Download or read book Pyrolysis of Carbon Doped ZnO Nanoparticles for Solar Cell Application written by Luyolo Ntozakhe and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is very important to find new methods for improving the properties of nanostructured materials that can be used to replace the highly expensive and complicated techniques of fabricating ZnO nano-powders for solar cell applications. Pneumatic spray pyrolysis method offers a relatively inexpensive way of fabricating ZnO nanomaterials of controllable morphology, good crystallinity and uniform size distribution, which makes it a good candidate for the production of ZnO nanoparticles. Additionally, it has the advantage of producing ZnO NPs in one step directly on the substrate without the need for other wet chemistry processes like purification, drying and calcination. To that end, the present study emphasizes more on the design and optimization of spray pyrolysis system as well as on the pneumatic spray pyrolysis conditions for the production of carbon-doped ZnO nanoparticles. The un-doped and carbon-doped ZnO NPs were prepared using pneumatic spray pyrolysis employing zinc acetate as a precursor solution and tetrabutylammonium as a dopant. The fabricated un-doped and C-ZnO NPs were characterized for their morphological, structural and optical properties using SEMEDX, XRD and DRS. SEM analysis has revealed that the fabricated un-doped and C-ZnO NPs have spherical shape with mesoporous morphology. The cross-sectional SEM has also revealed that the film thickness changes with increasing dopant concentration from 0.31 to 0.41¬†Œom at higher concentrations. Moreover, the EDX spectra have confirmed the presence of Zn and O atoms in the PSP-synthesized ZnO NPs. XRD analysis of both un-doped and C-ZnO has revealed the peaks belonging to hexagonal Wurtzite structure of ZnO. Additionally, the DRS has revealed a decrease in energy band gap of the synthesized ZnO NPs, with the increase in carbon dopant level.
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.
Download or read book Sustainable Green Catalytic Processes written by Mousumi Sen and published by John Wiley & Sons. This book was released on 2024-09-04 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: This groundbreaking book offers an in-depth description of sustainable green catalytic processes that have emerged as the means to empower the existing protocols with greener, sustainable, and environmentally benign versions that hold enormous potential in industry and society. Growing worldwide concerns about environmental pollution and global warming have directed the attention of scientists towards approaches for developing sustainable protocols, and the need for employing greener and more sustainable catalytic approaches that are environmentally greener and more eco-friendly than current ones. Green and sustainable catalysts are the one class of catalysts that possess higher selectivity and activity, efficient recovery from the reaction medium, recyclability, cost-effectiveness and are prepared using environmentally benign preparation techniques. The most potent instrument in organic synthesis, and the cornerstone of green chemistry, is catalysis which has broadened the possibilities for organic transformations in the direction of a sustainable future. The catalyst has been playing a vital role, from the improvement of reaction conditions to enhanced selectivity towards the intended product and a decrease in the creation of byproducts. The purpose of this book is to highlight the developments made towards designing new catalysts (homogeneous, heterogeneous, organocatalyst, nanocatalyst, photocatalyst, nanophotocatalyst, biocatalyst, nanobiocatalyst, metal catalyst etc,.) and present the advancements in the field of chemical synthesis using greener catalytic routes with far-reaching applications. The other environmentally friendly method is the enzymatic synthesis of organic molecules, which substitutes safe reagents for those that imitate the biosynthetic route to synthesize the desired organic molecules. With its ability to produce transformations that occasionally enable the reduction of steps in a synthetic route, biophotocatalysis has long been recognized as a green technology and key to creating environmentally friendly and sustainable chemistry. The employment of sustainable green processes on the most crucial reaction steps of the synthetic protocol satisfies contemporary needs for environmentally friendly operations during the creation of valuable chemicals. Readers will find the book: details new catalysts development designs (homo and heterogeneous); presents the advancement of organic synthesis using greener catalytic routes with far-reaching applications; elaborates on preparation techniques for green and sustainable catalysts that possess higher activity, efficient recovery, and cost-effectiveness; discusses how to epitomize a green approach towards the preparation of organic moieties via enzymatic synthesis; analyzes nano-catalysis with green-based reagents and solvents that allow producers to follow the fundamental pillars of the green economy; elucidates green chemistry’s principles and metrics of the chemical’s life cycle and design through disposal. Audience The core audiences for this book include scientists and engineers working in green chemistry, materials science, photocatalysts, biotechnology, nanotechnology, waste minimization, and sustainability. This book is an excellent resource for graduate students, R&D experts, and researchers in academic and industrial fields of chemical synthesis.
