Broadband antireflection and light trapping for GaAs solar cells decorated with dielectric composite nanostructures

Yanyan Wang; Ruiying Zhang; Zhen Zhang; Bocang Qiu; Min Qian

doi:10.1117/12.3011080

1 November 2023 Broadband antireflection and light trapping for GaAs solar cells decorated with dielectric composite nanostructures

Yanyan Wang, Ruiying Zhang, Zhen Zhang, Bocang Qiu, Min Qian

Author Affiliations +

Proceedings Volume 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023); 129170T (2023) https://doi.org/10.1117/12.3011080
Event: 3rd International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 2023, Shanghai, China

Abstract

The dielectric composite nanostructures (DCN) composed of non-closely hexagonal packed SiN_x nanodomes and their underlying SiN_x single film were demonstrated, which aims for decorating single-junction GaAs solar cells to reduce their surface reflection. The broadband antireflection performance for this DCN was experimentally measured, with the average reflectivity of 3.11% in the spectrum range from 300 nm to 920 nm, which is attributed to the combination of multiple modes including Mie resonance scattering, guided-mode resonance, etc., and that was verified by the theoretically modelling using finite difference time domain (FDTD) method. The simulation results indicate that this DCN is capable of improving the performance of the GaAs solar cells in terms of broadband antireflection and highly efficient light trapping properties.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yanyan Wang, Ruiying Zhang, Zhen Zhang, Bocang Qiu, and Min Qian "Broadband antireflection and light trapping for GaAs solar cells decorated with dielectric composite nanostructures", Proc. SPIE 12917, International Conference on Precision Instruments and Optical Engineering (PIOE 2023), 129170T (1 November 2023); https://doi.org/10.1117/12.3011080

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KEYWORDS

Solar cells

Gallium arsenide

Nanostructures

Reflection

Antireflective coatings

Dielectrics

Composites

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