Optical management in perovskite/silicon tandem solar cell with nanocones array

Qingsong Liu; Junye Wang; Zhenqiu Dai; Yu Shen; Jingjing Zhou; Peng Zhou; Qingzhu Wei; Yawei Kuang

doi:10.1117/12.2599110

22 October 2021 Optical management in perovskite/silicon tandem solar cell with nanocones array

Qingsong Liu, Junye Wang, Zhenqiu Dai, Yu Shen, Jingjing Zhou, Peng Zhou, Qingzhu Wei, Yawei Kuang

Proceedings Volume 11893, Photonics for Energy; 118931B (2021) https://doi.org/10.1117/12.2599110
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

In this paper, nanocones array is introduced into bottom silicon cells design. By finite-difference time-domain methods, the absorption efficiency in the range of 300-1100nm has been analyzed, and the structural parameters have been also optimized. Our calculations show that with the increase of the height of the nanocones, the spectra of the top cell and the bottom cell have significant interference effects, and the short wave photons and long wave photons can achieve the maximum light absorption through strict optical management.The absorption enhancement modes of photons at different wavelengths have been analyzed intuitively by the distribution of electric field. These results enable a viable and convenient route toward high efficiency design of perovskite/Si tandem solar cells.

Citation Download Citation

Qingsong Liu, Junye Wang, Zhenqiu Dai, Yu Shen, Jingjing Zhou, Peng Zhou, Qingzhu Wei, and Yawei Kuang "Optical management in perovskite/silicon tandem solar cell with nanocones array", Proc. SPIE 11893, Photonics for Energy, 118931B (22 October 2021); https://doi.org/10.1117/12.2599110

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KEYWORDS

Absorption

Silicon

Photons

Tandem solar cells

Perovskite

Finite-difference time-domain method

Interfaces

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