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Solar Cells and Light Management

Solar Cells and Light Management Book
Author : Francesco Enrichi,Giancarlo Righini
Publisher : Elsevier
Release : 2019-10-29
ISBN : 0081028733
Language : En, Es, Fr & De

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Book Description :

Solar Cells and Light Management: Materials, Strategies and Sustainability provides an extensive review on the latest advances in PV materials, along with light management strategies for better exploiting the solar spectrum. Following a brief review of the current status of solar cells, the book discusses different concepts, principles and technologies for solar devices, starting with standard silicon cells and then covering organic-hybrid, DSSC, perovskite, quantum dots and nanostructured oxide solar cells. Other sections focus on light manipulation and spectral modification, materials for spectral conversion, and environmental and sustainably considerations. An emergy analysis, which is an extension of the Life Cycle Assessment methodology, is applied to the study of solar PV systems, thus allowing for effective integrated indicators. Provides a comprehensive picture of light management strategies Features the most recent advances in the field, including novel materials and advanced solar cell technologies Presents a resource that is applicable to both new or experienced researchers in the field Contains a section on environmental and sustainability issues

Light Management in Thin film Silicon Solar Cells

Light Management in Thin film Silicon Solar Cells Book
Author : Olindo Isabella
Publisher : Unknown
Release : 2013
ISBN : 9789462032798
Language : En, Es, Fr & De

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Book Description :

Download Light Management in Thin film Silicon Solar Cells book written by Olindo Isabella, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Light Management by Intermediate Reflectors in Silicon based Tandem Solar Cells

Light Management by Intermediate Reflectors in Silicon based Tandem Solar Cells Book
Author : André Hoffmann
Publisher : Unknown
Release : 2017
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Light Management by Intermediate Reflectors in Silicon based Tandem Solar Cells book written by André Hoffmann, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Photon Management in Solar Cells

Photon Management in Solar Cells Book
Author : Ralf B. Wehrspohn,Uwe Rau,Andreas Gombert
Publisher : John Wiley & Sons
Release : 2016-03-09
ISBN : 3527665692
Language : En, Es, Fr & De

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Book Description :

Written by renowned experts in the field of photon management in solar cells, this one-stop reference gives an introduction to the physics of light management in solar cells, and discusses the different concepts and methods of applying photon management. The authors cover the physics, principles, concepts, technologies, and methods used, explaining how to increase the efficiency of solar cells by splitting or modifying the solar spectrum before they absorb the sunlight. In so doing, they present novel concepts and materials allowing for the cheaper, more flexible manufacture of solar cells and systems. For educational purposes, the authors have split the reasons for photon management into spatial and spectral light management. Bridging the gap between the photonics and the photovoltaics communities, this is an invaluable reference for materials scientists, physicists in industry, experimental physicists, lecturers in physics, Ph.D. students in physics and material sciences, engineers in power technology, applied and surface physicists.

Advanced Micro and Nanomaterials for Photovoltaics

Advanced Micro  and Nanomaterials for Photovoltaics Book
Author : Anonim
Publisher : Elsevier
Release : 2019-05-25
ISBN : 0128145021
Language : En, Es, Fr & De

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Book Description :

Nanomaterials are becoming increasingly important photovoltaic technologies from absorbers to contacts. This book is dedicated to describing the novel materials and technologies for photovoltaics that derive from these new and novel approaches in solar technologies. We have collected a set of renowned experts in their respective fields as authors and their expertise covers a broad set of areas including novel oxides, quantum dots, CZTS and organic solar cells, as well as light management and reliability testing. The organization of the book is divided into three sections; the first part deals with emerging photovoltaic absorbers and absorber approaches, the second part is focused on novel solar cell architectures and device concepts and components; and the last part is focused on their integration into module technologies. The first chapter is an introduction to the basics of solar cells technology facilitating an understanding by the non-expert of the following chapters. The book is intended for academics and professionals, at the research and R&D level in materials and devices, who are looking for opportunities for applications in the solar materials, devices and modules areas. Hopefully it will serve as a reference for students and professionals looking into the potential and development of novel photovoltaic technologies, researchers looking into the development of innovative projects, and teachers in the field of energy and sustainability. Showcases a range of cutting-edge photovoltaic materials and devices, exploring their special properties and how they are best used Assesses the challenges of fabricating solar cell devices using nanotechnology Explores how producing cheaper modules, increasing reliability and increasing efficiency have led to new applications for photovoltaic devices

Light Management in Flexible Silicon Thin Film Solar Cells

Light Management in Flexible Silicon Thin Film Solar Cells Book
Author : Anonim
Publisher : Unknown
Release : 2015
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Light Management in Flexible Silicon Thin Film Solar Cells book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Next Generation of Photovoltaics