Download or read book Synthesis of Modified Zinc Oxide Nanoparticles Using Pneumatic Spray Pyrolysis for Solar Cell Application written by Luyolo Ntozakhe and published by . This book was released on 2017 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 4th International Conference on Nanotechnologies and Biomedical Engineering written by Ion Tiginyanu and published by Springer Nature. This book was released on 2019-09-17 with total page 835 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the proceedings of the 4th International Conference on Nanotechnologies and Biomedical Engineering, held on September 18-21, 2019, in Chisinau, Republic of Moldova. It continues the tradition of the previous conference proceedings, thus reporting on both fundamental and applied research at the interface between nanotechnologies and biomedical engineering. Topics include: developments in bio-micro/nanotechnologies and devices; biomedical signal processing; biomedical imaging; biomaterials for biomedical applications; biomimetics; bioinformatics and e-health, and advances in a number of related areas. The book offers a timely snapshot of cutting-edge, multidisciplinary research and developments in the field of biomedical and nano-engineering.
Download or read book Zinc Oxide Nanostructures Synthesis and Characterization written by Sotirios Baskoutas and published by MDPI. This book was released on 2018-12-04 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Zinc Oxide Nanostructures: Synthesis and Characterization" that was published in Materials
Download or read book Nanomaterials for Solar Cell Applications written by Sabu Thomas and published by Elsevier. This book was released on 2019-06-12 with total page 761 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomaterials for Solar Cell Applications provides a review of recent developments in the field of nanomaterials based solar cells. It begins with a discussion of the fundamentals of nanomaterials for solar calls, including a discussion of lifecycle assessments and characterization techniques. Next, it reviews various types of solar cells, i.e., Thin film, Metal-oxide, Nanowire, Nanorod and Nanoporous materials, and more. Other topics covered include a review of quantum dot sensitized and perovskite and polymer nanocomposites-based solar cells. This book is an ideal resource for those working in this evolving field of nanomaterials and renewable energy. - Provides a well-organized approach to the use of nanomaterials for solar cell applications - Discusses the synthesis, characterization and applications of traditional and new material - Includes coverage of emerging nanomaterials, such as graphene, graphene-derivatives and perovskites
Download or read book Nanophotocatalysis and Environmental Applications written by Inamuddin and published by Springer. This book was released on 2019-03-14 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves the environmentalists to track the development of photocatalytic materials and technology in the present context and to explore future trends. Photocatalysis is the most influential greener technology being researched, developed and adopted for the treatment of wastewater. The technological advancements in the area of smart hybrid photocatalytic materials have gained momentum in the present era. The rational designing of photocatalytic materials with a multi-pronged approach opens a new chapter for environmental detoxification. Other important aspects relate to the transfer of this nanostructured photocatalytic technology to real backdrops. Harnessing natural solar energy for energy and environmental roles is another crucial criterion in designing photocatalysts.
Download or read book Proceedings of the 4th International Symposium on Materials and Sustainable Development written by Abdelbaki Benmounah and published by Springer Nature. This book was released on 2020-10-24 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the proceedings of the 4th International Symposium on Materials and Sustainable Development ISMSD2019 (CIMDD2019), will include a 3-day Conference (12 - 14 November). Organized by the Research Unit: Materials, Processes and Environment and M'hamed Bougara University of Boumerdes (Algeria) in partnership with University of Reims - Champagne-Ardenne (France), this symposium follows the success of CIMDD 2013-2015-2017 and continues the traditions of the highly successful series of International Conferences on the materials, processes and Environment. The Symposium will provide a unique topical forum to share the latest results of the materials and sustainable development research in Algeria and worldwide.
