Author: Jennifer Woodbridge Pell
Publisher:
ISBN:
Category :
Languages : en
Pages : 1414

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Book Description

Author: Margaret Irene Steinhauser
Publisher:
ISBN:
Category :
Languages : en
Pages : 234

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Book Description

Author: Theodor Schneller
Publisher: Springer Science & Business Media
ISBN: 3211993118
Category : Technology & Engineering
Languages : en
Pages : 801

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Book Description
This is the first text to cover all aspects of solution processed functional oxide thin-films. Chemical Solution Deposition (CSD) comprises all solution based thin- film deposition techniques, which involve chemical reactions of precursors during the formation of the oxide films, i. e. sol-gel type routes, metallo-organic decomposition routes, hybrid routes, etc. While the development of sol-gel type processes for optical coatings on glass by silicon dioxide and titanium dioxide dates from the mid-20th century, the first CSD derived electronic oxide thin films, such as lead zirconate titanate, were prepared in the 1980’s. Since then CSD has emerged as a highly flexible and cost-effective technique for the fabrication of a very wide variety of functional oxide thin films. Application areas include, for example, integrated dielectric capacitors, ferroelectric random access memories, pyroelectric infrared detectors, piezoelectric micro-electromechanical systems, antireflective coatings, optical filters, conducting-, transparent conducting-, and superconducting layers, luminescent coatings, gas sensors, thin film solid-oxide fuel cells, and photoelectrocatalytic solar cells. In the appendix detailed “cooking recipes” for selected material systems are offered.

Author: Christoph Peters
Publisher: KIT Scientific Publishing
ISBN: 3866443366
Category : Technology (General)
Languages : en
Pages : 174

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Book Description
Due to their high energy conversion efficiencies and low emissions, Solid Oxide Fuel Cells (SOFCs) show promise as a replacement for combustion-based electrical generators at all sizes. Further increase of SOFC efficiency can be achieved by microstructural optimization of the oxygen-ion conducting electrolyte and the mixed ionic-electronic conducting cathode. By application of nanoscaled thin films, the exceptionally high efficiency allows the realization of mobile SOFCs.

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 108

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Book Description
A metal alkoxide sol-gel solution suitable for depositing a thin film of La[sub 0.6]Sr[sub 0.4]CoO[sub 3] on a porous substrate has been developed; such films should be useful in fuel cell electrode and oxygen separation membrane manufacture. Crack-free films have been deposited on both dense and porous substrates by dip-coating and spin-coating techniques followed by a heat treatment in air. Fourier transform infrared spectroscopy was used to determine the chemical structure of metal alkoxide solution system. X-ray diffraction was used to determine crystalline phases formed at various temperatures, while scanning electron microscopy was used to determine physical characteristics of the films. Surface coatings have been successfully applied to porous substrates through the control of the substrate pore size, deposition parameters, and firing parameters. Conditions have been defined for which films can be deposited, and for which the physical and chemical characteristics of the film can be improved. A theoretical discussion of the chemical reactions taking place before and after hydrolysis in the mixed alkoxide solutions is presented, and the conditions necessary for successful synthesis are defined. Applicability of these films as ionic and electronic conductors is discussed.

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 108

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Book Description
A metal alkoxide sol-gel solution suitable for depositing a thin film of La{sub 0.6}Sr{sub 0.4}CoO3 on a porous substrate has been developed; such films should be useful in fuel cell electrode and oxygen separation membrane manufacture. Crack-free films have been deposited on both dense and porous substrates by dip-coating and spin-coating techniques followed by a heat treatment in air. Fourier transform infrared spectroscopy was used to determine the chemical structure of metal alkoxide solution system. X-ray diffraction was used to determine crystalline phases formed at various temperatures, while scanning electron microscopy was used to determine physical characteristics of the films. Surface coatings have been successfully applied to porous substrates through the control of the substrate pore size, deposition parameters, and firing parameters. Conditions have been defined for which films can be deposited, and for which the physical and chemical characteristics of the film can be improved. A theoretical discussion of the chemical reactions taking place before and after hydrolysis in the mixed alkoxide solutions is presented, and the conditions necessary for successful synthesis are defined. Applicability of these films as ionic and electronic conductors is discussed.

Author: Margaret Irene Steinhauser
Publisher:
ISBN:
Category :
Languages : en
Pages : 202

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Book Description

Author: Enrico Traversa
Publisher: The Electrochemical Society
ISBN: 1607686813
Category : Solid oxide fuel cells
Languages : en
Pages : 108

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Book Description

Author: H Omran Alkhayatt Adel
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659446481
Category :
Languages : en
Pages : 116

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Book Description
Cadmium oxide is one of the promising transparent conducting oxides (TCO) with high electrical conductivity which has found in extensive applications as storage battery electrodes, optoelectronic devices, solar cells, smart windows, optical communications, flat panel display, photo-transistors, photo-diodes, transparent electrodes and gas sensors. Sol-gel-derived materials have received particular interest as chemical receptor matrices because of their optical transparency, mechanical stability, chemical resistance and flexibility in sensor morphological configurations. The materials have a wide spectrum of advantages: they may be set up at room temperature, they are not degraded electrochemically or by light, they are open to a wide variety of chemical modifications, they can be obtained in a variety of forms (monoliths, thin films, fibres or powders), and they are able to respond rapidly.Spin coating is a fast and easy method to generate thin and homogeneous organic films out of solutions. Spin coating is a procedure used to apply uniform thin films to flat substrates.

Author: Lisa C. Klein
Publisher: William Andrew Publishing
ISBN: 9780815511540
Category : Technology & Engineering
Languages : en
Pages : 407

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Book Description
Covers principles, developments, and applications of sol-gel technology for thin films, fibers, preforms, electronics, and specialty shapes.