Next Generation of Photovoltaics Book
Author : Ana Cristobal,Antonio Martí Vega,Antonio Luque López
Publisher : Springer Science & Business Media
Release : 2012-02-16
ISBN : 3642233686
Language : En, Es, Fr & De

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Book Description :

This book presents new concepts for a next generation of PV. Among these concepts are: Multijunction solar cells, multiple excitation solar cells (or how to take benefit of high energy photons for the creation of more than one electron hole-pair), intermediate band solar cells (or how to take advantage of below band-gap energy photons) and related technologies (for quantum dots, nitrides, thin films), advanced light management approaches (plasmonics). Written by world-class experts in next generation photovoltaics this book is an essential reference guide accessible to both beginners and experts working with solar cell technology. The book deeply analyzes the current state-of-the-art of the new photovoltaic approaches and outlines the implementation paths of these advanced devices. Topics addressed range from the fundamentals to the description of state-of-the-art of the new types of solar cells.

Charge and Light Management in Organic Solar Cells

Charge and Light Management in Organic Solar Cells Book
Author : Anonim
Publisher : Unknown
Release : 2014
ISBN : 9789175194196
Language : En, Es, Fr & De

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Book Description :

Download Charge and Light Management in Organic Solar Cells book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Organic Tandem Solar Cells Design and Formation

Organic Tandem Solar Cells  Design and Formation Book
Author : Chun-Chao Chen
Publisher : Unknown
Release : 2015
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

In the past decade, research on organic solar cells has gone through an important development stage leading to major enhancements in power conversion efficiency, from 4% to 9% in single-junction devices. During this period, there are many novel processing techniques and device designs that have been proposed and adapted in organic solar-cell devices. One well-known device architecture that helps maximize the solar cell efficiency is the multi-junction tandem solar-cell design. Given this design, multiple photoactive absorbers as subcells are stacked in a monolithic fashion and assembled via series connection into one complete device, known as the tandem solar cell. Since multiple absorbers with different optical energy bandgaps are being applied in one tandem solar-cell device, the corresponding solar cell efficiency is maximized through expanded absorption spectrum and reduced carrier thermalization loss. In Chapter 3, the architecture of solution-processible, visibly transparent solar cells is introduced. Unlike conventional organic solar-cell devices with opaque electrodes (such as silver, aluminum, gold and etc.), the semi-transparent solar cells rely on highly transparent electrodes and visibly transparent photoactive absorbers. Given these two criteria, we first demonstrated the visibly transparent single-junction solar cells via the polymer absorber with near-infrared absorption and the top electrode based on solution-processible silver nanowire conductor. The highest visible transparency (400 ~ 700 nm) of 65% was achieved for the complete device structure. More importantly, power conversion efficiency of 4% was also demonstrated. In Chapter 4, we stacked two semi-transparent photoactive absorbers in the tandem architecture in order to realize the semi-transparent tandem solar cells. A noticeable performance improvement from 4% to 7% was observed. More importantly, we modified the interconnecting layers with the incorporation of a thin conjugated polyelectrolyte layer functioning as the surface dipole formation layer to provide better electrical contact with the photoactive layer. Due to the effectiveness of the conjugated polyelectrolyte layer, performance improvement was also observed. Furthermore, other issues regarding the semi-transparent tandem solar cells (e.g., photocurrent matching, exterior color tuning, and transparency tuning) are all explored to optimize best performance. In Chapter 5 and 6, the architectures of double- and triple-junction tandem solar cells are explored. Theoretically, triple-junction tandem solar cells with three photoactive absorbers with cascaded energy bandgaps have the potential to achieve higher performance, in comparison with double-junction tandem solar cells. Such expectations can be ascribed to the minimized carrier thermalization loss and further improved light absorption. However, the design of triple-junction solar cells often involves sophisticated multiple layer deposition as well as substantial optimization. Therefore, there is a lack of successful demonstrations of triple-junction solar cells outperforming the double-junction counterparts. To solve the incompatible issues related to the layer deposition in the fabrication, we proposed a novel architecture of inverted-structure tandem solar cells with newly designed interconnecting layers. Our design of interconnecting layers does not only focus on maintaining the orthogonal solution processing advantages, but also provides an excellent compatibility in the energy level alignment to allow different absorber materials to be used. Furthermore, we also explored the light management inside the double- and triple-junction tandem solar cells. The study of light management was carried out through optical simulation method based transfer matrix formalism. The intention is to obtain a balanced photocurrent output from each subcells inside the tandem solar cell, thus the minimal recombination loss at the contact of interconnecting layers and the optimal efficiency can be expected. With help from simulations, we were able to calibrate the thickness of each photoactive layer as well as the thickness of interconnecting layers to achieve the optimized processing conditions. With the highest power conversion efficiency, 11.5%, triple-junction tandem solar cells outperform the double-junction tandem solar cells at 10.5%. In summary, this dissertation has provided practical solutions to the current demand of high-performance and easily manufactured organic solar cells from the solar cell industry. Particularly, triple-junction tandem solar cells with efficiencies over 11% should have great potential to contribute to high-efficiency solar-cell applications, whereas semi-transparent tandem solar cells with efficiency at 7% should be applicable to building-integrated applications.