Download or read book Advanced Materials for Solid State Lighting written by Vijay Kumar and published by Springer Nature. This book was released on 2023-07-25 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the synthesis, luminescence, and applications of rare earth-doped phosphors materials for solid-state lighting. Solid-state lighting is turning into a leading technology in the lighting industry, permitting improvement in the fields from architectural to domestic applications. Driven with the aid of using ongoing multi-field research, solid-state lighting needs an improvement of various technologies: efficient and reliable light-emitting devices, devices for new functionalities, and optical solutions for beam shaping. Noteworthy research endeavors were aimed to find out eco-friendly, better performance, cost, and energy-efficient phosphor materials for the application in solid-state lighting devices. Power phosphor materials with advanced optical and photoluminescence properties in a wide range of areas have shared the research efforts in this sector aimed in the direction of achieving better material features. Rare earth ion-doped phosphor materials have been the subject of scientific interest because of their significant applications in a variety of fields such as display devices, temperature sensors, solar cells, bio-imaging, and optoelectronics devices. This book covers the broad aspects of organic and inorganic materials based on phosphor materials and is beneficial to researchers involved in these areas. This book is specially designed to provide an introductory concept of luminescent materials, particularly man-made (artificial) phosphors in a language comprehensible to beginners and students. The book also includes some new materials with promising technologies and upgraded properties that expose new potential possibilities are also highlighted.
Download or read book Zinc Oxide Nanostructures written by Magnus Willander and published by CRC Press. This book was released on 2014-07-22 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zinc oxide (ZnO) in its nanostructured form is emerging as a promising material with great potential for the development of many smart electronic devices. This book presents up-to-date information about various synthesis methods to obtain device-quality ZnO nanostructures. It describes both high-temperature (over 100 C) and low-temperature (under
Download or read book Renewable and Clean Energy Systems Based on Advanced Nanomaterials written by Sahar Zinatloo-Ajabshir and published by Elsevier. This book was released on 2024-07-04 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Renewable and Clean Energy Systems Based on Advanced Nanomaterials: Basis, Preparation and Applications describes the fundamental aspects of a diverse range of nanomaterials used in the fields of renewable and clean energy. Various methods of preparing several different nanomaterials for green energy systems, such as advanced nanomaterials for solar cells, mixed metal oxide-based nanomaterials for hydrogen storage, and active nanomaterials for Li ion batteries are presented along with their advantages, disadvantages, and applications. Chapters also discuss novel methods of power analysis, frequency regulation methods, practical applications of solar panels, economic efficiency of solar energy, solar physics, and much more.This is a valuable resource on the basic science, preparation methods, and practical applications of advanced nanomaterials for green energy systems. - Features recent advances on nanomaterials preparation methods and their applications in photovoltaic technology - Discusses sustainable strategies for producing large-scale nanomaterials, focusing on preparation techniques that are cost-effective and eco-friendly - Reviews the efficiency of nanomaterials used in solar energy storage and conversion
Download or read book Lanthanide Based Multifunctional Materials written by and published by Elsevier. This book was released on 2018-06-26 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lanthanide-Based Multifunctional Materials: From OLEDs to SIMs serves as a comprehensive and state-of the art review on these promising compounds, delivering a panorama of their extensive and rapidly growing applications. After an introductory chapter on the theoretical description of the optical and magnetic behaviour of lanthanides and on the prediction of their properties by ab-initio methods, four chapters are devoted to lanthanide-based OLEDs, including the latest trends in visible emitters, the emerging field of near infrared emitters and the first achievements attained in the field of chiral OLEDs. The use of lanthanide complexes as molecular magnets spreads over another two chapters, which explain the evolution of 4f-elements-based SIMs and the most recent advances in heterometallic 3d–4f SMMs. Other very active research areas are covered in the remaining five chapters, dedicated to lanthanide-doped germanate and tellurite glasses, luminescent materials for up-conversion, luminescent thermosensors, multimodal imaging and therapeutic agents, and chemosensors. The book is aimed at academic and industrial researchers, undergraduates and postgraduates alike, and is of particular interest for the Materials Science, Applied Physics and Applied Chemistry communities. Includes the latest progress on lanthanide-based materials and their applications (in OLEDs, SIMs, doped matrices, up-conversion, thermosensors, theragnostics and chemosensors) Presents basic and applied aspects of the Physics and Chemistry of lanthanide compounds, as well as future lines of action Covers successful examples of devices and proofs-of-concept and provides guidelines for the rational design of new materials
