Optical And Structural Characterization Of Gan Based Hybrid Structures And Nanorods

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Optical and Structural Characterization of GaN Based Hybrid Structures and Nanorods

Author : Mathias Forsberg
Publisher : Linköping University Electronic Press
ISBN 13 : 9175191415
Total Pages : 62 pages
Book Rating : 4.1/5 (751 download)

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Book Synopsis Optical and Structural Characterization of GaN Based Hybrid Structures and Nanorods by : Mathias Forsberg

Download or read book Optical and Structural Characterization of GaN Based Hybrid Structures and Nanorods written by Mathias Forsberg and published by Linköping University Electronic Press. This book was released on 2015-01-29 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: GaN belongs to the group III nitrides and is today the material of choice for efficient blue light emission, enabling solid state white lighting by combining red, blue and green light emitting diodes (LED) or by having a blue LED illuminating a phosphor. By combining GaN quantum well (QW) structures with colloids, nanoparticles or polyfluorene films, LEDs may be fabricate at lower cost. Such hybrid structures are promising for future micro-light sources in full-color displays, sensors and imaging systems. In this work, hybrid structures based on an MOCVD grown GaN QW sandwiched between two layers of AlGaN have been studied. On top of the structure, colloidal ZnO nano-crystals were deposited by spin-coating. Time-resolved photoluminescence was used to investigate the QW exciton dynamics in these hybrids depending on the cap layer thickness. From comparison of the recombination rate in the bare QW structure and the hybrid, the efficiency of the non-radiative resonant energy transfer between the QW and the nano-crystals could be obtained. Bulk GaN of large area is difficult to synthesize. Thus, due to lack of native substrates, GaN-based structures are grown on SiC or sapphire, which results in high threading dislocation density in the active layer of the device. Fabricating GaN nanorods (NR) can be a way to produce GaN with lower defect density since threading dislocations are annihilated toward the NR wall during growth. Here, GaN(0001) NRs grown on Si(111) substrates by magnetron sputter epitaxy using a liquid Ga target have been investigated. Sputter deposition has the advantage of being easy to scale up for depositions on large surfaces. It is also possible to deposit at lower temperatures, which allows the use of substrates with lower decomposition temperature. In the second paper of this thesis, optical and structural properties of sputtered GaN NRs have been studied.

Synthesis and Applications of Nanoparticles

Author : Atul Thakur
Publisher : Springer Nature
ISBN 13 : 9811668191
Total Pages : 546 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Synthesis and Applications of Nanoparticles by : Atul Thakur

Download or read book Synthesis and Applications of Nanoparticles written by Atul Thakur and published by Springer Nature. This book was released on 2022-06-20 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides thorough information on various nanomaterials, techniques for their synthesis and characterization, and examines their agricultural, environmental, biomedical, and clinical applications. The initial part of the book presents different nanomaterials; covers various physical, chemical, and biological methods for their synthesis; and reviews techniques to characterize their physicochemical and biological properties. Subsequently, the chapters of the book focus on the innovative applications of nanomaterials in disease diagnosis, tissue engineering, regenerative medicine, and cancer therapy. It also explores the green biosynthesis of nanomaterials and highlights their biological applications. Towards the end, the book examines the toxicity and biocompatibility of various nanomaterials. It aims to serve as a resource guide for researchers and biomedical clinicians working with nanomaterials.

Conducting Polymer-Based Nanocomposites

Author : Ayesha Kausar
Publisher : Elsevier
ISBN 13 : 0128224649
Total Pages : 308 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Conducting Polymer-Based Nanocomposites by : Ayesha Kausar

Download or read book Conducting Polymer-Based Nanocomposites written by Ayesha Kausar and published by Elsevier. This book was released on 2021-04-22 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conducting Polymer-Based Nanocomposites: Fundamentals and Applications delivers an up-to-date overview on cutting-edge advancements in the field of nanocomposites derived from conjugated polymeric matrices. Design of conducting polymers and resultant nanocomposites has instigated significant addition in the field of modern nanoscience and technology. Recently, conducting polymer-based nanocomposites have attracted considerable academic and industrial research interest. The conductivity and physical properties of conjugated polymers have shown dramatic improvement with nanofiller addition. Appropriate fabrication strategies and the choice of a nanoreinforcement, along with a conducting matrix, may lead to enhanced physicochemical features and material performance. Substantial electrical conductivity, optical features, thermal stability, thermal conductivity, mechanical strength, and other physical properties of the conducting polymer-based nanocomposites have led to high-performance materials and high-tech devices and applications. This book begins with a widespread impression of state-of-the-art knowledge in indispensable features and processing of conducting polymer-based nanocomposites. It then discusses essential categories of conducting polymer-based nanocomposites such as polyaniline, polypyrrole, polythiophene, and derived nanomaterials. Subsequent sections of this book are related to the potential impact of conducting polymer-based nanocomposites in various technical fields. Significant application areas have been identified for anti-corrosion, EMI shielding, sensing, and energy device relevance. Finally, the book covers predictable challenges and future opportunities in the field of conjugated nanocomposites. - Integrates the fundamentals of conducting polymers and a range of multifunctional applications - Describes categories of essential conducting polymer-based nanocomposites for polyaniline, polypyrrole, polythiophene, and derivative materials - Assimilates the significance of multifunctional nanostructured materials of nanocomposite nanofibers - Portrays current and future demanding technological applications of conjugated polymer-based nanocomposites, including anti-corrosion coatings, EMI shielding, sensors, and energy production and storage devices

