Introduction to light trapping in solar cell and photodetector devices pdf

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introduction to light trapping in solar cell and photodetector devices pdf

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Plasmonics can be used to improve absorption in optoelectronic devices and has been intensively studied for solar cells and photodetectors. Graphene has recently emerged as a powerful plasmonic material.

This site contains links to the solar cell papers published by Prof. Alam's group. The papers have been organized in a way that makes self-study of these papers easier. A set of resources are available at the bottom of the page.

Introduction to Light Trapping in Solar Cell and Photo-detector Devices

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Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. A three-dimensional unified electromagnetic-electronic model is developed in conjunction with a light trapping scheme in order to predict and maximize combined electron-photon harvesting in ultrathin crystalline silicon solar cells. The comparison between a bare and light trapping cell shows significant enhancement in photon absorption and electron collection.

Dielectric metamaterials with high refractive indices may have an incredible capability to manipulate the phase, amplitude, and polarization of the incident light. Combining the high refractive index and the excellent electrical characteristics of the hybrid organic-inorganic perovskites HOIPs , for the first time we experimentally demonstrate that metamaterial made of HOIPs can trap visible light and realize effective photon-to-electron conversion. The optical absorption is significantly enhanced at the visible regime compared to that of the flat HOIP film, which originates from the excited Mie resonances and transverse cavity modes with inhibited interface reflection. Our data point to the potential application of HOIP metamaterials for high-efficiency light trapping and photon-to-electron conversion. Mie resonances in dielectric metamaterials yield strong electric and magnetic resonances and allow substantial control over the light scattering amplitude and phase [ 1 ], [ 2 ], [ 3 ]. Similar to that in the metallic building blocks in plasmonic metamaterials [ 4 ], [ 5 ], [ 6 ], [ 7 ], the scattering properties of the dielectric resonators can be manipulated by varying the size, geometry, orientation, and material parameters of the resonators [ 8 ].

Nanophotonics silicon solar cells: status and future challenges

New Approaches to Light Trapping in Solar Cell Devices discusses in detail the use of photonic and plasmonic effects for light trapping in solar cells. It compares and contrasts texturing, the current method of light-trapping design in solar cells, with emerging approaches employing photonic and plasmonic phenomena. These new light trapping methods reduce the amount of absorber required in a solar cell, promising significant cost reduction and efficiency. This book highlights potential advantages of photonics and plasmonics and describes design optimization using computer modeling of these approaches. Its discussion of ultimate efficiency possibilities in solar cells is grounded in a review of the Shockley-Queisser analysis; this includes an in-depth examination of recent analyses building on that seminal work. We are always looking for ways to improve customer experience on Elsevier. We would like to ask you for a moment of your time to fill in a short questionnaire, at the end of your visit.


Introduction to Light Trapping in Solar Cell and Photo-detector Devices - 1st Edition -. View on ScienceDirect DRM-free (Mobi, PDF, EPub). × DRM-Free.


Nanostructures for Light Trapping in Thin Film Solar Cells

A solar cell , or photovoltaic cell , is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect , which is a physical and chemical phenomenon. Individual solar cell devices are often the electrical building blocks of photovoltaic modules , known colloquially as solar panels. The common single junction silicon solar cell can produce a maximum open-circuit voltage of approximately 0. Solar cells are described as being photovoltaic , irrespective of whether the source is sunlight or an artificial light.

Solar cell

Metrics details. Light manipulation has drawn great attention in photodetectors towards the specific applications with broadband or spectra-selective enhancement in photo-responsivity or conversion efficiency. In this work, a broadband light regulation was realized in photodetectors with the improved spectra-selective photo-responsivity by the optimally fabricated dielectric microcavity arrays MCAs on the top of devices. Both experimental and theoretical results reveal that the light absorption enhancement in the cavities is responsible for the improved sensitivity in the detectors, which originated from the light confinement of the whispering-gallery-mode WGM resonances and the subsequent photon coupling into active layer through the leaky modes of resonances. In addition, the absorption enhancements in specific wavelength regions were controllably accomplished by manipulating the resonance properties through varying the effective optical length of the cavities. This work well demonstrated that the leaky modes of WGM resonant dielectric cavity arrays can effectively improve the light trapping and thus responsivity in broadband or selective spectra for photodetection and will enable future exploration of their applications in other photoelectric conversion devices.

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COMMENT 4

  • Thin film solar cells are one of the important candidates utilized to reduce the cost of photovoltaic production by minimizing the usage of active materials. Millversancla - 03.12.2020 at 04:01
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  • Light management plays an important role in high-performance solar cells. Siogalapil - 07.12.2020 at 20:30
  • Request PDF | Introduction to Light Trapping in Solar Cell and Photo-detector Devices | New Approaches to Light Trapping in Solar Cell Devices discusses in. Exborpailas - 08.12.2020 at 19:12

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