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Light Trapping in Thin Film Crystalline Silicon Solar Cells

LIGHT TRAPPING IN THIN FILM CRYSTALLINE SILICON SOLAR CELLS . by JAVANEH BOROUMAND AZAD B.S. Shahid Beheshti University, 2009 M.S. University of Central Florida, 2013 A dissertation submitted in partial fulfillments of the requirements for the degree of Doctor of Philosophy in the Department of Physics, in the College of Sciences

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Enhanced light absorption in thin film silicon solar cells

nanostructure(FSPN) for light trapping in thin film silicon solar cells. By globally optimizing the Fourier coefficients across entire silicon absorption spectrum, we obtained a FSPN structure with short circuit current density greater than 24 mA/cm2 for a 1μm real silicon absorption layer. The

Plasmonic Light Trapping in Thin-film Silicon Solar Cells

Plasmonic metal nanoparticles are of great interest for light trapping in thin-film silicon solar cells. In this Letter, we demonstrate experimentally that a back reflector with plasmonic Ag nanoparticles can provide light-trapping performance comparable to state-of-the-art random textures in n-i-p amorphous silicon solar cells. This conclusion is based on the comparison to high performance n

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Enhanced Light Trapping of Thin Film Si Solar Cell in

In efforts to achieve higher efficiency of thin film Si solar cell, light trapping is one of the most important strategies in designing the cell structure. From the past studies, it is well known that TCO with a higher haze can exhibit better light trapping characteristics for a superstrate type thin film Si solar cell, while such TCO could

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Light-trapping design for thin-film silicon-perovskite

Light-trapping optimization in wet-etched silicon photonic crystal solar cells J. Appl. Phys. 118, 023103 (2015); 10.1063/1.4926548 Response to “Comment on ‘Towards high efficiency thin-film crystalline silicon solar cells: The roles of light trapping and non-radiative recombinations’” [J.

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Advanced light-trapping effect of thin-film solar cell

A thin-film solar cell with dual photonic crystals has been proposed, which shows an advanced light-trapping effect and superior performance in ultimate conversion efficiency (UCE). The shapes of nanocones have been optimized and discussed in detail by self-definition.

Light-trapping schemes for silicon thin-film solar cells

We systematically investigate the light-trapping schemes of crystalline silicon thin-film solar cells (TFSCs) for three common grating layouts via one-dimensional super-quadratic subwavelength gratings. The effects of antireflective coating, absorber layer thickness, and grating geometry on the light-trapping performance of TFSCs are numerically studied using the finite-difference time-domain

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THIN-FILM SILICON SOLAR CELLS

4.11.2 Light trapping in thin-film silicon solar cells 221 4.11.3 Limits for the efficiency r\ in pin-type thin-film silicon solar cells 225 4.12 Summary and conclusions 229 4.12 References 231 5 TANDEM AND MULTI-JUNCTION SOLAR CELLS 237 5.1 Introduction, general concept 237 5.2 Principle of the two-terminal tandem cell 240

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Nanostructures for Light Trapping in Thin Film Solar Cells

Therefore, nanostructures are needed in order to apply light trapping in thin films and emerging low-cost solar cells. The use of nanoscale surface structures for improving light absorption of thin film solar cells is a promising method compared with the traditional micro-sized surface texturing for crystalline silicon solar cells [28,29].

OSA | Light trapping in thin-film silicon solar cells with

C. Haase and H. Stiebig, “Thin-film silicon solar cells with efficient periodic light trapping texture,” Appl. Phys. Lett. 91(6), 061116 ( 2007). [Crossref] A. Lin and J. Phillips, “Optimization of random diffraction gratings in thin-film solar cells using genetic algorithms,” Sol. Energy Mater.

