利用银半球纳米颗粒增强具有上变频层的超薄晶硅太阳能电池的光吸收

IF 1.1 4区物理与天体物理 Q4 NANOSCIENCE & NANOTECHNOLOGY

Journal of Nanophotonics Pub Date : 2023-07-01 DOI:10.1117/1.JNP.17.036001

Chenbo Wang, Zhuoqun Li, Dan Liang, Zhe Yin, Sahibzada Muhammad Zaheer, Gang Yang, Lingguang Liu, F. Bian, Zhaopeng Xu

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引用次数: 0

摘要

摘要提出了一种具有上变频（UC）层和银纳米半球阵列的高效超薄晶体硅太阳能电池（SC）。通过有限元分析，系统地研究了不同体积比和Ag纳米半球半径的SC的光捕获性能。模拟结果表明，通过调整Ag纳米半球的结构参数，可以显著提高SC的短路电流密度和UC层中的光场强度。与平面SC相比，结构化SC的短路电流密度提高了16.48%，UC层中的光场强度提高了2.65倍。此外，还研究了UC对SC功率转换效率的影响。所提出的模型将作为进一步制备高效超薄晶体SC的基础。

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Light absorption enhancement of ultrathin crystalline silicon solar cells with frequency upconversion layer using silver hemisphere nanoparticles

Abstract. High-efficiency and ultrathin crystalline silicon solar cells (SCs) with a frequency upconversion (UC) layer and an array of silver nanohemispheres were presented. The light-trapping performances of SCs embedded with different volume ratios and radii of Ag nanohemispheres were systematically studied by finite-element analysis. The simulation results show that the short-circuit current density of the SCs and the light-field intensity in the UC layer can be significantly improved by adjusting the structural parameters of Ag nanohemispheres. The short-circuit current density of the structured SCs have been improved by 16.48% and the light-field intensity in the UC layer has been increased by 2.65 times compared to that of planar SCs. Additionally, the UC effects on the power conversion efficiency of the SCs were also investigated. The presented model will serve as the basis for further preparations of high-efficiency ultrathin crystalline SCs.

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来源期刊

Journal of Nanophotonics 工程技术-光学

CiteScore

2.60

自引率

6.70%

发文量

审稿时长

3 months

期刊介绍： The Journal of Nanophotonics publishes peer-reviewed papers focusing on the fabrication and application of nanostructures that facilitate the generation, propagation, manipulation, and detection of light from the infrared to the ultraviolet regimes.