A Study Of The Degradation Of Organic Solar Cells

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Stability and Degradation of Organic and Polymer Solar Cells

Author : Frederik C. Krebs
Publisher : John Wiley & Sons
ISBN 13 : 1119952514
Total Pages : 375 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Stability and Degradation of Organic and Polymer Solar Cells by : Frederik C. Krebs

Download or read book Stability and Degradation of Organic and Polymer Solar Cells written by Frederik C. Krebs and published by John Wiley & Sons. This book was released on 2012-04-23 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic photovoltaics (OPV) are a new generation of solar cells with the potential to offer very short energy pay back times, mechanical flexibility and significantly lower production costs compared to traditional crystalline photovoltaic systems. A weakness of OPV is their comparative instability during operation and this is a critical area of research towards the successful development and commercialization of these 3rd generation solar cells. Covering both small molecule and polymer solar cells, Stability and Degradation of Organic and Polymer Solar Cells summarizes the state of the art understanding of stability and provides a detailed analysis of the mechanisms by which degradation occurs. Following an introductory chapter which compares different photovoltaic technologies, the book focuses on OPV degradation, discussing the origin and characterization of the instability and describing measures for extending the duration of operation. Topics covered include: *Chemical and physical probes for studying degradation *Imaging techniques *Photochemical stability of OPV materials *Degradation mechanisms *Testing methods *Barrier technology and applications Stability and Degradation of Organic and Polymer Solar Cells is an essential reference source for researchers in academia and industry, engineers and manufacturers working on OPV design, development and implementation.

A Study of the Degradation of Organic Solar Cells

Author : Mohammed Azzouzi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis A Study of the Degradation of Organic Solar Cells by : Mohammed Azzouzi

Download or read book A Study of the Degradation of Organic Solar Cells written by Mohammed Azzouzi and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of small molecule solar cells has incredibly developed during the last decade. In fact, their efficiency increased from 3% in 2005 to 13% in 2016. However, they still face a major problem of stability: these cells degrade very quickly in contact with air or under illumination. This study focuses on the uses of measurement techniques to follow the degradation of the cells. We studied the use of both electrical and imaging technics to get a better understanding of the degradation mechanisms aiming to identify the weakest layer and to improve its stability.

Organic Solar Cells

Author : Wallace C.H. Choy
Publisher : Springer Science & Business Media
ISBN 13 : 1447148231
Total Pages : 268 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Organic Solar Cells by : Wallace C.H. Choy

Download or read book Organic Solar Cells written by Wallace C.H. Choy and published by Springer Science & Business Media. This book was released on 2012-11-19 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic solar cells have emerged as new promising photovoltaic devices due to their potential applications in large area, printable and flexible solar panels. Organic Solar Cells: Materials and Device Physics offers an updated review on the topics covering the synthesis, properties and applications of new materials for various critical roles in devices from electrodes, interface and carrier transport materials, to the active layer composed of donors and acceptors. Addressing the important device physics issues of carrier and exciton dynamics and interface stability and novel light trapping structures, the potential for hybrid organic solar cells to provide high efficiency solar cells is examined and discussed in detail. Specific chapters covers key areas including: Latest research and designs for highly effective polymer donors/acceptors and interface materials Synthesis and application of highly transparent and conductive graphene Exciton and charge dynamics for in-depth understanding of the mechanism underlying organic solar cells. New potentials and emerging functionalities of plasmonic effects in OSCs Interface Degradation Mechanisms in organic photovoltaics improving the entire device lifetime Device architecture and operation mechanism of organic/ inorganic hybrid solar cells for next generation of high performance photovoltaics This reference can be practically and theoretically applied by senior undergraduates, postgraduates, engineers, scientists, researchers, and project managers with some fundamental knowledge in organic and inorganic semiconductor materials or devices.

