Organic Electronic Devices For Solar Energy Conversion And Storage eBook
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Organic Electronic Devices For Solar Energy Conversion And Storage
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Author : Yingzhi Jin
language : en
Publisher: Linköping University Electronic Press
Release Date : 2020-08-19
Organic Electronic Devices For Solar Energy Conversion And Storage written by Yingzhi Jin and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-19 with Electronic books categories.
This thesis focuses on two types of organic electronic devices: organic photovoltaic (OPV) devices for solar energy conversion, and photo-capacitors for energy storage. OPVs have been under the focus of research for decades as an effective technique to convert solar energy to electricity. So far, the efficiency of bulk heterojunction OPV consisting donor and acceptor materials is approaching to 18% with non-fullerene acceptor (NFA), which make it close to commercialization. The process of charge generation and recombination are two competing processes in OPVs, since their requirements for the active layer morphology are contradictory. Large donor/acceptor interfaces facilitate charge generation but hinder the transporting pathways for charge transportation. The simultaneously enhanced charge generation and transportation are achieved by using the ternary strategy in my first paper. The fully mixed donors and NFAs are beneficial for the charge generation and fullerene is introduced as an extra electron transport channel. The hierarchical morphology of the blend film is confirmed by the TEM results. The voltage loss analyses indicate that the hierarchical morphology could suppress unfavorable charge transfer state and non-radiative recombination loss. In my second paper, efficient charge generation with low voltage loss are achieved in the solar cells by rational designing a series of NFAs. The detailed voltage losses are discussed in these binary systems, revealing the critical relationship between radiative efficiency and device performance. To harvest photocurrent in OPVs, long lifetime triplet excitons are highly expected to be good candidates. The potential of triplet materials in OPVs has been explored since 1970s. However, the performance of the triplet materials-based OPVs is far behind. The voltage loss in triplet OPVs is intensively studied in my third work. A higher open circuit voltage (0.88 V) is observed for Ir(FOtbpa)3-based devices than those of Ir(Ftbpa)3 (0.80 V) despite a lower charge transfer state energy. To understand above result, the voltage losses through radiative and non-radiative recombination pathways in two devices are quantitively investigated, which indicate a reduced non-radiative recombination loss in the Ir(FOtbpa)3-based devices. The fluctuation of sun irradiation resulting the unstable output power of solar cells. Therefore, it is important to store electricity of solar cells for later use. Integrated photo-capacitor (IPC), combining a solar cell and a super-capacitor by sharing one common electrode, is able to simultaneously realize the energy harvesting and storage. Building upon this advantage, IPC devices received tremendous research attention. In my fourth and last papers, we introduced super-capacitors to construct IPC devices with OPV device or modules. A free standing thick- PEDOT:PSS film is successfully integrated into an all solution-processed IPC device as the common electrode. Resulting devices demonstrate good performance and outstanding stability. With solar PV modules, a higher voltage can be generated and stored by asymmetric supercapacitors, which could be used as a portable power unit.
Flexible Energy Conversion And Storage Devices
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Author : Chunyi Zhi
language : en
Publisher: John Wiley & Sons
Release Date : 2018-10-22
Flexible Energy Conversion And Storage Devices written by Chunyi Zhi 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 2018-10-22 with Technology & Engineering categories.
Provides in-depth knowledge of flexible energy conversion and storage devices-covering aspects from materials to technologies Written by leading experts on various critical issues in this emerging field, this book reviews the recent progresses on flexible energy conversion and storage devices, such as batteries, supercapacitors, solar cells, and fuel cells. It introduces not only the basic principles and strategies to make a device flexible, but also the applicable materials and technologies, such as polymers, carbon materials, nanotechnologies and textile technologies. It also discusses the perspectives for different devices. Flexible Energy Conversion and Storage Devices contains chapters, which are all written by top researchers who have been actively working in the field to deliver recent advances in areas from materials syntheses, through fundamental principles, to device applications. It covers flexible all-solid state supercapacitors; fiber/yarn based flexible supercapacitors; flexible lithium and sodium ion batteries; flexible diversified and zinc ion batteries; flexible Mg, alkaline, silver-zinc, and lithium sulfur batteries; flexible fuel cells; flexible nanodielectric materials with high permittivity for power energy storage; flexible dye sensitized solar cells; flexible perovskite solar cells; flexible organic solar cells; flexible quantum dot-sensitized solar cells; flexible triboelectric nanogenerators; flexible thermoelectric devices; and flexible electrodes for water-splitting. -Covers the timely and innovative field of flexible devices which are regarded as the next generation of electronic devices -Provides a highly application-oriented approach that covers various flexible devices used for energy conversion and storage -Fosters an understanding of the scientific basis of flexible energy devices, and extends this knowledge to the development, construction, and application of functional energy systems -Stimulates and advances the research and development of this intriguing field Flexible Energy Conversion and Storage Devices is an excellent book for scientists, electrochemists, solid state chemists, solid state physicists, polymer chemists, and electronics engineers.
Molecular Devices For Solar Energy Conversion And Storage
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Author : Haining Tian
language : en
Publisher: Springer
Release Date : 2017-09-14
Molecular Devices For Solar Energy Conversion And Storage written by Haining Tian and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-14 with Technology & Engineering categories.
