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Solar energy utilization with double-layer cascaded grating ...
In order to produce clean energy, a double-layer cascaded grating light-trapping structure and a triangular back-reflecting Ag layer were used to improve the …
Get PriceLight-trapping trick offers ultrathin solar cells with 28.2% high ...
3 · Researchers have developed a perovskite solar cell with a UV-protective checkerboard design, boosting efficiency and stability by 28.2%. ... such as grating structures, improve the optical path ...
Get PriceCombined front and back diffraction gratings for broad band light ...
The simulated short circuit current in a solar cell combining a front and a back grating structures with a 1.2 µm thick c-Si layer, together with the back electrode and TCO layers, is increased up to 30.3 mA/cm2, compared to 18.4 mA/cm2 for a reference stack, as simulated using the AM1.5G solar spectrum intensity distribution from 300 nm to ...
Get PricePhoton shifting, trapping enable 28.2% higher photocurrent in ...
3 · The team created checkerboard (CB) gratings with symmetry-property to make them suitable for integration as an LT structure into the solar cells and then applied an …
Get PriceOptimal wavelength scale diffraction gratings for light trapping in ...
Dielectric gratings are a promising method of achieving light trapping for thin crystalline silicon solar cells. In this paper, we systematically examine the potential performance of thin silicon solar cells with either silicon (Si) or titanium dioxide (TiO 2) gratings using numerical simulations.The square pyramid structure with silicon nitride …
Get PriceDouble grating high efficiency nanostructured silicon-based ultra …
The light capture capability of nanostructures is associated with the structure parameter like P, f, H (H defines the height of the nanostructure which is displayed as character H s or H b in the following) and sidewall profile [23], [34], [35].The relationships between Jph of solar cells and parameters of BMG for CDN, CCN and PBN are studied …
Get PriceAbsorption Efficiency Enhancement of Organic Solar Cells by …
The absorption of cascaded grating cells has been enhanced by 12.19%, and the average absorption efficiency at 300–800 nm is 87.91%. The performance has been significantly improved by the cascaded grating solar cells. In addition, the structure has maintained its superiority in angle analysis.
Get PriceAchieving a Wonderful Efficiency Enhancement in Ultra-thin Film ...
This article demonstrates a significant enhancement in the efficiency of an ultra-thin film perovskite solar cell. This has been achieved through the combination of a single-step grating (SSG) structure with metal nanoparticles. To investigate this phenomenon, a comparison is conducted between the proposed structure and …
Get PriceThe effect of different surface plasmon polariton shapes on thin …
The typical structure of a solar cell is shown in Fig. ... Meanwhile, the thin-film solar cell with the SPP grating achieves efficiency values of 14.06%, 14.43%, 14.47%, 14.67%, and 14.76% for the semicircle, trapezoidal, rectangular, scalene-triangle, and equilateral-triangle SPPs, respectively. The highest efficiency is thus obtained for the ...
Get PriceHigh absorptivity of perovskite solar cell enhanced by metal grating ...
Consumption of fossil fuel has led to serious environmental pollution, and an urgent demand for solar energy. Perovskite solar cell (PSC) is a device that converts solar energy into electricity. It is cost effective and power efficient, which has attracted much attention. However, PSC shows low absorptivity due to the limited thickness of the active …
Get PriceDiffraction‐Grated Perovskite Induced Highly Efficient Solar Cells ...
Constructing optical structures often can benefit from micro-nanophotonic imprinting. Here, a simple and facile strategy is developed to introduce a large area grating structure into the perovskite-active layer of a solar cell by utilizing commercial optical discs (CD-R and DVD-R) and achieve high photovoltaic performance.
Get PriceOptical properties of a grating-nanorod assembly structure for solar cells
The results demonstrate that an assembly structure incorporating two-dimensional silicon gratings and germanium nanorods applied to photovoltaic absorbers can greatly improve the absorptance and conversion efficiency compared to the gratings or nanowires in the 300-1100 nm wavelength region.
Get PriceResonant perovskite solar cells with extended band edge
The nanoimprinting method enables large-scale fabrication of resonant structures for solar-cell applications. Grating structures ca. 1 cm 2 in area (Fig. 2c, inset) can be successfully transferred ...
Get PriceAn Optimal Au Grating Structure for Light Absorption in …
Effect of different gold (Au) grating structures on light absorption in solar cell is investigated by finite elemental analysis using COMSOL multi physics-RF module.
Get PriceTheoretical analysis of improved efficiency of silicon-wafer solar ...
The efficiency of the textured-grating-structure solar cell with the optimal structure parameters is 27.27%, which is 9% larger than 25.01% of the optimal plane-structure one. The proposed solar cell can produce higher efficiency in a wide range of incident angle. And the average efficiency of the optimal TTG cell over 7:30–16:30 time of …
Get PriceOptimal Design of Silicon Solar Cells using Double Grating …
concept of (a-Si:H) solar cells along with photonic crystal[7], [8].Similar approaches have been studied for organic solar cells, showing higher absorption [9].Another design is using diffraction grating in thin-film solar cells. In fact, diffraction grating provides many capabilities to cells. Also, they can be used as
Get PriceMoth-eye Structured Polydimethylsiloxane Films for High …
3.1 Structure of Perovskite Solar Cells with Moth-eye PDMS Films. A representative schematic of a PSC with a moth-eye PDMS film is shown in Fig. 1a. The PSC was comprised of a glass/ITO electrode, a poly(bis(4-phenyl)-(2,4,6-trimethylphenyl)amine) (PTAA) hole transport layer, a perovskite active layer for photon …
Get PriceLight-trapping trick offers ultrathin solar cells with …
3 · The ultrathin solar cells exhibit a 28 percent boost in efficiency, reaching a projected power conversion efficiency (PCE) of 24.1 percent with only a 250 nm perovskite layer. Researchers ...
Get PriceOptical properties of a grating-nanorod assembly structure for solar cells
DOI: 10.1016/J.OPTCOM.2016.05.009 Corpus ID: 124487901; Optical properties of a grating-nanorod assembly structure for solar cells @article{Zhihao2016OpticalPO, title={Optical properties of a grating-nanorod assembly structure for solar cells}, author={Jiao Zhihao and Qiang Cheng and Jinlin Song and Mengting Si and Zixue Luo}, …
Get PriceResonant perovskite solar cells with extended band edge
The nanoimprinting method enables large-scale fabrication of resonant structures for solar-cell applications. Grating structures ca. 1 cm 2 in area (Fig. 2c, …
Get PriceHigh Performance Polymer Solar Cells Using Grating …
This work introduces a high-efficiency organic solar cell with grating nanostructure in both hole and electron transport layers and plasmonic gold nanoparticles (Au NPs) distributed on the zinc oxide …
Get PriceDiffraction grating structures in solar cells
By integrating grating structures into conventional solar cell designs, they have demonstrated short-circuit current density enhancements of 3.4 and 4.1 mA/cm/sup 2/ for rectangular and triangular 1D grating structures compared to planar controls. The effective path length enhancements due to these gratings were 2.2 and 1.7, respectively.
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