Light trapping regimes in thin-film silicon solar cells

R. Dewan and D. Knipp, “Light trapping in thin-film silicon solar cells with integrated diffraction grating,” J. Appl. Phys. 106, 074901 (2009). [Crossref] C. Henry, “Limiting efficiencies of ideal single and multiple energy gap terrestrial solar cells,” J. App. Phys. 51, 4494–4500 (1980). [Crossref]

Broadband light trapping in thin film solar cells with

Mar 11, 2015· Bozzola A, Kowalczewski P and Andreani L C 2014 Towards high efficiency thin-film crystalline silicon solar cells: the roles of light trapping and non-radiative recombinations J. Appl. Phys. 115 094501. Crossref Google Scholar

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Light trapping in thin film silicon solar cells: an assessment

We present an approach to estimating the light-trapping of thin film silicon solar cells by comparing the measured quantum efficiency spectrum and the theoretical absorptance spectrum based on ideal diffractive light scattering. The ideal diffractive absorptance enhancement is about 50 in silicon-based cells.

Two-dimensional high efficiency thin-film silicon solar

Aug 22, 2014· Introducing light trapping structures into thin-film solar cells has the potential to enhance their solar energy harvesting as well as the performance of the cells

[PDF]

Light Trapping in Thin Film Crystalline Silicon Solar Cells

LIGHT TRAPPING IN THIN FILM CRYSTALLINE SILICON SOLAR CELLS . by JAVANEH BOROUMAND AZAD B.S. Shahid Beheshti University, 2009 M.S. University of Central Florida, 2013 A dissertation submitted in partial fulfillments of the requirements for the degree of Doctor of Philosophy in the Department of Physics, in the College of Sciences

Nanostructures for Light Trapping in Thin Film Solar Cells

The most widely recognized approaches for light trapping in thin film solar cells can be listed as periodic grating structures [32,33,34,35], photonic crystal structures [36,37,38,39], nanowires [40,41,42], random scattering surfaces [43,44], and plasmonic structures [45,46,47].

Enhanced light trapping in thin-film solar cells

There are limited options to improve light trapping in thin-film silicon solar cells. With a thickness of a few microns or less, thin-film solar cells do not support traditional light-trapping techniques, such as the surface texturing extensively used in wafer-based silicon solar cells (where micron-sized pyramids are etched on the front

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Light Trapping in Thin Film Crystalline Silicon Solar Cells

A 3 µm thick light trapping solar cell is modeled in order to predict and maximize combined electron-photon harvesting in ultrathin crystalline silicon solar cells. It is shown that the higher charge carrier generation and collection in this design compensates the absorption and recombination losses and ultimately results in an increase in

Disorder Improves Light Absorption in Thin Film Silicon

We present a systematic simulation study on the impact of disorder in thin film silicon solar cells with hybrid light trapping structure. For the periodical structures introducing certain randomness in some parameters, the nanophotonic light trapping effect is demonstrated to be superior to their periodic counterparts. The nanophotonic light trapping effect can be associated with the increased

[PDF]

Light Trapping in Thin Film Crystalline Silicon Solar Cells

LIGHT TRAPPING IN THIN FILM CRYSTALLINE SILICON SOLAR CELLS . by JAVANEH BOROUMAND AZAD B.S. Shahid Beheshti University, 2009 M.S. University of Central Florida, 2013 A dissertation submitted in partial fulfillments of the requirements for the degree of Doctor of Philosophy in the Department of Physics, in the College of Sciences

Light trapping in thin-film solar cells | Result In Brief

Light trapping in thin-film solar cells. Solar cell technology has matured in the process of decreasing materials usage and cost while increasing energy conversion efficiency. Enhancing the light-trapping capability of cells promises to do both.

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Light trapping regimes in thin-film silicon solar cells

R. Dewan and D. Knipp, “Light trapping in thin-film silicon solar cells with integrated diffraction grating,” J. Appl. Phys. 106, 074901 (2009). [Crossref] C. Henry, “Limiting efficiencies of ideal single and multiple energy gap terrestrial solar cells,” J. App. Phys. 51, 4494–4500 (1980). [Crossref]

The importance of light trapping in thin-film solar cells

A. Bozzola, M. Liscidini, and L. C. Andreani, Photonic light-trapping versus Lambertian limits in thin film silicon solar cells with 1D and 2D periodic patterns, Opt. Express 20 (S2), pp. A224

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THIN-FILM SILICON SOLAR CELLS