Advanced Light Management for CZTSe Alternative Thin Film Solar Cells

Advanced Light Management for CZTSe Alternative Thin Film Solar Cells Book
Author : Hossam ElAnzeery
Publisher : Unknown
Release : 2016-05-05
ISBN : 9783659851506
Language : En, Es, Fr & De

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Book Description :

Download Advanced Light Management for CZTSe Alternative Thin Film Solar Cells book written by Hossam ElAnzeery, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Fabrication and Light Management of Microscale Solar Cells

Fabrication and Light Management of Microscale Solar Cells Book
Author : Yuan Yao
Publisher : Unknown
Release : 2016
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Fabrication and Light Management of Microscale Solar Cells book written by Yuan Yao, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Amorphous Silicon Thin Film Solar Cells with Engineered Nanoparticles

Amorphous Silicon Thin Film Solar Cells with Engineered Nanoparticles Book
Author : Cai Boyuan
Publisher : LAP Lambert Academic Publishing
Release : 2015-06-02
ISBN : 9783659718373
Language : En, Es, Fr & De

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Book Description :

This book introduces the light management in amorphous silicon thin film solar cells through nanoparticles and nanostructures. The near-field light concentration from small metallic nanoparticles is utilised to significantly improve the solar cell conversion efficiency. For the first time, a novel nanoparticle imprinting technique is developed for the ultra-thin a-Si solar cell, leading to a 50% absorption enhancement in the solar cells. Through the combination of the imprinting technique and the designed lumpy nanoparticle structure for solar cells, a 20 nm thick a-Si solar cell can achieve a comparative absorption to a 300 nm thick standard a-Si solar cell.

Next Generation of Photovoltaics

Next Generation of Photovoltaics Book
Author : Ana Cristobal,Antonio Martí Vega,Antonio Luque López
Publisher : Springer
Release : 2012-02-23
ISBN : 9783642233708
Language : En, Es, Fr & De

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Book Description :

This book presents new concepts for a next generation of PV. Among these concepts are: Multijunction solar cells, multiple excitation solar cells (or how to take benefit of high energy photons for the creation of more than one electron hole-pair), intermediate band solar cells (or how to take advantage of below band-gap energy photons) and related technologies (for quantum dots, nitrides, thin films), advanced light management approaches (plasmonics). Written by world-class experts in next generation photovoltaics this book is an essential reference guide accessible to both beginners and experts working with solar cell technology. The book deeply analyzes the current state-of-the-art of the new photovoltaic approaches and outlines the implementation paths of these advanced devices. Topics addressed range from the fundamentals to the description of state-of-the-art of the new types of solar cells.

The Role of Front Electrodes and Intermediate Reflectors in the Optoelectronic Properties of High efficiency Micromorph Solar Cells

The Role of Front Electrodes and Intermediate Reflectors in the Optoelectronic Properties of High efficiency Micromorph Solar Cells Book
Author : Anonim
Publisher : Unknown
Release : 2021-06-14
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

On the road towards silicon thin-film photovoltaic modules with a conversion efficiency of 10%, the micromorph tandem solar cell is a promising candidate. Two ingredients are commonly used for light-management within the micromorph solar cell: (1) nano-textured interfaces and (2) insertion of an intermediate reflector in-between the two component cells of the tandem. The purpose of the nano-textures is to promote light scattering at the optical interfaces and therefore to increase the probability of absorption of red light in the amorphous silicon (a-Si:H) absorber of the top cell and of infrared light in the microcrystalline silicon (æc-Si:H) absorber of the bottom cell. For micromorph devices deposited on glass plates, these nano-textures are obtained by the deposition of the solar cell on a surface-textured transparent conductive front electrode. The function of the second ingredient, the intermediate reflector, is to increase the photo-current density within the a-Si:H top cell, thanks to reflections produced at the additional optical interface. This document study the interplay between those two ingredients within the optoelectronic system formed by the micromorph solar cell. In particular, the impact of the surface morphology of the front contact on the growth and performances of æc-Si:H solar cells is described. A study of the electronic transport within æc-Si:H cells is carried out using Scanning Kelvin probe microscopy and two original methods based on conductive atomic force microscopy. Also, the importance of the angular distribution of the light scattered by nano-textured front electrodes is demonstrated. Angular distributions for light scattered in-air and in a-Si:H are calculated from atomic force microscopy pictures of different front electrodes. The calculations are performed using phase screens and the scalar scattering theory. Theoretical results obtained with this approach are successfully confronted with experimental data obtained in-air. Besides.

