Electrochemical Studies Of Colloidal Zinc Oxide

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Electrochemical Studies of Colloidal Zinc Oxide

Author : Maluge Neluni Anne Perera
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Electrochemical Studies of Colloidal Zinc Oxide by : Maluge Neluni Anne Perera

Download or read book Electrochemical Studies of Colloidal Zinc Oxide written by Maluge Neluni Anne Perera and published by . This book was released on 2013 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dissertation here in describes efforts towards the development of electrochemical methods to determine the free energy of formation of semiconductor nanoparticles (SCNP). This method is based on determining the electrochemical reduction potential of metal ions that compose the NP. This method allows fundamental thermodynamic properties to be correlated with size and shape of semiconductor nanostructures. The research was done using zinc oxide (ZnO) NPs and the reduction potential of ZnO NPs was determined by reducing Zn2+ in ZnO NPs at a Hg ultramicroelectrode. ZnO NPs of diameters ranging from ~11 nm to ~77 nm were synthesized and their reduction potentials, surface free energies and average surface tension were estimated. As a reference system to ZnO NPs, electrochemical reduction of Zn2+ was studied using different Zn2+ precursors in non-aqueous and aqueous media on Hg, C, fluorine doped SnO2 (FTO) and Pt electrodes. According to the results, Zn(Ac)2 shows a two-step electron transfer process in CH3CN on Hg, C and FTO and the most reproducible CVs were obtained on FTO. Furthermore, the observation of two steps in Zn2+ reduction in CH3CN led to the testing of the postulate of the existence of a Zn+ intermediate species. Moreover, observation of the formation of NPs during the study of the existence of Zn+ intermediate species led to the electrochemical synthesis of possible Zn based particles via electrochemical reduction of Zn(Ac)2 on FTO in CH3CN. By changing the reduction time and concentration of reacting species it was possible to obtain stable particles with different luminescence properties.

Corrosion and Electrochemistry of Zinc

Author : Xiaoge Gregory Zhang
Publisher : Springer Science & Business Media
ISBN 13 : 1475798776
Total Pages : 481 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Corrosion and Electrochemistry of Zinc by : Xiaoge Gregory Zhang

Download or read book Corrosion and Electrochemistry of Zinc written by Xiaoge Gregory Zhang and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: Humankind's use of zinc stretches back to antiquity, and it was a component in some of the earliest known alloy systems. Even though metallic zinc was not "discovered" in Europe until 1746 (by Marggral), zinc ores were used for making brass in biblical times, and an 87% zinc alloy was found in prehistoric ruins in Transylvania. Also, zinc (the metal) was produced in quantity in India as far back as the thirteenth century, well before it was recognized as being a separate element. The uses of zinc are manifold, ranging from galvanizing to die castings to electronics. It is a preferred anode material in high-energy-density batteries (e.g., Ni/Zn, Ag/Zn, ZnJair), so that its electrochemistry, particularly in alkaline media, has been extensively explored. In the passive state, zinc is photoelectrochemically active, with the passive film displaying n-type characteristics. For the same reason that zinc is considered to be an excellent battery anode, it has found extensive use as a sacrificial anode for the protection of ships and pipelines from corrosion. Indeed, aside from zinc's well-known attributes as an alloying element, its widespread use is principally due to its electrochemical properties, which include a well-placed position in the galvanic series for protecting iron and steel in natural aqueous environments and its reversible dissolution behavior in alkaline solutions.

Multifunctional Oxide-Based Materials: From Synthesis to Application

Author : Teofil Jesionowski
Publisher : MDPI
ISBN 13 : 3039213970
Total Pages : 204 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Multifunctional Oxide-Based Materials: From Synthesis to Application by : Teofil Jesionowski

Download or read book Multifunctional Oxide-Based Materials: From Synthesis to Application written by Teofil Jesionowski and published by MDPI. This book was released on 2019-09-03 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book deals with novel aspects and perspectives in metal oxide and hybrid material fabrication. The contributions are mainly focused on the search for a new group of advanced materials with designed physicochemical properties, especially an expanded porous structure and defined surface activity. The proposed technological procedures result in an enhanced activity of the synthesized hybrid materials, which is of great importance when considering their potential fields of application. The use of such materials in different technological disciplines, including aspects associated with environmental protection, allows for the verification of the proposed synthesis method. Thus, it can be stated that those aspects are of interdisciplinary character and may be located at the interface of three scientific disciplines—chemistry, materials science, and engineering—as well as environmental protection. Furthermore, the presented scientific scope is in some way an answer to the continuous demand for such types of materials and opens new perspectives for their practical use

Zinc Oxide Nanostructure Based Electrochemical Sensors and Drug Delivery to Intracellular Environments

Author : Muhammad Asif
Publisher :
ISBN 13 : 9789173931427
Total Pages : 64 pages
Book Rating : 4.9/5 (314 download)

