Transparent Semiconducting Oxides for Active Multi-electrode Arrays PDF Download
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Author: Fabian Klüpfel
Publisher:
ISBN:
Category : Oxides
Languages : en
Pages : 0
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Author: Fabian Klüpfel
Publisher:
ISBN:
Category : Oxides
Languages : en
Pages : 0
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Author: Antonio Facchetti
Publisher: John Wiley & Sons
ISBN: 9780470710593
Category : Technology & Engineering
Languages : en
Pages : 470
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Book Description
The challenge for producing “invisible” electronic circuitry and opto-electronic devices is that the transistor materials must be transparent to visible light yet have good carrier mobilities. This requires a special class of materials having “contra-indicated properties” because from the band structure point of view, the combination of transparency and conductivity is contradictory. Structured to strike a balance between introductory and advanced topics, this monograph juxtaposes fundamental science and technology / application issues, and essential materials characteristics versus device architecture and practical applications. The first section is devoted to fundamental materials compositions and their properties, including transparent conducting oxides, transparent oxide semiconductors, p-type wide-band-gap semiconductors, and single-wall carbon nanotubes. The second section deals with transparent electronic devices including thin-film transistors, photovoltaic cells, integrated electronic circuits, displays, sensors, solar cells, and electro-optic devices. Describing scientific fundamentals and recent breakthroughs such as the first “invisible” transistor, Transparent Electronics: From Synthesis to Applications brings together world renowned experts from both academia, national laboratories, and industry.
Author: Andrews Nirmala Grace
Publisher: Springer Nature
ISBN: 9811971889
Category : Science
Languages : en
Pages : 1176
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Book Description
This handbook summarizes the current advancements and growth in sustainable carbonaceous porous materials for fabrication and revival of energy devices, fuel cells, sensors technology, solar cell technology, stealth technology in addition to biomedical applications. It also covers the potential applications of carbon materials in various fields such as chemical, engineering, biomedical and environmental sciences. It also confers the prospective utilization of 2D and 3D hierarchical porous carbon in different interdisciplinary engineering applications. The book discusses major challenges faced in the development of cost-effective future energy storage strategies and provides effective solutions for improvement in the performance of carbon-based materials. Given the content, this handbook will be useful for students, researchers and professionals working in the area of material chemistry and allied fields.
Author: Pedro Barquinha
Publisher: John Wiley & Sons
ISBN: 1119967740
Category : Technology & Engineering
Languages : en
Pages : 348
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Book Description
Transparent electronics is emerging as one of the most promising technologies for the next generation of electronic products, away from the traditional silicon technology. It is essential for touch display panels, solar cells, LEDs and antistatic coatings. The book describes the concept of transparent electronics, passive and active oxide semiconductors, multicomponent dielectrics and their importance for a new era of novel electronic materials and products. This is followed by a short history of transistors, and how oxides have revolutionized this field. It concludes with a glance at low-cost, disposable and lightweight devices for the next generation of ergonomic and functional discrete devices. Chapters cover: Properties and applications of n-type oxide semiconductors P-type conductors and semiconductors, including copper oxide and tin monoxide Low-temperature processed dielectrics n and p-type thin film transistors (TFTs) – structure, physics and brief history Paper electronics – Paper transistors, paper memories and paper batteries Applications of oxide TFTs – transparent circuits, active matrices for displays and biosensors Written by a team of renowned world experts, Transparent Oxide Electronics: From Materials to Devices gives an overview of the world of transparent electronics, and showcases groundbreaking work on paper transistors
Author: Gordon Alex MacDonald
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
This dissertation focuses on characterizing the nanoscale and surface averaged electrical properties of transparent conducting oxide (TCO) electrodes such as indium tin oxide (ITO) and transparent metal-oxide (MO) electron selective interlayers (ESLs), such as zinc oxide (ZnO), the ability of these materials to rapidly extract photogenerated charges from organic semiconductors (OSCs) used in organic photovoltaic (OPV) cells, and evaluating their impact on the power conversion efficiency (PCE) of OPV devices. In Chapter 1, we will introduce the fundamental principles regarding the need for low cost power generation, the benefits of OPV technologies, as well as the key principles that govern the operation of OPV devices and the key innovations that have advanced this technology. In Chapter 2 of this dissertation, we demonstrate an innovative application of conductive probe atomic force microscopy (CAFM) to map the nanoscale electrical heterogeneity at the interface between an electrode, such as ITO, and an OSC such as the p-type OSC copper phthalocyanine (CuPc).