Hot-pressing transfer process is developed to fabricate a diffraction-grating (DG) perovskite layer to form a bifacial perovskite solar cell (PSC). The DG perovskite layer has advantages in improving...
Hot-pressing transfer process is developed to fabricate a diffraction-grating (DG) perovskite layer to form a bifacial perovskite solar cell (PSC). The DG perovskite layer has advantages in improving...
New Energy Sources WhatsAppSolar cells can harvest incident sunlight very efficiently by utilizing grating-based light trapping. As the working principle of such gratings strongly depends on the number as well as the ...
New Energy Sources WhatsAppA cosine light-trapping texture for thin-film silicon solar cells that can be directly formed by interference lithography, while the inverted pyramid needs more complicated processing. In this Letter, we present a cosine light-trapping texture for thin-film silicon solar cells. The surface texture was numerically demonstrated to exhibit …
New Energy Sources WhatsAppThrough the calculation of short-circuit current density, it was found that the short-circuit current density of bilayer cosine conformal grating crystalline silicon thin film solar cell …
New Energy Sources WhatsAppThe crystalline silicon ( $$mathrm{c}$$ c - $$mathrm{Si}$$ Si ) thin film solar cell with one-dimensional (1D) sinusoidal grating has been simulated to explore the absorption enhancement, by utilizing COMSOL Multiphysics Rf Module ( $$5.3mathrm{a}$$ 5.3 a ). The finite element analysis (FEA) is applied to optimize the geometrical parameter of 1D …
New Energy Sources WhatsApp(a) Absorptance spectra of the dual interface solar cell structure with optimal cosine metal grating(red) and sine metal grating(blue) compared with the absorptance spectra of referenced flat structure(black dash).
New Energy Sources WhatsApp"−cos" grating outperforms the other three morphologies for all investigated periods. For all four morphologies, the maximum ... LPC-Si solar cell stacks with a limited absorber thickness of 10 µm in order to take also effects from the solar cell back side into account. Further, the results observed numerically also
New Energy Sources WhatsAppSolar cells structural components that can be optimized are layers thickness [20,27], layers interface roughness and diffraction grating [23], type of materials used in the cell [18], and the ...
New Energy Sources WhatsAppIt was found that bilayer conformal grating structure has better absorption efficiency in full wavelength band and cosine grating has better light trapping and absorbing than …
New Energy Sources WhatsAppconcept 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
New Energy Sources WhatsAppThe cross-section view of proposed thin c-Si solar cell structure with dual interface gratings in one period is shown in Fig. 1 (a). As we mainly focus on presenting performance on absorption enhancement of hybrid gratings, one-dimensional grating structure is considered in this study and is schematically shown in Fig. 1 (b). The design …
New Energy Sources WhatsAppIndeed, now the research for the light trapping is focusing on nano-scale applications for thin film solar cells. It is possible to find many reviews and research articles in the literature for the utilization of nanowires [165–168], gratings [169–173], photonic [174,175] and plasmonic [176–178] nanostructures, random scattering surfaces for thin …
New Energy Sources WhatsAppSemantic Scholar extracted view of "Optical Absorption of Cosine Grating Silicon Thin Film Solar Cell" by Chen Ke et al.
New Energy Sources WhatsAppA crystalline silicon thin-film solar cell with a three-layer sinusoidal grating structure is studied. The structure has a double-layer antireflection layer, and the three-layer grating is located in the double …
New Energy Sources WhatsAppThrough the calculation of short-circuit current density, it was found that the short-circuit current density of bilayer cosine conformal grating crystalline silicon thin film solar cell increased ...
New Energy Sources WhatsAppSolar energy is an endless, clean, renewable, and accessible source, which is known as alternative energy in the world. Even though, the Sun delivers more light power but thin film solar cells (SCs) have low absorption rates due to less absorption of the solar spectrum [1, 2].Most of the SCs used in the world are made of mineral materials …
New Energy Sources WhatsAppA crystalline silicon thin-film solar cell with a three-layer sinusoidal grating structure is studied. The structure has a double-layer antireflection layer, and the three-layer grating is located ...