This book shows the different molecular devices used for solar energy conversion and storage and the important characterization techniques for this kind of device. It has five chapters describing representative molecule-based solar cells, such as organic solar cells, dye-sensitized solar cells and hybrid solar cells (perovskite solar cell and quantum dots solar cells). It also includes two chapters demonstrating the use of molecular devices in the areas of solar fuel, water splitting and carbon dioxide reduction. There are further two chapters with interesting examples of solar energy storage related devices, like solar flow battery, solar capacitor and solar energy-thermal energy storage. Three chapters introduce important techniques used to characterize, investigate and evaluate the mechanism of molecular devices. The final chapter discusses the stability of perovskite solar cells. This book is relevant for a wide readership, and is particularly useful for students, researchers and industrial professionals who are working on molecular devices for solar energy utilization.
Advances In Electronic Materials For Clean Energy Conversion And Storage Applications
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Author : Aftab Aslam Parwaz Khan
language : en
Publisher: Elsevier
Release Date : 2023-03-24
Advances In Electronic Materials For Clean Energy Conversion And Storage Applications written by Aftab Aslam Parwaz Khan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-24 with Technology & Engineering categories.
Advances in Electronic Materials for Clean Energy Conversion and Storage Applications reviews green synthesis and fabrication techniques of various electronic materials and their derivatives for applications in photovoltaics. The book investigates recent advances, progress and issues of photovoltaic-based research, including organic, hybrid, dye-sensitized, polymer, and quantum dot-based solar cells. There is a focus on applications for clean energy and storage in the book. Clean energy is defined as energy derived from renewable resources or zero-emission sources and natural processes that are regenerative and sustainable resources such as biomass, geothermal energy, hydropower, solar and wind energy. Materials discussed include nanomaterials, nanocomposites, polymers, and polymer-composites. Advances in clean energy conversion and energy storage devices are also reviewed thoroughly based on recent research and developments such as supercapacitors, batteries etc. Reliable methods to characterize and analyze these materials systems and devices are emphasized throughout the book. Important information on synthesis and analytical chemistry of these important systems are reviewed, but also material science methods to investigate optical properties of carbon-nanomaterials, metal oxide nanomaterials and their nanocomposites. Reviews the latest advances in electronic materials synthesis, fabrication and application in energy Discusses green, cost-effective, simple and large-scale production of electronic materials Includes critical materials and device characterization techniques that enhance our understanding of materials' properties and measure device performance
Emerging Materials For Energy Conversion And Storage
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Author : Kuan Yew Cheong
language : en
Publisher: Elsevier
Release Date : 2018-08-09
Emerging Materials For Energy Conversion And Storage written by Kuan Yew Cheong and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-09 with Technology & Engineering categories.
Emerging Materials for Energy Conversion and Storage presents the state-of-art of emerging materials for energy conversion technologies (solar cells and fuel cells) and energy storage technologies (batteries, supercapacitors and hydrogen storage). The book is organized into five primary sections, each with three chapters authored by worldwide experts in the fields of materials science, physics, chemistry and engineering. It covers the fundamentals, functionalities, challenges and prospects of different classes of emerging materials, such as wide bandgap semiconductors, oxides, carbon-based nanostructures, advanced ceramics, chalcogenide nanostructures, and flexible organic electronics nanomaterials. The book is an important reference for students and researchers (from academics, but also industry) interested in understanding the properties of emerging materials. Explores the fundamentals, challenges and prospects for the application of emerging materials in the development of energy conversion and storage devices Presents a discussion of solar cell and photovoltaic, fuel cell, battery electrode, supercapacitor and hydrogen storage applications Includes notable examples of energy devices based on emerging materials to illustrate recent advances in this field
Characterization Of Organic Solar Cells Devices And Their Interfaces Under Degradation
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Author : Michael Corazza
language : en
Publisher:
Release Date :
Characterization Of Organic Solar Cells Devices And Their Interfaces Under Degradation written by Michael Corazza and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
The Physics Of Solar Energy Conversion
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Author : Juan Bisquert
language : en
Publisher: CRC Press
Release Date : 2020-06-09
The Physics Of Solar Energy Conversion written by Juan Bisquert and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-09 with Science categories.
Research on advanced energy conversion devices such as solar cells has intensified in the last two decades. A broad landscape of candidate materials and devices were discovered and systematically studied for effective solar energy conversion and utilization. New concepts have emerged forming a rather powerful picture embracing the mechanisms and limitation to efficiencies of different types of devices. The Physics of Solar Energy Conversion introduces the main physico-chemical principles that govern the operation of energy devices for energy conversion and storage, with a detailed view of the principles of solar energy conversion using advanced materials. Key Features include: Highlights recent rapid advances with the discovery of perovskite solar cells and their development. Analyzes the properties of organic solar cells, lithium ion batteries, light emitting diodes and the semiconductor materials for hydrogen production by water splitting. Embraces concepts from nanostructured and highly disordered materials to lead halide perovskite solar cells Takes a broad perspective and comprehensively addresses the fundamentals so that the reader can apply these and assess future developments and technologies in the field. Introduces basic techniques and methods for understanding the materials and interfaces that compose operative energy devices such as solar cells and solar fuel converters.