A Surface Design for Enhancement of Light Trapping Efficiencies in Thin Film Silicon Solar Cells

Sun, Cheng; Wang, Zhixiao; Wang, Xiaoqiu; Liu, Jie

doi:10.1007/s11468-015-0135-8

Cited by 9 publications

(5 citation statements)

References 31 publications

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“…By doing so, in the solar spectrum from 800–1200 nm, 50% of transmission losses were minimized. C. Sun et al [ 11 ] suggested another design in which the back surface was textured with blazed grating to overcome the issue of transmission losses in the visible range in thin-film solar cells. This texturing solved the issue of transmission losses yet raised a recombination issue, which eventually decreased the overall efficiency.…”

Section: Nanoparticle Material Size and Shape Effectsmentioning

confidence: 99%

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Research Progress of Plasmonic Nanostructure-Enhanced Photovoltaic Solar Cells

et al. 2022

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Enhancement of the electromagnetic properties of metallic nanostructures constitute an extensive research field related to plasmonics. The latter term is derived from plasmons, which are quanta corresponding to longitudinal waves that are propagating in matter by the collective motion of electrons. Plasmonics are increasingly finding wide application in sensing, microscopy, optical communications, biophotonics, and light trapping enhancement for solar energy conversion. Although the plasmonics field has relatively a short history of development, it has led to substantial advancement in enhancing the absorption of the solar spectrum and charge carrier separation efficiency. Recently, huge developments have been made in understanding the basic parameters and mechanisms governing the application of plasmonics, including the effects of nanoparticles’ size, arrangement, and geometry and how all these factors impact the dielectric field in the surrounding medium of the plasmons. This review article emphasizes recent developments, fundamentals, and fabrication techniques for plasmonic nanostructures while investigating their thermal effects and detailing light-trapping enhancement mechanisms. The mismatch effect of the front and back light grating for optimum light trapping is also discussed. Different arrangements of plasmonic nanostructures in photovoltaics for efficiency enhancement, plasmonics’ limitations, and modeling performance are also deeply explored.

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Section: Nanoparticle Material Size and Shape Effectsmentioning

confidence: 99%

“…To enhance conversion efficiency and decrease cost, a nanophotonic approach for light entrapment has been explored. Different techniques have been applied to enhance light absorption in the active layer [ 9 , 10 , 11 , 12 ]. Usually, absorption of sunlight can be enhanced by increasing the thickness of the active layer.…”

Section: Introductionmentioning

confidence: 99%

Research Progress of Plasmonic Nanostructure-Enhanced Photovoltaic Solar Cells

et al. 2022

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“…These devices can be tuned for their use in different fields based on their topographic parameters, such as the duty cycle or the asymmetric tilt angle of the grooves, known as the blaze angle. Some applications of this technology include light trapping [ 6 , 7 ], X-ray reflecting gratings [ 8 , 9 ], spectrometry [ 10 , 11 ], and image projection [ 12 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

Single-Step Fabrication of Highly Tunable Blazed Gratings Using Triangular-Shaped Femtosecond Laser Pulses

Fantova,

Rodríguez,

Omeñaca

et al. 2024

Micromachines

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Blazed gratings are periodic surface structures of great interest for applications such as friction control, light trapping, and spectrometry. While different laser processing methods have been explored to produce these elements, they have not yet surpassed conventional surface manufacturing techniques, often based on lithography processes or mechanical ruling. This work introduces a new approach based on the combination of ultrashort pulses and triangular beam shaping, which enables the generation of asymmetrical grooves in a single step. The main advantage of this strategy is that by simply changing the laser processing direction we can induce a significant modification in the ratio of asymmetry between the sidewall angles of the machined channels. The paper includes a comprehensive study, which has been supported by statistical tools, of the effect of this and other experimental parameters on the morphology of grooves machined on stainless steel. As a result, we achieved a wide range of geometries, with asymmetry ratios spanning from 1 to 5 and channel depths between 3 and 15 µm. Furthermore, we demonstrate the validity of the approach through the successful manufacture of blazed gratings of various slopes. The results reflect the versatility and cost-efficiency of the proposed fabrication strategy, and thus its potential to streamline the production of sawtooth gratings and other devices that are based on asymmetrical features.

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“…However, the surface recombination rate increases with a rough surface and such solar cells have low material quality, resulting in degradation. A method for achieving light trapping in thin film solar cells is the use of metallic nanoparticles (NPs) [1][2][3][4][5][6][7][8][9][10][11][12][13]. Metallic NPs exhibit the phenomenon of surface plasmon resonance when illuminated with light of suitable frequency [14].…”

Section: Introductionmentioning

confidence: 99%

Absorption enhancement in thin film solar cells with bilayer silver nanoparticle arrays

Zhang

Liu

et al. 2018

J. Phys. Commun.

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In this paper, a systematic design and analysis of thin film crystalline silicon solar cells decorated with bilayer silver nanoparticles with different particle dimensions is presented. The particles are located on the rear of the solar cell. Using numerical simulations, we showed that the light absorption is enhanced when the particle radii of the upper layer Ag NPs is less than that of the lower. Moreover, our proposed structure showed a 9.97% increase in short-circuit current density and a 9.94% increase in intergraded quantum efficiency across the solar spectrum compared with the optimized counterpart decorated with uniform Ag NPs.

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A Surface Design for Enhancement of Light Trapping Efficiencies in Thin Film Silicon Solar Cells

Cited by 9 publications

References 31 publications

Research Progress of Plasmonic Nanostructure-Enhanced Photovoltaic Solar Cells

Research Progress of Plasmonic Nanostructure-Enhanced Photovoltaic Solar Cells

Single-Step Fabrication of Highly Tunable Blazed Gratings Using Triangular-Shaped Femtosecond Laser Pulses

Absorption enhancement in thin film solar cells with bilayer silver nanoparticle arrays

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