(MacDonald et al. (2012) ACS Nano, 6, p. 9623) In this work we collected arrays of J-V curves, using a CAFM probe as the top contact of CuPc/ITO systems, to map the local J-V responses. By comparing J-V responses to known models for charge transport, we were able to determine if the local rate-limiting step for charge transport is through the OSC (ohmic) or the CuPc/ITO interface (nonohmic). These results strongly correlate with device PCE, as demonstrated through the controlled addition of insulating alkylphosphonic acid self-assembled monolayers (SAMs) at the ITO/CuPc interface. Subsequent chapters focus on the electrical property characterization of RF-magnetron sputtered ZnO (sp-ZnO) ESL films on ITO substrates. We have shown that the energetic alignment of ESLs and the organic semiconducting (OSC) active materials plays a critical role in determining the PCE of OPV devices and the appearance of, or lack thereof, UV light soaking sensitivity. For ZnO and fullerene interfaces, we have shown that either minimizing the oxygen partial pressure during ZnO deposition or exposure of ZnO to UV light minimizes the energetic offset at this interface and maximizes device PCE. We have used a combination of device testing, device modeling, and impedance spectroscopy to fully characterize the effects that energetic alignment has on the charge carrier transport and charge carrier distribution within the OPV device. This work can be found in Chapter 3 of this dissertation and is in preparation for publication. We have also shown that the local properties of sp-ZnO films varies as a function of the underlying ITO crystal face. We show that the local ITO crystal face determines the local nucleation and growth of the sp-ZnO films. We demonstrate that this effects the morphology, the chemical resistance to etching as well as the surface electrical properties of the sp-ZnO films. This is likely due to differences in the surface mobility of sputtered Zn and O atoms on these crystal faces during film nucleation. This affects the nanoscale distribution of electrical and chemical properties. As a result we demonstrate that the PCE, and UV sensitivity of the J-V response of OPVs using sp-ZnO ESLs are strongly impacted by the distribution of ITO crystal faces at the surface of the substrate. This work can be found in Chapter 4 of this dissertation and is in preparation for publication. These studies have contributed to a detailed understanding of the role that electrical heterogeneity, insulating barriers and energetic alignment at the MO/OSC interface play in OPV PCE.
Author:
Publisher:
ISBN:
Category : Patents
Languages : en
Pages : 788
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Book Description
Author: Monica Lira-Cantu
Publisher: Elsevier
ISBN: 0128109963
Category : Technology & Engineering
Languages : en
Pages : 568
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Book Description
The Future of Semiconductor Oxides in Next-Generation Solar Cells begins with several chapters covering the synthesis of semiconductor oxides for NGSCs. Part II goes on to cover the types and applications of NGSCs currently under development, while Part III brings the two together, covering specific processing techniques for NGSC construction. Finally, Part IV discusses the stability of SO solar cells compared to organic solar cells, and the possibilities offered by hybrid technologies. This comprehensive book is an essential reference for all those academics and professionals who require thorough knowledge of recent and future developments in the role of semiconductor oxides in next generation solar cells. Unlocks the potential of advanced semiconductor oxides to transform Next Generation Solar Cell (NGSC) design Full coverage of new developments and recent research make this essential reading for researchers and engineers alike Explains the synthesis and processing of semiconductor oxides with a view to their use in NGSCs
Author: Steve Durbin
Publisher: Materials Research Society
ISBN: 9781605116105
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Symposium R, "Oxide Semiconductors" was held December 1-6 at the 2013 MRS Fall Meeting in Boston, Massachusetts. Oxide semiconductors are poised to take a more active role in modern electronics, particularly in the field of thin film transistors. While many advances have been made in terms of our understanding of fundamental optical and electronic characteristics, there remain many questions in terms of defects, doping, and optimal growth/synthesis conditions. This symposium proceedings volume represents recent advances in growth and characterization of a number of different oxide semiconductors, as well as device fabrication.
Author: Cengiz Ozkan
Publisher: John Wiley & Sons
ISBN: 1119469694
Category : Technology & Engineering
Languages : en
Pages : 596
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Book Description
The fourth volume in a series of handbooks on graphene research and applications The Handbook of Graphene, Volume 4: Composites looks at composite materials exclusively. Topics covered include graphene composites and graphene-reinforced advanced composite materials. The following graphene-based subjects are discussed: ceramic composites; composite nanostructures; composites with shape memory effect; and scroll structures. Chapters also address: the fabrication and properties of copper–graphene composites; graphene–metal oxide composite as an anode material in li-ion batteries; supramolecular graphene-based systems for drug delivery; and other graphene-related areas of interest to scientists and researchers.
Author: Saravanan Rajendran
Publisher: Springer Nature
ISBN: 3030530655
Category : Technology & Engineering
Languages : en
Pages : 413
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Book Description
Energy is a key world issue in the context of climate change and increasing population, 'calling for alternative fuels, better energy storage, and energy-saving devices. This books reviews the principles and applications of metals and metal oxides for energy, with focus on batteries, electrodes, nanomaterials, electronics, supercapacitors, biofuels and sensors.