Nanostructured Zinc Oxide

Author : Kamlendra Awasthi
Publisher : Elsevier
ISBN 13 : 0128189010
Total Pages : 781 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Nanostructured Zinc Oxide by : Kamlendra Awasthi

Download or read book Nanostructured Zinc Oxide written by Kamlendra Awasthi and published by Elsevier. This book was released on 2021-08-10 with total page 781 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured Zinc Oxide covers the various routes for the synthesis of different types of nanostructured zinc oxide including; 1D (nanorods, nanowires etc.), 2D and 3D (nanosheets, nanoparticles, nanospheres etc.). This comprehensive overview provides readers with a clear understanding of the various parameters controlling morphologies. The book also reviews key properties of ZnO including optical, electronic, thermal, piezoelectric and surface properties and techniques in order to tailor key properties. There is a large emphasis in the book on ZnO nanostructures and their role in optoelectronics. ZnO is very interesting and widely investigated material for a number of applications. This book presents up-to-date information about the ZnO nanostructures-based applications such as gas sensing, pH sensing, photocatalysis, antibacterial activity, drug delivery, and electrodes for optoelectronics. - Reviews methods to synthesize, tailor, and characterize 1D, 2D, and 3D zinc oxide nanostructured materials - Discusses key properties of zinc oxide nanostructured materials including optical, electronic, thermal, piezoelectric, and surface properties - Addresses most relevant zinc oxide applications in optoelectronics such as light-emitting diodes, solar cells, and sensors

Semiconductor Materials and Technology

Author : Mohd Syamsul Nasyriq
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3035736812
Total Pages : 246 pages
Book Rating : 4.0/5 (357 download)

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Book Synopsis Semiconductor Materials and Technology by : Mohd Syamsul Nasyriq

Download or read book Semiconductor Materials and Technology written by Mohd Syamsul Nasyriq and published by Trans Tech Publications Ltd. This book was released on 2020-03-10 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: International Conference on Semiconductor Materials and Technology (ICoSeMT 2019) Selected, peer reviewed papers from the International Conference on Semiconductor Materials and Technology (ICoSeMT 2019), 29-30 April, 2019, Penang, Malaysia

Green Synthesis, Characterization and Applications of Nanoparticles

Author : Ashutosh Kumar Shukla
Publisher : Elsevier
ISBN 13 : 0081025807
Total Pages : 552 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Green Synthesis, Characterization and Applications of Nanoparticles by : Ashutosh Kumar Shukla

Download or read book Green Synthesis, Characterization and Applications of Nanoparticles written by Ashutosh Kumar Shukla and published by Elsevier. This book was released on 2018-11-26 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green Synthesis, Characterization and Applications of Nanoparticles shows how eco-friendly nanoparticles are engineered and used. In particular, metal nanoparticles, metal oxide nanoparticles and other categories of nanoparticles are discussed. The book outlines a range of methodologies and explores the appropriate use of each. Characterization methods include spectroscopic, microscopic and diffraction methods, but magnetic resonance methods are also included as they can be used to understand the mechanism of nanoparticle synthesis using organisms. Applications covered include targeted drug delivery, water purification and hydrogen generation. This is an important research resource for those wishing to learn more about how eco-efficient nanoparticles can best be used. Theoretical details and mathematical derivations are kept to a necessary minimum to suit the need of interdisciplinary audiences and those who may be relatively new to the field. - Explores recent trends in growth, characterization, properties and applications of nanoparticles - Gives readers an understanding on how they are applied through the use of case studies and examples - Assesses the advantages and disadvantages of a variety of synthesis and characterization techniques for green nanoparticles in different situations

Zinc Oxide Nanostructures

Author : Magnus Willander
Publisher : CRC Press
ISBN 13 : 9814411345
Total Pages : 225 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Zinc Oxide Nanostructures by : Magnus Willander

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

Optics of Nanomaterials

Author : Vladimir I. Gavrilenko
Publisher : CRC Press
ISBN 13 : 1351358375
Total Pages : 322 pages
Book Rating : 4.3/5 (513 download)