New Energy Sources WhatsAppWe investigate both optical and electrical properties of organic solar cells (OSCs) incorporating 2D periodic metallic back grating as an anode. Using a unified finite-difference approach, the multiphysics modeling framework for plasmonic OSCs is established to seamlessly connect the photon absorpti …
New Energy Sources WhatsAppIn this study, a grating with a Gaussian distribution was used to increase the absorption of light by amorphous silicon thin film solar cells. A grating is an effective structure for trapping light inside the active layer of a cell, so a two-dimensional Gaussian grating with a rectangular structure was placed on the front surface of the cell.
New Energy Sources WhatsAppOptimized parameters, including period, duty ratio, and the angle of unit cell and the shape of the profile, namely, tented, triangular, and concave type, are used to achieve the …
New Energy Sources WhatsAppthe solar cells on polyimide are peeled off the silicon support substrates, resulting in flexible devices containing nanostructures for light absorption enhancement. Since the solar cells
New Energy Sources WhatsAppThe photovoltaic conversion efficiency of the solar cell with triangular profile can be increased by 58.21%, 42.45%, and 20.38%, compared with those with flat surface, equal …
New Energy Sources WhatsAppComputer simulation of grating solar cells is used to compare the performance of this type of device with more conventional cell geometries. Criteria for the grating design and their dependence upon substrate properties are discussed. The nature of the back contact to the cell is shown to play an important role in determining the cell …
New Energy Sources WhatsAppOur results demonstrate that nanotextures can be applied to solution-processed perovskite solar cells and pave the way to increased power conversion efficiencies by light management not only in...
New Energy Sources WhatsAppFor their impressive electrical and optical characteristics, perovskite solar cells (PSCs) have been presented to the nanostructured photovoltaics field as one of the encouraging replacements of both conventional silicon based solar cells (SCs) and thin film SCs. In this paper, we present a study of the performance of CH3NH3PbI3 PSC, as one of the prime …
New Energy Sources WhatsAppThe studied results found it can not only reduce the thickness of the solar cell but also improve the light absorbed efficiency by using grating as light trapping …
New Energy Sources WhatsAppWe perform a systematic analysis of enhanced short-circuit current density (Jsc) in organic solar cells (OSCs) where one metallic electrode is optically thick and the other consists of a two-dimensional metallic crossed grating. By examining a model device representative of such surface plasmon (SP)-enhanced OSCs by the Fourier modal and finite-element …
New Energy Sources WhatsAppPhoton management strategies are crucial to improve the efficiency of perovskite thin film (PTF) solar cell. In this work, a nano-cone (NC) based 2D photonic nanostructure is designed and ...
New Energy Sources WhatsAppTo effectively improve the power conversion efficiency (PCE) of Si solar cells, vibration-assisted UV nanoimprint lithography based on piezoelectric driving is …
New Energy Sources WhatsAppA refractive‐index grating is embedded in the bottom of the TiO 2 absorption layer of a dye‐sensitized solar cell via imprinting and subsequent TiCl 4 …
New Energy Sources WhatsAppComputer simulation of grating solar cells is used to compare the performance of this type of device with more conventional cell geometries. Criteria for the grating design and their dependence upon substrate properties are discussed. The nature of the back contact to the cell is shown to play an important role in determining the cell efficiency. In order for the …
New Energy Sources WhatsAppmolecule organic solar cells using trapezoid gratings ... grating height may reduce the optical absorption and electrical properties of the device.[17] To further understand the reason for the enhancement, the TE and TM polarized optical absorp- ... orgL cos(y)=ml, (1) where n
New Energy Sources WhatsAppThe grating pattern obtained using a commercial compact disk as the hard mold can modulate light transport by enhancing the light transmittance and, thus, light absorption in perovskite solar cells. The grating pattern-induced light trapping can significantly increase the short-circuit current density and PCE by 4.8% and 7.9%, …
New Energy Sources WhatsAppDOI: 10.1016/j.renene.2022.04.063 Corpus ID: 248142250; Radiative cooling of solar cells with micro-grating photonic cooler @article{Zhao2022RadiativeCO, title={Radiative cooling of solar cells with micro-grating photonic cooler}, author={Bin Zhao and Kegui Lu and Mingke Hu and Jie Liu and Lijun Wu and Chengfeng Xu and Qingdong Xuan and Gang …
New Energy Sources WhatsAppThe absorption of an amorphous silicon thin film with periodic gratings formed by an array of nanowires with varied heights and different profile shapes is studied. Optimized parameters, including period, duty ratio, and the angle of unit cell and the shape of the profile, namely, tented, triangular, and concave type, are used to achieve the optimal results of light …
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