show that, in contrast to the original one, the conversion efficiencies of different QDNC solar cells, even if they have the same $E_g$, become different depending upon the confinement type and shell material of the core/shell QDNCs and this is crucial in design and fabrication of the new generation solar cells to predict the confinement type and also appropriate QDNC materials for better efficiency.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