The Degradation of Organic Solar Cells

Author :
Publisher :
ISBN 13 : 9789403420219
Total Pages : 175 pages
Book Rating : 4.4/5 (22 download)

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Book Synopsis The Degradation of Organic Solar Cells by :

Download or read book The Degradation of Organic Solar Cells written by and published by . This book was released on 2019 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Studies of Degradation of Organic Solar Cell Materials Using Electrical Scanning Probe Microscopy

Author : Esha Sen Gupta
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (856 download)

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Book Synopsis Studies of Degradation of Organic Solar Cell Materials Using Electrical Scanning Probe Microscopy by : Esha Sen Gupta

Download or read book Studies of Degradation of Organic Solar Cell Materials Using Electrical Scanning Probe Microscopy written by Esha Sen Gupta and published by . This book was released on 2012 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Degradation of Organic Solar Cells in High Humidity

Author : Thomas Glen
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis The Degradation of Organic Solar Cells in High Humidity by : Thomas Glen

Download or read book The Degradation of Organic Solar Cells in High Humidity written by Thomas Glen and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Current Injection in Solids

Author : Murray A. Lampert
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.:/5 (41 download)

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Book Synopsis Current Injection in Solids by : Murray A. Lampert

Download or read book Current Injection in Solids written by Murray A. Lampert and published by . This book was released on 1970 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spectral Response Study of Light-induced Degradation of Organic Solar Cells

Author : Asaf Mescheloff
Publisher :
ISBN 13 :
Total Pages : 278 pages
Book Rating : 4.:/5 (875 download)

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Book Synopsis Spectral Response Study of Light-induced Degradation of Organic Solar Cells by : Asaf Mescheloff

Download or read book Spectral Response Study of Light-induced Degradation of Organic Solar Cells written by Asaf Mescheloff and published by . This book was released on 2013 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals of Solar Cell Design

Author : Inamuddin
Publisher : John Wiley & Sons
ISBN 13 : 1119724708
Total Pages : 578 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Fundamentals of Solar Cell Design by : Inamuddin

Download or read book Fundamentals of Solar Cell Design written by Inamuddin and published by John Wiley & Sons. This book was released on 2021-08-24 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solar cells are semiconductor devices that convert light photons into electricity in photovoltaic energy conversion and can help to overcome the global energy crisis. Solar cells have many applications including remote area power systems, earth-orbiting satellites, wristwatches, water pumping, photodetectors and remote radiotelephones. Solar cell technology is economically feasible for commercial-scale power generation. While commercial solar cells exhibit good performance and stability, still researchers are looking at many ways to improve the performance and cost of solar cells via modulating the fundamental properties of semiconductors. Solar cell technology is the key to a clean energy future. Solar cells directly harvest energy from the sun’s light radiation into electricity are in an ever-growing demand for future global energy production. Solar cell-based energy harvesting has attracted worldwide attention for their notable features, such as cheap renewable technology, scalable, lightweight, flexibility, versatility, no greenhouse gas emission, environment, and economy friendly and operational costs are quite low compared to other forms of power generation. Thus, solar cell technology is at the forefront of renewable energy technologies which are used in telecommunications, power plants, small devices to satellites. Aiming at large-scale implementation can be manipulated by various types used in solar cell design and exploration of new materials towards improving performance and reducing cost. Therefore, in-depth knowledge about solar cell design is fundamental for those who wish to apply this knowledge and understanding in industries and academics. This book provides a comprehensive overview on solar cells and explores the history to evolution and present scenarios of solar cell design, classification, properties, various semiconductor materials, thin films, wafer-scale, transparent solar cells, and so on. It also includes solar cells’ characterization analytical tools, theoretical modeling, practices to enhance conversion efficiencies, applications and patents.