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Book Synopsis Zinc Oxide Nanostructure Based Electrochemical Sensors and Drug Delivery to Intracellular Environments by : Muhammad Asif

Download or read book Zinc Oxide Nanostructure Based Electrochemical Sensors and Drug Delivery to Intracellular Environments written by Muhammad Asif and published by . This book was released on 2011 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electrochemical Deposition of Zinc Oxide

Author : Ravi K. Harikisun
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (156 download)

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Book Synopsis Electrochemical Deposition of Zinc Oxide by : Ravi K. Harikisun

Download or read book Electrochemical Deposition of Zinc Oxide written by Ravi K. Harikisun and published by . This book was released on 2003 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis of Zinc Oxide by Sol–Gel Method for Photoelectrochemical Cells

Author : Siti Salwa Alias
Publisher : Springer Science & Business Media
ISBN 13 : 9814560774
Total Pages : 59 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Synthesis of Zinc Oxide by Sol–Gel Method for Photoelectrochemical Cells by : Siti Salwa Alias

Download or read book Synthesis of Zinc Oxide by Sol–Gel Method for Photoelectrochemical Cells written by Siti Salwa Alias and published by Springer Science & Business Media. This book was released on 2013-11-20 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the study of synthesized ZnO powder using Zn(CH3COO)2∙2H2O precursor, methanol (as solvent), and sodium hydroxide (NaOH) to vary the pH. The successfully synthesized ZnO powder from the sol-gel centrifugation and sol-gel storage methods were characterized and investigated by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, Fourier-transform infrared spectroscopy, UV–visible spectroscopy, and photoluminescence test to compare the properties of the nanoparticles. The best characteristic of the ZnO powder from both methods was observed when the powders were coated on an ITO glass to fabricate a PEC. The current density–voltage performances of both PECs were investigated under luminescent and dark conditions.

Preparation and Characterization of Electrochemical Deposition for Zinc Oxide Thin Films

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (143 download)

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Book Synopsis Preparation and Characterization of Electrochemical Deposition for Zinc Oxide Thin Films by :

Download or read book Preparation and Characterization of Electrochemical Deposition for Zinc Oxide Thin Films written by and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electrochemical Power Sources: Fundamentals, Systems, and Applications

Author : Hajime Arai
Publisher : Elsevier
ISBN 13 : 0444643346
Total Pages : 272 pages
Book Rating : 4.4/5 (446 download)

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Book Synopsis Electrochemical Power Sources: Fundamentals, Systems, and Applications by : Hajime Arai

Download or read book Electrochemical Power Sources: Fundamentals, Systems, and Applications written by Hajime Arai and published by Elsevier. This book was released on 2020-10-10 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-air is a promising battery system that uses inexpensive metals for its negative electrode while unlimited, free and non-toxic oxygen is used for its positive electrode, however, only primary systems have been commercialized so far. Electrochemical Power Sources: Fundamentals, Systems, and Applications – Metal–Air Batteries: Present and Perspectives offers a comprehensive understanding of metal-air batteries as well as the solutions to the issues for overcoming the related difficulties of the secondary (rechargeable) system. Although metal-air batteries are widely studied as low-cost high-energy systems, their commercialization is limited to primary ones due to currently limited cycle life and insufficient reliability. For realization of the secondary systems, this book offers comprehensive understanding of metal-air batteries, including the details of both electrodes, electrolyte, cell/system, modelling and applications. Electrochemical Power Sources: Fundamentals, Systems, and Applications – Metal–Air Batteries: Present and Perspectives provides researchers, instructors, and students in electrochemistry, material science and environmental science; industry workers in cell manufacturing; and government officials in energy, environmental, power supply, and transportation with a valuable resource covering the most important topics of metal-air batteries and their uses. - Outlines the general characteristics of metal-air compared with conventional batteries - Offers a comprehensive understanding of various metal-air, featuring zinc, and lithium - Contains comparisons and issues among various metal-air batteries and research efforts to solve them - Includes applications and market prospects

Analytical Electrochemistry

Author : Joseph Wang
Publisher : John Wiley & Sons
ISBN 13 : 0471460796
Total Pages : 228 pages
Book Rating : 4.4/5 (714 download)

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Book Synopsis Analytical Electrochemistry by : Joseph Wang

Download or read book Analytical Electrochemistry written by Joseph Wang and published by John Wiley & Sons. This book was released on 2004-03-24 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: The critically acclaimed guide to the principles, techniques, and instruments of electroanalytical chemistry-now expanded and revised Joseph Wang, internationally renowned authority on electroanalytical techniques, thoroughly revises his acclaimed book to reflect the rapid growth the field has experienced in recent years. He substantially expands the theoretical discussion while providing comprehensive coverage of the latest advances through late 1999, introducing such exciting new topics as self-assembled monolayers, DNA biosensors, lab-on-a-chip, detection for capillary electrophoresis, single molecule detection, and sol-gel surface modification. Along with numerous references from the current literature and new worked-out examples, Analytical Electrochemistry, Second Edition offers clear, reader-friendly explanations of the fundamental principles of electrochemical processes as well as important insight into the potential of electroanalysis for problem solving in a wide range of fields, from clinical diagnostics to environmental science. Key topics include: The basics of electrode reactions and the structure of the interfacial region Tools for elucidating electrode reactions and high-resolution surface characterization An overview of finite-current controlled potential techniques Electrochemical instrumentation and electrode materials Principles of potentiometric measurements and ion-selective electrodes Chemical sensors, including biosensors, gas sensors, solid-state devices, and sensor arrays