Download or read book Simple Chemical Methods for Thin Film Deposition written by Babasaheb R. Sankapal and published by Springer Nature. This book was released on 2023-07-02 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores chemical methods for thin film deposition with diverse nanostructured morphology and their applications. Unlike top-down techniques, chemical methods offer low cost, simplicity, and growth of nanostructured surface architecture with ease of small to large-scale area deposition. The book primarily focuses on innovative twelve chemical methods for thin-film deposition on one platform. Since each method has its own advantages and disadvantages, it is crucial to select the specific method for specific material to be deposited depending upon what type of application is targeted. Due to inclusive of diverse chemical deposition methods, researcher will have knowledge about best choice of the deposition method to be adopted. Inclusive methods discussed in the book are chemical bath deposition, successive ionic layer adsorption and reaction, ion exchange, electroless deposition, electrodeposition, hydrothermal, spray pyrolysis, spin coating, dip coating, doctor blade, screen printing, and sol-gel. The selection of the correct procedure for material to be deposited in thin film form depends on its unique process parameters based on the kind of application and its requirement. The role of preparative factors necessary for thin film alters properties related to structure and surface morphology, electrical conductivity and optical band gap which have been extensively discussed along with the underlying science of film synthesis. The book provides a comprehensive overview of the field of chemical methods for thin film synthesis to applications. In addition to synthesis, the book covers characterization, instrumentation, and industrial application of thin films. As a result, concentrated techniques will be of great interest to university/college professors, students and new engineers as well as postdocs and scientists in the area.
Download or read book Solar Collectors and Panels written by Reccab Manyala and published by BoD – Books on Demand. This book was released on 2010-10-05 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a quick read for experts, researchers as well as novices in the field of solar collectors and panels research, technology, applications, theory and trends in research. It covers the use of solar panels applications in detail, ranging from lighting to use in solar vehicles.
Download or read book Nanocomposite Materials written by Jyotishkumar Parameswaranpillai and published by CRC Press. This book was released on 2016-09-19 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive collection of the latest information on nanomaterials and nanocomposites. It covers material synthesis, processing, structure characterization, properties and applications. It presents a coherent treatment of how composite properties depend on nanostructure, and covers cutting-edge topics like bionanocomposites for sustainable development. This book summarizes many developments in the field making it an ideal resource for researchers from industry, academia, government and private research institutions.
Download or read book Green and Sustainable Approaches Using Wastes for the Production of Multifunctional Nanomaterials written by Abhishek Kumar Bhardwaj and published by Elsevier. This book was released on 2024-01-19 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green and Sustainable Approaches Using Wastes for the Production of Multifunctional Nanomaterials focuses on the examination of green synthesis utilizing green waste materials derived from home and industrial applications. This book also examines the current state of material generations, future problems and their industrial constraints, and the synthesis of NMs for various applications such as medicinal, agriculture, environmental, food and beverage storage, and so on. The book includes the most recent practical and theoretical aspects of the use of waste materials released in the fabrication of various types of valuable nanomaterials, such as metal, metal oxide, polymeric, and graphene, among others. This is a relatively new concept in waste utilization, and green synthesis is a viable resource in making NPs. This book will also be valuable for waste management professionals who need proper disposal techniques for by-products. - Provides various types of waste management helps to develop innovative ideas - Discusses waste to valuable wealth, waste resources management, approaches to focus sustainable development, pollution reduction, and alternative options for smooth recovery of resources - Contains advanced information about green nanotechnology
