Exciton Recombination In The Fullerene Phase Of Bulk Heterojunction Organic Solar Cells
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Exciton Recombination In The Fullerene Phase Of Bulk Heterojunction Organic Solar Cells
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Author : George Frederick Burkhard
language : en
Publisher: Stanford University
Release Date : 2011
Exciton Recombination In The Fullerene Phase Of Bulk Heterojunction Organic Solar Cells written by George Frederick Burkhard and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Finding alternatives to fossil fuel energy sources is necessary to stem global warming, to provide economic and political independence, and to keep up with increasing energy demand. Because of their low cost, flexibility, and because the material resources needed to make them are abundant, organic polymer solar cells are an attractive alternative to conventional solar technology. Organic solar technology has been developing rapidly; however, with the best power conversion efficiencies at ~8%, much improvement is needed before it can be competitive with established solar technologies. Poly-3-hexylthiophene:[6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PCBM) solar cells are the most studied type of organic solar cell. Nevertheless, their loss mechanisms are still not fully understood. In this work, we study excitonic losses in the PCBM phase of the blend. We develop a way to accurately measure internal quantum efficiencies (IQEs) and use this technique to characterize P3HT:PCBM devices. We observe spectral dependence of the IQE and conclude that a majority of excitons generated in the PCBM are lost to Auger recombination with polarons that are trapped in that phase. We also provide evidence that this process may happen in other materials and may be a critical factor in limiting exciton diffusion in organic semiconductors.
Organic And Hybrid Solar Cells
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Author : Lukas Schmidt-Mende
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2016-05-24
Organic And Hybrid Solar Cells written by Lukas Schmidt-Mende and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-24 with Technology & Engineering categories.
With the increasing world-energy demand there is a growing necessity for clean and renewable energy. The sun being one of the most abundant potential sources accounts for less than 1% of the global energy supply. The market for solar cells is one of the most strongly increasing markets, even though the prize of conventional solar cells is still quite high. New emerging technologies, such as organic and hybrid solar cells have the potential to decrease the price of solar energy drastically. This book offers an introduction to these new types of solar cells and discusses fabrication, different architectures and their device physics on the bases of the author's teaching course on a master degree level. A comparison with conventional solar cells will be given and the specialties of organic solar cells emphasized.
Transmission Electron Microscopy Characterization Of Nanomaterials
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Author : Challa S.S.R. Kumar
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-09
Transmission Electron Microscopy Characterization Of Nanomaterials written by Challa S.S.R. Kumar and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-09 with Science categories.
Third volume of a 40volume series on nanoscience and nanotechnology, edited by the renowned scientist Challa S.S.R. Kumar. This handbook gives a comprehensive overview about Transmission electron microscopy characterization of nanomaterials. Modern applications and state-of-the-art techniques are covered and make this volume an essential reading for research scientists in academia and industry.
Comprehensive Guide On Organic And Inorganic Solar Cells
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Author : Md. Akhtaruzzaman
language : en
Publisher: Academic Press
Release Date : 2021-11-18
Comprehensive Guide On Organic And Inorganic Solar Cells written by Md. Akhtaruzzaman and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-18 with Science categories.
Comprehensive Guide on Organic and Inorganic Solar Cells: Fundamental Concepts to Fabrication Methods is a one-stop, authoritative resource on all types of inorganic, organic and hybrid solar cells, including their theoretical background and the practical knowledge required for fabrication. With chapters rigorously dedicated to a particular type of solar cell, each subchapter takes a detailed look at synthesis recipes, deposition techniques, materials properties and their influence on solar cell performance, including advanced characterization methods with materials selection and experimental techniques. By addressing the evolution of solar cell technologies, second generation thin-film photovoltaics, organic solar cells, and finally, the latest hybrid organic-inorganic approaches, this book benefits students and researchers in solar cell technology to understand the similarities, differences, benefits and challenges of each device. Introduces the basic concepts of different photovoltaic cells to audiences from a wide variety of academic backgrounds Consists of working principles of a particular category of solar technology followed by dissection of every component within the architecture Crucial experimental procedures for the fabrication of solar cell devices are introduced, aiding picture practical application of the technology
Photonics Volume 2
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Author : David L. Andrews
language : en
Publisher: John Wiley & Sons
Release Date : 2015-02-24
Photonics Volume 2 written by David L. Andrews and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-24 with Technology & Engineering categories.
Discusses the basic physical principles underlying the science and technology of nanophotonics, its materials and structures This volume presents nanophotonic structures and Materials. Nanophotonics is photonic science and technology that utilizes light/matter interactions on the nanoscale where researchers are discovering new phenomena and developing techniques that go well beyond what is possible with conventional photonics and electronics.The topics discussed in this volume are: Cavity Photonics; Cold Atoms and Bose-Einstein Condensates; Displays; E-paper; Graphene; Integrated Photonics; Liquid Crystals; Metamaterials; Micro-and Nanostructure Fabrication; Nanomaterials; Nanotubes; Plasmonics; Quantum Dots; Spintronics; Thin Film Optics Comprehensive and accessible coverage of the whole of modern photonics Emphasizes processes and applications that specifically exploit photon attributes of light Deals with the rapidly advancing area of modern optics Chapters are written by top scientists in their field Written for the graduate level student in physical sciences; Industrial and academic researchers in photonics, graduate students in the area; College lecturers, educators, policymakers, consultants, Scientific and technical libraries, government laboratories, NIH.
