论文标题
设计少层石墨烯Schottky触点太阳能电池：理论效率限制和参数优化
Designing Few-layer Graphene Schottky Contact Solar Cell: Theoretical Efficiency Limits and Parametric Optimization
论文作者
论文摘要
从理论上讲，基于肖特基接触装置结构，我们从理论上研究了少量石墨烯 - 轴向导体太阳能电池（FGSC）的效率限制和性能特征。我们通过明确考虑几层石墨烯/半导体Schottky异质结构上的非富甲烷热发射来对各种构型的能量转换效率进行建模。该计算表明，与ABC堆叠构型相比，由于较低的反向饱和电流，ABA堆叠的三层石墨烯太阳能太阳能电池的最大转化效率超过28 \％。 ABA和ABC堆叠FGSC的PCE的热系数分别为-0.064 \％/K和-0.049 \％/K。我们的工作为基于石墨烯的太阳能电池的最佳设计提供了见解，从而为未来的Nanoscale Energy转换器铺平了一条途径。
We theoretically study the efficiency limits and performance characteristics of few-layer graphene-semiconductor solar cells (FGSCs) based on a Schottky contact device structure. We model and compare the energy conversion efficiency of various configurations by explicitly considering the non-Richardson thermionic emission across few-layer graphene/semiconductor Schottky heterostructures. The calculations reveal that ABA-stacked trilayer graphene-silicon solar cell exhibits a maximal conversion efficiency exceeding 28\% due to a lower reversed saturation current when compared to that of the ABC-stacking configuration. The thermal coefficients of PCE for ABA and ABC stacking FGSCs are -0.064\%/K and -0.049\%/K, respectively. Our work offers insights for optimal designs of graphene-based solar cells, thus paving a route towards the design of high-performance FGSC for future nanoscale energy converters.