Long Term Outdoor Degradation/stability Study for Different Types of Organic Solar Cells and Modules

Author : Baili Li
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (985 download)

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Book Synopsis Long Term Outdoor Degradation/stability Study for Different Types of Organic Solar Cells and Modules by : Baili Li

Download or read book Long Term Outdoor Degradation/stability Study for Different Types of Organic Solar Cells and Modules written by Baili Li and published by . This book was released on 2016 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Degradation and Stability of Polymer and Organic Solar Cells

Author : Frederik C. Krebs
Publisher :
ISBN 13 :
Total Pages : 135 pages
Book Rating : 4.:/5 (315 download)

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Book Synopsis Degradation and Stability of Polymer and Organic Solar Cells by : Frederik C. Krebs

Download or read book Degradation and Stability of Polymer and Organic Solar Cells written by Frederik C. Krebs and published by . This book was released on 2008 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Stability and Degradation Mechanisms in Organic Solar Cells

Author : Bernhard Ecker
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (863 download)

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Book Synopsis Stability and Degradation Mechanisms in Organic Solar Cells by : Bernhard Ecker

Download or read book Stability and Degradation Mechanisms in Organic Solar Cells written by Bernhard Ecker and published by . This book was released on 2012 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Understanding Degradation Mechanisms and Improving Long-term Performance of Organic Solar Cells

Author : William Robert Mateker
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (944 download)

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Book Synopsis Understanding Degradation Mechanisms and Improving Long-term Performance of Organic Solar Cells by : William Robert Mateker

Download or read book Understanding Degradation Mechanisms and Improving Long-term Performance of Organic Solar Cells written by William Robert Mateker and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic photovoltaics (OPVs) attract interest because they can be printed rapidly and at low cost. Over the past decade, research directed towards increasing the initial power conversion efficiency has pushed the record device efficiency above 10%. However, in order to be a competitive technology, the performance must remain relatively stable over time. In this talk, I discuss mechanisms of degradation in materials and solar cells as well as suggest materials properties that will improve stability. First I discuss the bleaching of the absorber materials in air. I will show that dense, ordered film morphologies can stabilize materials -- in one case, by a factor of 2000. Next, I show that temperature induced degradation can occur in well-encapsulated solar cells when the materials have glass transition temperatures at or below operating conditions. Similarly, I discuss the effect of mobile molecules present in the films and show that purification aimed at reducing their content can improve thermal stability. In a solar cell made from a polymer with a high glass transition temperature, lifetimes can exceed 20 years. Finally, I discuss the light-induced degradation that occurs in the first several hundred hours of solar cell operation, even in the absence of oxygen. This degradation can reduce the short circuit current via a fullerene dimerization reaction, or it can reduce the open circuit voltage via the introduction of energetic disorder on the semiconducting polymer. I show that both degradation modes are reduced in films with a more ordered morphology. These findings provide guidelines for reducing thermal and photo-induced degradation and improving the long-term stability of OPVs.

Organic Photovoltaics

Author : Sam-Shajing Sun
Publisher : CRC Press
ISBN 13 : 1351837060
Total Pages : 916 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Organic Photovoltaics by : Sam-Shajing Sun

Download or read book Organic Photovoltaics written by Sam-Shajing Sun and published by CRC Press. This book was released on 2017-12-19 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently developed organic photovoltaics (OPVs) show distinct advantages over their inorganic counterparts due to their lighter weight, flexible shape, versatile materials synthesis and device fabrication schemes, and low cost in large-scale industrial production. Although many books currently exist on general concepts of PV and inorganic PV materials and devices, few are available that offer a comprehensive overview of recently fast developing organic and polymeric PV materials and devices. Organic Photovoltaics: Mechanisms, Materials, and Devices fills this gap. The book provides an international perspective on the latest research in this rapidly expanding field with contributions from top experts around the world. It presents a unified approach comprising three sections: General Overviews; Mechanisms and Modeling; and Materials and Devices. Discussions include sunlight capture, exciton diffusion and dissociation, interface properties, charge recombination and migration, and a variety of currently developing OPV materials/devices. The book also includes two forewords: one by Nobel Laureate Dr. Alan J. Heeger, and the other by Drs. Aloysius Hepp and Sheila Bailey of NASA Glenn Research Center. Organic Photovoltaics equips students, researchers, and engineers with knowledge of the mechanisms, materials, devices, and applications of OPVs necessary to develop cheaper, lighter, and cleaner renewable energy throughout the coming decades.

