Diffraction grating structure in solar cells
In particular, for a 0.5‐μm‐thick a‐SiH x solar cell, optimal texturing of an Ag substrate to form a one‐dimensional reflective grating can yield a 2‐mA/cm<sup>2</sup> …
Light trapping gratings for solar cells: an analytical period ...
PDF | Solar cells can harvest incident sunlight very efficiently by utilizing grating-based light trapping. As the working principle of such gratings... | Find, read and cite all the …
High temperature dependent absorber-emitter pair nanostructure ...
One of the metamaterial concepts is the integration of selective broad-band thermal emitters with broad-band solar absorption, which is the foundation of technology that …
The fabrication of anti-reflection grating structures film for solar ...
To effectively improve the power conversion efficiency (PCE) of Si solar cells, vibration-assisted UV nanoimprint lithography based on piezoelectric driving is proposed to …
Light trapping in thin silicon solar cells: A review on fundamentals ...
1 INTRODUCTION. Forty years after Eli Yablonovitch submitted his seminal work on the statistics of light trapping in silicon, 1 the topic has remained on the forefront of solar …
Engineering gratings for light trapping in photovoltaics: The …
period grating (a = 1800 nm) shows 21% higher absorption than the slab, the optimized wavelength-scale grating (a = 400 nm) shows 57% enhancement, while the supercell (a = …
Diffraction grating structures in solar cells
Abstract: Sub-wavelength periodic texturing (gratings) of crystalline-silicon (c-Si) surfaces for solar cell applications can be designed for maximizing optical absorption in thin c …
Diffraction 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 …
Enhance and balance AVT and PCE of the semi-transparent …
In this case, a semi-transparent perovskite solar cell with grating-based photonic crystals is presented in this study. It is based on the light polarization-selective absorption …
Combined front and back diffraction gratings for broad band light ...
In this paper, we present the integration of combined front and back 1D and 2D diffraction gratings with different periods, within thin film photovoltaic solar cells based on crystalline silicon layers. …
Plasmonic-based Solar Cell: Geometrical Optimization of 1D
A triangular grating essentially produces a sharper resonance peak than other grating profiles. A plasmonic solar cell (PSC) with photovoltaic operation supports the …
Diffraction‐Grated Perovskite Induced Highly Efficient Solar Cells ...
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 …
Combined nano and micro structuring for enhanced radiative cooling …
To achieve enhanced mid-IR emissivity, our grating is imprinted in soda-lime glass, a common encapsulant material in solar cell applications, with permittivity as given in …
Improved optical properties of perovskite solar cells by
The J sc of the flat perovskite solar cell reference (Fig. 1f) with neither the embedded Ag nanoparticles nor the ITO AR grating is calculated to be ~ 20.02 mA/cm 2, …
Engineering gratings for light trapping in photovoltaics: The …
The question of the optimal surface structure for light trapping is widely debated in thin-film solar cell research. Here we propose a generic design approach that can tailor the …
Achieving 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 …
Role of TiO2 in Highly Efficient Solar Cells | SpringerLink
Silicon-based solar cells are widely used in photovoltaic (PV) technology. Nanosized materials exhibit a much greater surface area for a given mass or volume …
Radiative cooling of solar cells with micro-grating photonic cooler
The micro-grating structure has a periodicity of 7 μm, a duty ratio of 0.2, and a vertical depth of 10 μm. The proposed silica grating not only improves the thermal emissivity of …
Double grating high efficiency nanostructured silicon-based ultra …
Numerical results reveal that the optimal bottom metal grating can enhance the absorption capacity of ultra-thin solar cell at 0.5 µm–1.1 µm waveband with a very small …
Radiative cooling of solar cells with micro-grating photonic cooler
However, the solar cell with the grating silica added operates at 37.5 °C above ambient temperature under 800 W m −2, showing that the grating silica can passively cool the …