Study of the Tunneling Effect on the Performance of Silicon Heterojunction Solar Cells

被引：1

作者：

Duan, Yunkai ^{[1
]}

Xu, Weihong ^{[2
]}

He, Xiaoliang ^{[1
]}

Jiang, Zhilong ^{[1
]}

Lu, Hongyan ^{[3
]}

Zhang, Song ^{[3
]}

Liu, Cheng ^{[1
,4
]}

Wang, Shouyu ^{[1
,5
]}

Kong, Yan ^{[1
]}

机构：

[1] Jiangnan Univ, Sch Sci, Computat Opt Lab, Wuxi 214122, Jiangsu, Peoples R China

[2] Wuxi Vocat Inst Commerce, Coll Internet Things & Artificial Intelligence, Wuxi 214153, Jiangsu, Peoples R China

[3] DR Laser Technol Wuxi Co Ltd, Wuxi 214101, Peoples R China

[4] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

[5] OptiX Lab, Wuxi, Peoples R China

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2023年 / 52卷 / 05期

关键词：

Heterojunction solar cell; AFORS-HET; tunneling effect; interface state density; doping level; CARRIER TRANSPORT MECHANISMS; OPTIMIZATION; SIMULATION; EFFICIENCY; RECOMBINATION; INVERSION; JUNCTIONS; LAYER;

D O I：

10.1007/s11664-023-10291-3

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, to determine the tunneling effect on the performance of silicon heterojunction (SHJ) solar cells, we use AFORS-HET software to systematically study the carrier transport mechanism in different forward bias ranges under dark conditions. We confirm that the carrier transport in the p-type SHJ solar cell is determined by the recombination process at lower voltage (V < 0.3 V) and the tunneling current at higher voltage (0.3 < V < 0.6 V). Our results also suggest that the tunneling affected by the interface state density and doping level of a-Si:H influences the performance of devices. Moreover, we propose a new strategy to improve the performance of SHJ solar cells. By optimizing the above parameters, it was possible to increase the efficiency of a-Si:H(n)/c-Si(p)/a-Si:H(p) and a-Si:H(p)/c-Si(n)/a-Si:H(n) SHJ solar cells to 25.40% and 24.45%, respectively, to reduce the influence of the tunneling effect on the device. This work can be a useful reference for solar cell production and preparation.

引用

页码：3219 / 3227

页数：9

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