Handbook Of Organic Materials For Electronic And Photonic Devices
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Author : Oksana Ostroverkhova
language : en
Publisher: Woodhead Publishing
Release Date : 2018-11-30
Handbook Of Organic Materials For Electronic And Photonic Devices written by Oksana Ostroverkhova and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-30 with Technology & Engineering categories.
Handbook of Organic Materials for Electronic and Photonic Devices, Second Edition, provides an overview of the materials, mechanisms, characterization techniques, structure-property relationships, and most promising applications of organic materials. This new release includes new content on emerging organic materials, expanded content on the basic physics behind electronic properties, and new chapters on organic photonics. As advances in organic materials design, fabrication, and processing that enabled charge unprecedented carrier mobilities and power conversion efficiencies have made dramatic advances since the first edition, this latest release presents a necessary understanding of the underlying physics that enabled novel material design and improved organic device design. Provides a comprehensive overview of the materials, mechanisms, characterization techniques, and structure property relationships of organic electronic and photonic materials Reviews key applications, including organic solar cells, light-emitting diodes electrochemical cells, sensors, transistors, bioelectronics, and memory devices New content to reflect latest advances in our understanding of underlying physics to enable material design and device fabrication
Solar Energy Conversion
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Author : Gertz I. Likhtenshtein
language : en
Publisher: John Wiley & Sons
Release Date : 2012-02-13
Solar Energy Conversion written by Gertz I. Likhtenshtein and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-13 with Science categories.
Finally filling a gap in the literature for a text that also adopts the chemist's view of this hot topic, Professor Likhtenshtein, an experienced author and internationally renowned scientist, considers different physical and engineering aspects in solar energy conversion. From theory to real-life systems, he shows exactly which chemical reactions take place when converting light energy, providing an overview of the chemical perspective from fundamentals to molecular harvesting systems and solar cells. This essential guide will thus help researchers in academia and industry better understand solar energy conversion, and so ultimately help this promising, multibillion dollar fi eld to expand. From the contents: * Electron Transfer Theories * Principle Stages of Photosynthetic Light Energy Conversion * Photochemical Systems of Light Energy Conversion * Redox Processes on Surface of Semiconductors and Metals * Dye-Sensitized Solar Cells * Photocatalytic Reduction and Oxidation of Water
Semiconducting Polymer Composites
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Author : Xiaoniu Yang
language : en
Publisher: John Wiley & Sons
Release Date : 2012-10-05
Semiconducting Polymer Composites written by Xiaoniu Yang and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-05 with Technology & Engineering categories.
The first part of Semiconducting Polymer Composites describes the principles and concepts of semiconducting polymer composites in general, addressing electrical conductivity, energy alignment at interfaces, morphology, energy transfer, percolation theory and processing techniques. In later chapters, different types of polymer composites are discussed: mixtures of semiconducting and insulating or semiconducting and semiconducting components, respectively. These composites are suitable for a variety of applications that are presented in detail, including transistors and solar cells, sensors and detectors, diodes and lasers as well as anti-corrosive and anti-static surface coatings.
Solution Processable Components For Organic Electronic Devices
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Author : Beata Luszczynska
language : en
Publisher: John Wiley & Sons
Release Date : 2019-09-16
Solution Processable Components For Organic Electronic Devices written by Beata Luszczynska and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-16 with Technology & Engineering categories.
Provides first-hand insights into advanced fabrication techniques for solution processable organic electronics materials and devices The field of printable organic electronics has emerged as a technology which plays a major role in materials science research and development. Printable organic electronics soon compete with, and for specific applications can even outpace, conventional semiconductor devices in terms of performance, cost, and versatility. Printing techniques allow for large-scale fabrication of organic electronic components and functional devices for use as wearable electronics, health-care sensors, Internet of Things, monitoring of environment pollution and many others, yet-to-be-conceived applications. The first part of Solution-Processable Components for Organic Electronic Devices covers the synthesis of: soluble conjugated polymers; solution-processable nanoparticles of inorganic semiconductors; high-k nanoparticles by means of controlled radical polymerization; advanced blending techniques yielding novel materials with extraordinary properties. The book also discusses photogeneration of charge carriers in nanostructured bulk heterojunctions and charge carrier transport in multicomponent materials such as composites and nanocomposites as well as photovoltaic devices modelling. The second part of the book is devoted to organic electronic devices, such as field effect transistors, light emitting diodes, photovoltaics, photodiodes and electronic memory devices which can be produced by solution-based methods, including printing and roll-to-roll manufacturing. The book provides in-depth knowledge for experienced researchers and for those entering the field. It comprises 12 chapters focused on: ? novel organic electronics components synthesis and solution-based processing techniques ? advanced analysis of mechanisms governing charge carrier generation and transport in organic semiconductors and devices ? fabrication techniques and characterization methods of organic electronic devices Providing coverage of the state of the art of organic electronics, Solution-Processable Components for Organic Electronic Devices is an excellent book for materials scientists, applied physicists, engineering scientists, and those working in the electronics industry.
Organic And Hybrid Solar Cells
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Author : Lukas Schmidt-Mende
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2022-08-01
Organic And Hybrid Solar Cells written by Lukas Schmidt-Mende and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-01 with Technology & Engineering categories.
With the increasing world-energy demand there is a growing necessity for clean and renewable energy. This book offers an introduction to these new types of solar cells and discusses fabrication, different architectures and their device physics on the bases of the author's teaching course on a master degree level. A comparison with conventional solar cells is given and the specialties of organic solar cells emphasized.