基于蛾眼仿生结构的钙钛矿太阳电池表界面光学调控

沈向前; 韩非; 蒋斯涵; 江舟; 周华

doi:10.19912/j.0254-0096.tynxb.2023-1404

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (4) : 85-90. DOI: 10.19912/j.0254-0096.tynxb.2023-1404

基于蛾眼仿生结构的钙钛矿太阳电池表界面光学调控

沈向前¹, 韩非¹, 蒋斯涵¹, 江舟¹, 周华²

作者信息 +

OPTICAL MODULATION OF SURFACE/INTERFACE OF PEROVSKITE SOLAR CELLS BASED ON MOTH EYE BIO-INSPIRED STRUCTURE

Shen Xiangqian¹, Han Fei¹, Jiang Sihan¹, Jiang Zhou¹, Zhou Hua²

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文章历史 +

摘要

采用时域有限差分法（FDTD）和严格耦合波分析（RCWA）,系统研究蛾眼仿生结构对钙钛矿太阳电池表面和界面的光学调控特性,同时通过等效介质理论（EMT）分析其中的增强机制。结果表明,蛾眼结构的引入可有效打破材料之间的界面限制,使折射率从突变转向梯度渐变,光波可几乎不受阻碍的穿过两种材料的交界面。经过优化调控,表面和界面的光学损失分别从3.52%和3.30%降到0.08%和0.06%,钙钛矿太阳电池的光电响应性能明显增强,转换效率相比平面电池提升14.93%。

Abstract

The optical control characteristics of biomimetic moth-eye structures on the surface and interface of perovskite solar cells （PSCs） were systematically investigated using the Finite Difference Time Domain （FDTD） method and Rigorous Coupled Wave Analysis （RCWA）, with the enhancement mechanisms analyzed through Equivalent Medium Theory （EMT）. The results demonstrate that the introduction of moth-eye structures effectively breaks the interface limitations between materials, resulting in the refractive index to shift from adrupt change to gradient change. As a result, optical waves can pass through the interface between the two materials almost unhindered. With optimized regulation, the optical losses of the surface and interface decrease from the original 3.52% and 3.30% to 0.08% and 0.06%, respectively. Consequently, the photoelectric response performance of the cells is significantly enhanced, with an increase in energy conversion efficiency by 14.93% compared to planar cells.

导出引用

沈向前, 韩非, 蒋斯涵, 江舟, 周华. 基于蛾眼仿生结构的钙钛矿太阳电池表界面光学调控[J]. 太阳能学报. 2024, 45(4): 85-90 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1404

Shen Xiangqian, Han Fei, Jiang Sihan, Jiang Zhou, Zhou Hua. OPTICAL MODULATION OF SURFACE/INTERFACE OF PEROVSKITE SOLAR CELLS BASED ON MOTH EYE BIO-INSPIRED STRUCTURE[J]. Acta Energiae Solaris Sinica. 2024, 45(4): 85-90 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1404

中图分类号： TM914.4

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