Energy Research Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 366 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1993-02 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electrochemical Deposition of Zinc Oxide Thin Films

Author : Tianjing Han
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (164 download)

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Book Synopsis Electrochemical Deposition of Zinc Oxide Thin Films by : Tianjing Han

Download or read book Electrochemical Deposition of Zinc Oxide Thin Films written by Tianjing Han and published by . This book was released on 2006 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AFM Assisted Local Electrochemical Deposition and Characterization of Zinc Oxide Islands

Author : Nicholas Alexander Polomoff
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (232 download)

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Book Synopsis AFM Assisted Local Electrochemical Deposition and Characterization of Zinc Oxide Islands by : Nicholas Alexander Polomoff

Download or read book AFM Assisted Local Electrochemical Deposition and Characterization of Zinc Oxide Islands written by Nicholas Alexander Polomoff and published by . This book was released on 2008 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

CRC Concise Encyclopedia of Nanotechnology

Author : Boris Ildusovich Kharisov
Publisher : CRC Press
ISBN 13 : 1466580895
Total Pages : 1203 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis CRC Concise Encyclopedia of Nanotechnology by : Boris Ildusovich Kharisov

Download or read book CRC Concise Encyclopedia of Nanotechnology written by Boris Ildusovich Kharisov and published by CRC Press. This book was released on 2016-01-06 with total page 1203 pages. Available in PDF, EPUB and Kindle. Book excerpt: The CRC Concise Encyclopedia of Nanotechnology sets the standard against which all other references of this nature are measured. As such, it is a major resource for both skilled professionals and novices to nanotechnology.The book examines the design, application, and utilization of devices, techniques, and technologies critical to research at the

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Nanoscience and Technology

Author :
Publisher : Academic Press
ISBN 13 : 0123743966
Total Pages : 2785 pages
Book Rating : 4.1/5 (237 download)

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Book Synopsis Comprehensive Nanoscience and Technology by :

Download or read book Comprehensive Nanoscience and Technology written by and published by Academic Press. This book was released on 2010-10-29 with total page 2785 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other.

Zinc Oxide Based Nano Materials and Devices

Author : , Prof. Dr. Ahmed Nahhas
Publisher : BoD – Books on Demand
ISBN 13 : 1789239575
Total Pages : 148 pages
Book Rating : 4.7/5 (892 download)

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Book Synopsis Zinc Oxide Based Nano Materials and Devices by : , Prof. Dr. Ahmed Nahhas

Download or read book Zinc Oxide Based Nano Materials and Devices written by , Prof. Dr. Ahmed Nahhas and published by BoD – Books on Demand. This book was released on 2019-10-09 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a review of recent advances in ZnO-based nanomaterials and devices. ZnO as a nanomaterial has gained substantial interest in the research area of wide bandgap semiconductors and is considered to be one of the major candidates for electronic and photonic applications. ZnO has distinguished and interesting electrical and optical properties and is considered to be a potential material in optoelectronic applications such as solar cells, surface acoustic wave devices, and UV emitters. ZnO's unique properties have attracted several researchers to study its electrical and optical properties. As a nanostructured material, ZnO exhibits many advantages for nanodevices. Moreover, it has the ability to absorb the UV radiation.

Advances in Analytical Features of Electrochemical Methods for the Analysis of Complicated Real Samples

Author : Masoud Fouladgar
Publisher : Frontiers Media SA
ISBN 13 : 2832553737
Total Pages : 88 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Advances in Analytical Features of Electrochemical Methods for the Analysis of Complicated Real Samples by : Masoud Fouladgar

Download or read book Advances in Analytical Features of Electrochemical Methods for the Analysis of Complicated Real Samples written by Masoud Fouladgar and published by Frontiers Media SA. This book was released on 2024-08-23 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the challenges in Analytical chemistry is the analysis of complicated real samples. Analytical methods commonly suffer from interference and several limitations for the analysis of these samples. These limitations may be due to inherent problems of method or the nature of the sample matrix. Although electrochemical methods have several advantages, they are not exempt from this rule. Different parameters should be investigated to improve electrochemical methods for the analysis of real samples, selectivity being the most important. Inherent selectivity of dynamic electrochemical techniques is achieved when the analyte reacts in different values of applied parameters compared to potentially interfering species. In other words, the choice of applied parameter (e.g. potential in voltammetry) determines the selectivity of the measurement.