Interfacial Stability and Degradation in Organic Photovoltaic Solar Cells

Author : William Greenbank
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (974 download)

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Book Synopsis Interfacial Stability and Degradation in Organic Photovoltaic Solar Cells by : William Greenbank

Download or read book Interfacial Stability and Degradation in Organic Photovoltaic Solar Cells written by William Greenbank and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic photovoltaic (OPV) solar cells show great promise but suffer from short operating lifetimes. This study examines the role that the selection of materials for the hole extraction interface in inverted OPV devices plays in determining the lifetime of a device. In the first part of the study, the effects of thermal degradation were examined. It was found that devices containing MoO3 HTLs and silver top electrodes exhibit an open-circuit voltage (VOC)/fill factor (FF)-driven mechanism. Physical characterisation experiments showed that, with heating, the silver electrode undergoes de-wetting. With thin electrodes this can result in the catastrophic failure of the device. A fracture analysis study found that silver-containing devices experience an increase in adhesion of their top layers to the active layer due to interdiffusion between the layers. This interdiffusion may be related to the loss of VOC and FF in Ag/MoO3 devices through diffused species forming charge traps in the active layer. In the second part of the study, the effects of photodegradation in different atmospheres were studied. Some material-dependent effects were observed when the devices were aged in an inert atmosphere, including variations in projected lifetime. The effect of oxygen was to greatly accelerate degradation, and remove any of the material-dependence observed in the inert experiment, while humidity led to a substantial increase in the degradation rate of devices containing PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate). This study underlines the importance of considering device lifetime in device design, and choosing materials to minimise degradation.

Morphological Degradation in Polymer-Fullerene Solar Cells

Author : Christoph Schaffer
Publisher :
ISBN 13 : 9783843930598
Total Pages : pages
Book Rating : 4.9/5 (35 download)

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Book Synopsis Morphological Degradation in Polymer-Fullerene Solar Cells by : Christoph Schaffer

Download or read book Morphological Degradation in Polymer-Fullerene Solar Cells written by Christoph Schaffer and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Organic Solar Cells: Electrodes, Performance Enhancement and Degradation Mechanisms

Author : Reginald Jack Bauld
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Organic Solar Cells: Electrodes, Performance Enhancement and Degradation Mechanisms by : Reginald Jack Bauld

Download or read book Organic Solar Cells: Electrodes, Performance Enhancement and Degradation Mechanisms written by Reginald Jack Bauld and published by . This book was released on 2014 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis I focus on a number of aspects associated with the fabrication and characterization of organic photovoltaics. Specifically, my work focuses on evaluating solution processed graphene electrodes for use in organic photovoltaics, improving the performance of indium tin oxide transparent contacts by coating them with Au nanoparticles, and understanding the degradation pathways of poly(3-hexylthiophene-2,5-diyl): phenyl-C61- butyric acid methyl ester (P3HT:PCBM) organic solar cells. In my work on graphene electrodes for organic solar cells I worked out a relationship between the sheet resistance and the film transmittance that is useful to optimize such electrodes. Investigation of organic solar cell degradation in a controlled "70-70-70" test (i.e. keeping a device for 70 hours at 70oC under 70% humidity conditions) showed several possible pathways in which the active layer of these photovoltaics degrade. In addition to the typical morphological degradation, a strong increase in paramagnetic defect density in the active layer contributes to their degradation. Formation of paramagnetic defects in P3HT:PCBM layers was attributed by us to the creation of charge transfer complexes between P3HT and oxygen. Our attempts on improving indium tin oxide electrodes for their use in organic photovoltaics included a study of the effects of nucleation of Au-containing molecular nanoclusters. It was discovered that different types of Au nanoparticles with specific properties can be formed by annealing such clusters at different temperatures and under different conditions. This discovery was utilized to fabricate Au nanoparticle layers on indium tin oxide which were then utilized as plasmonic enhancement layers for organic solar cells.