4.11.2 Light trapping in thin-film silicon solar cells 221 4.11.3 Limits for the efficiency r\ in pin-type thin-film silicon solar cells 225 4.12 Summary and conclusions 229 4.12 References 231 5 TANDEM AND MULTI-JUNCTION SOLAR CELLS 237 5.1 Introduction, general concept 237 5.2 Principle of the two-terminal tandem cell 240

The importance of light trapping in thin-film solar cells

A. Bozzola, M. Liscidini, and L. C. Andreani, Photonic light-trapping versus Lambertian limits in thin film silicon solar cells with 1D and 2D periodic patterns, Opt. Express 20 (S2), pp. A224

Nanoparticle‐enhanced light trapping in thin‐film silicon

A systematic investigation of the nanoparticle‐enhanced light trapping in thin‐film silicon solar cells is reported. The nanoparticles are fabricated by annealing a thin Ag film on the cell surface.

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(PDF) Enhanced light trapping in thin-film solar cells

Light trapping is even more important for microcrystalline Si solar cells. We have fabricated thin film nip Si solar cells with sputtered Ag/ZnO back contacts on embossed barrier layers on steel foil.

Disorder Improves Light Absorption in Thin Film Silicon

We present a systematic simulation study on the impact of disorder in thin film silicon solar cells with hybrid light trapping structure. For the periodical structures introducing certain randomness in some parameters, the nanophotonic light trapping effect is demonstrated to be superior to their periodic counterparts. The nanophotonic light trapping effect can be associated with the increased

Polycrystalline Silicon Thin-film Solar cells with

Introduction. Light-trapping in silicon solar cells is commonly achieved via light scattering at textured interfaces. Scattered light travels through a cell at oblique angles for a longer distance and when such angles exceed the critical angle at the cell interfaces the light is permanently trapped in the cell by total internal reflection (Animation 1: Light-trapping).

Effective Light Trapping in Thin Film Silicon Solar Cells

For thin film silicon-based solar cells, effective light trapping at a broad range of wavelengths (400-1100 nm) is necessary. Normally, etching is only carried out with TCOs, such as SnO2:F and impurity doped ZnO, to form nano-sized craters in the surface morphology to confer a light trapping effect.

Two-dimensional high efficiency thin-film silicon solar

Aug 22, 2014· Introducing light trapping structures into thin-film solar cells has the potential to enhance their solar energy harvesting as well as the performance of the cells

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Light-trapping design for thin-film silicon-perovskite

Sep 13, 2016· Using finite-difference time-domain simulations, we investigate the optical properties of tandem silicon/perovskite solar cells with a photonic crystal architecture, consisting of a square-lattice array of inverted pyramids with a center-to-center spacing of 2.5 μm. We demonstrate that near-perfect light-trapping and absorption can be achieved over the 300–1100 nm wavelength range with this

Light Trapping in Silicon Nanowire Solar Cells | Nano

Thin-film structures can reduce the cost of solar power by using inexpensive substrates and a lower quantity and quality of semiconductor material. However, the resulting short optical path length and minority carrier diffusion length necessitates either a high absorption coefficient or excellent light trapping. Semiconducting nanowire arrays have already been shown to have low reflective

Effective Light Trapping in Thin Film Silicon Solar Cells

For thin film silicon-based solar cells, effective light trapping at a broad range of wavelengths (400-1100 nm) is necessary. Normally, etching is only carried out with TCOs, such as SnO2:F and impurity doped ZnO, to form nano-sized craters in the surface morphology to confer a light trapping effect.

Light trapping in thin-film solar cells | Result In Brief

Light trapping in thin-film solar cells. Solar cell technology has matured in the process of decreasing materials usage and cost while increasing energy conversion efficiency. Enhancing the light-trapping capability of cells promises to do both.

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Enhanced light trapping in thin-film solar cells

There are limited options to improve light trapping in thin-film silicon solar cells. With a thickness of a few microns or less, thin-film solar cells do not support traditional light-trapping techniques, such as the surface texturing extensively used in wafer-based silicon solar cells (where micron-sized pyramids are etched on the front