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Open AccessArticle

Enhancing Output Power of Textured Silicon Solar Cells by Embedding Indium Plasmonic Nanoparticles in Layers within Antireflective Coating

1
Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
2
Realtek Semiconductor Corp., No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
*
Author to whom correspondence should be addressed.
Nanomaterials 2018, 8(12), 1003; https://doi.org/10.3390/nano8121003
Received: 15 November 2018 / Revised: 30 November 2018 / Accepted: 30 November 2018 / Published: 4 December 2018
(This article belongs to the Special Issue Optoelectronic Nanodevices)
In this study, we sought to enhance the output power and conversion efficiency of textured silicon solar cells by layering two-dimensional indium nanoparticles (In NPs) within a double-layer (SiNx/SiO2) antireflective coating (ARC) to induce plasmonic forward scattering. The plasmonic effects were characterized using Raman scattering, absorbance spectra, optical reflectance, and external quantum efficiency. We compared the optical and electrical performance of cells with and without single layers and double layers of In NPs. The conversion efficiency of the cell with a double layer of In NPs (16.97%) was higher than that of the cell with a single layer of In NPs (16.61%) and greatly exceeded that of the cell without In NPs (16.16%). We also conducted a comprehensive study on the light-trapping performance of the textured silicon solar cells with and without layers of In NPs within the double layer of ARC at angles from 0° to 75°. The total electrical output power of cells under air mass (AM) 1.5 G illumination was calculated. The application of a double layer of In NPs enabled an impressive 53.42% improvement in electrical output power (compared to the cell without NPs) thanks to the effects of plasmonic forward scattering. View Full-Text
Keywords: indium nanoparticles (In NPs); textured silicon solar cells; antireflective coating (ARC); plasmonic forward scattering indium nanoparticles (In NPs); textured silicon solar cells; antireflective coating (ARC); plasmonic forward scattering
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MDPI and ACS Style

Ho, W.-J.; Liu, J.-J.; Yang, Y.-C.; Ho, C.-H. Enhancing Output Power of Textured Silicon Solar Cells by Embedding Indium Plasmonic Nanoparticles in Layers within Antireflective Coating. Nanomaterials 2018, 8, 1003.

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