Optical Modeling and Simulation of Thin Film Photovoltaic Devices

Optical Modeling and Simulation of Thin Film Photovoltaic Devices Book
Author : Janez Krc,Marko Topic
Publisher : CRC Press
Release : 2016-04-19
ISBN : 1439818509
Language : En, Es, Fr & De

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Book Description :

In wafer-based and thin-film photovoltaic (PV) devices, the management of light is a crucial aspect of optimization since trapping sunlight in active parts of PV devices is essential for efficient energy conversions. Optical modeling and simulation enable efficient analysis and optimization of the optical situation in optoelectronic and PV devices. Optical Modeling and Simulation of Thin-Film Photovoltaic Devices provides readers with a thorough guide to performing optical modeling and simulations of thin-film solar cells and PV modules. It offers insight on examples of existing optical models, demonstrates the applicability of optical modeling, and presents concrete directions and solutions for improving the devices. Along with giving practical hints, the book highlights significant research, development, and production in the field. It covers numerous approaches of one-, two-, and three-dimensional optical modeling, including one-dimensional semi-coherent modeling and two-dimensional modeling based on the finite element method (FEM). Many practical examples illustrate the use of simulations with the developed models, helping readers better understand and develop their own models as well as appreciate innovative concepts in light management in thin-film PV devices.

Solar Cell Nanotechnology

Solar Cell Nanotechnology Book
Author : Atul Tiwari,Rabah Boukherroub,Maheshwar Sharon
Publisher : John Wiley & Sons
Release : 2013-09-30
ISBN : 1118845781
Language : En, Es, Fr & De

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Book Description :

Focusing on the cutting-edge technologies available in the field of photovoltaics, Solar Cell Nanotechnology explores the latest research and development activities related to organic, inorganic, and hybrid materials being used in solar cell manufacturing. Several chapters are dedicated to explaining the fundamentals of photovoltaics and nanomaterials utilized in the manufacturing of solar cells. Other essential subjects, such as microcontact printing, plasmonic light trapping, outdoor and indoor efficiency, luminescent solar concentrators, and photon management in photovoltaics, are comprehensively reviewed. Written for a broad audience, this is an essential book for engineers, nanotechnologists, and materials scientists.

Ultrathin Crystalline Silicon Solar Cells Incorporating Advanced Light trapping Structures

Ultrathin Crystalline Silicon Solar Cells Incorporating Advanced Light trapping Structures Book
Author : Matthew S. Branham
Publisher : Unknown
Release : 2015
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Solar photovoltaics, which convert the energy potential of photons from the sun directly into electrical power, hold immense promise as a cornerstone of a clean energy future. Yet their cost remains greater than that of conventional energy sources in most markets and a barrier to large-scale adoption. Crystalline silicon modules, with a 90% share of the worldwide photovoltaic market, have witnessed a precipitous drop in price over the last decade. But going forward, further evolutionary cost reduction will be difficult given the significant cost of the silicon wafer alone - roughly 35% of the module. Dramatically reducing the thickness of silicon used to make a solar cell from the current 350 [mu]m could rewrite the economics of photovoltaics. For thin-film crystalline silicon solar cells to deliver the anticipated cost benefits of reduced material requirements, it is essential that they also yield power conversion efficiencies comparable to commercial solar cells. A significant hurdle to realizing elevated efficiency in crystalline silicon films thinner than 20 [mu]m is the loss of current resulting from reduced photon absorption. A range of light management structures have been proposed in the literature to address this issue and many have been demonstrated to provide high absorption across the spectral range relevant to crystalline silicon, but their promise has yet to be realized in an active photovoltaic device. The focus of this thesis is the development of an experimental platform and fabrication process to evaluate the effectiveness of theoretically-designed light-trapping structures in functional photovoltaic devices. The experimental effort yielded 10-pm-thick crystalline silicon solar cells with a peak short-circuit current of 34.5 mA cm-2 and power conversion efficiency of 15.7%. The record performance for a crystalline silicon photovoltaic of such thinness is enabled by an advanced light-trapping design incorporating a 2D photonic crystal and a rear dielectric/reflector stack. A parallel line of questioning addressed in this thesis is whether periodic wavelength-scale optical structures are superior to periodic or random structures with geometric-optics-scale features. Through the synthesis of experimental and theoretical evidence, the case is constructed that wavelength-scale light-trapping structures are in fact comparable to conventional random pyramid surface structures for broad-spectrum absorption in silicon solar cells as thin as 5 [mu]m. These results have important implications for the design of cost-effective and manufacturable light-trapping structures for ultrathin crystalline silicon solar cells.