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Book Synopsis Optics of Nanomaterials by : Vladimir I. Gavrilenko

Download or read book Optics of Nanomaterials written by Vladimir I. Gavrilenko and published by CRC Press. This book was released on 2019-11-08 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomaterials are mainly categorized into three groups: fundamental building blocks, dispersions or composites of building blocks in randomly ordered matrices, and spatially resolved, ordered nanostructures. Today, nanomaterials that offer some unique optical properties may find application as pure materials or may be integrated into larger structures. This book presents examples of both pure and composite materials that include organic–inorganic nanocomposites and quantum dots embedded into different matrices for various applications in modern nanotechnology. This edition has been thoroughly revised and updated with the most recent developments in the field. The newly added introductory paragraphs will help students and young researchers in better understanding the chapters. The new sections on frequently used physical constants and units conversions as well as the updated bibliography add to the book’s utility. This textbook is unique compared with its counterparts in the market in respect of its scope as it contains introductory sections to the important topics on nanomaterial optics. This feature broadens its readership from engineers and researchers working in the field of materials science and optics, to lecturers, graduate students, and beginners who want to deepen their knowledge in nanomaterial optics.

Nano-enabled Agrochemicals in Agriculture

Author : Mansour Ghorbanpour
Publisher : Academic Press
ISBN 13 : 0323910106
Total Pages : 570 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Nano-enabled Agrochemicals in Agriculture by : Mansour Ghorbanpour

Download or read book Nano-enabled Agrochemicals in Agriculture written by Mansour Ghorbanpour and published by Academic Press. This book was released on 2022-03-12 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nano-Enabled Agrochemicals in Agriculture presents a targeted overview of the safe implementation of nanotechnologies within agricultural and horticultural settings, with the purpose of achieving enhanced production while maintaining ecological integrity. The growing global request for agricultural crops and products requires high standards of quality and safety, which has stimulated the search for new technologies that preserve their quality and delay their decomposition. Nanotechnology may boost plant production by improving nutrient uptake/use efficiency with nanoformulations of fertilizers and agrochemicals for plant enhancement, detection and treatment of diseases, and host-parasite interactions at the molecular level using nanosensors. It also may improve plant disease diagnostics, removal of contaminants from soil and water, postharvest management of vegetables and flowers, and reclamation of salt-affected soils. Although the markets for nanoproducts and nanoformulations continue to increase, there are also growing concerns regarding the fate and behavior of nanomaterials in environmental systems. Exploring important topics related to nanotechnology and nanomaterials, the book includes the use of nanochemicals in insect pest management, as nanofungicides, nanoherbicides, micronutrient supply, and nanosensors to monitor crop and soil health conditions, from detection of agrochemicals to their slow release of agrochemicals, and their impact on related environs. This book will serve as an excellent resource for a wide range of plant scientists who have concerns about nanomaterial interactions with terrestrial and aquatic plants. - Focuses on emerging important topics related to nanotechnology and nanomaterials on agricultural systems - Emphasizes new applications of nanomaterials in the agricultural sciences, from fertilizers to irrigation systems - Addresses concerns about nanomaterial interactions with terrestrial and aquatic plants

Light-Nanomaterial Interactions for Energy Efficient Nanophotonic Devices

Author : Han Lin
Publisher : Frontiers Media SA
ISBN 13 : 2889760308
Total Pages : 82 pages
Book Rating : 4.8/5 (897 download)

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Book Synopsis Light-Nanomaterial Interactions for Energy Efficient Nanophotonic Devices by : Han Lin

Download or read book Light-Nanomaterial Interactions for Energy Efficient Nanophotonic Devices written by Han Lin and published by Frontiers Media SA. This book was released on 2022-11-29 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ZnO and Their Hybrid Nano-Structures

Author : Gaurav Sharma
Publisher : Materials Research Forum LLC
ISBN 13 : 1644902397
Total Pages : 333 pages
Book Rating : 4.6/5 (449 download)

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Book Synopsis ZnO and Their Hybrid Nano-Structures by : Gaurav Sharma

Download or read book ZnO and Their Hybrid Nano-Structures written by Gaurav Sharma and published by Materials Research Forum LLC. This book was released on 2023-06-05 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: ZnO and its hybrid nanostructures have unique optical, physical and chemical properties. The book covers recent trends in processing techniques and applications. Topics include solar cells, photo-voltaic devices, fuel cells, uv filters, lasers, light-emitting diodes, photo-detectors, spin-tronic devices, magnetic semiconductors, nano-generators, piezotronics, photo-catalytic applications against harmful organic pollutants like dyes, heavy metals, antibiotics, and sensors such as bio sensors, chemical sensors, gas sensors. Keywords: ZnO, Nano ZnO, Point Defects, Magnetic Semiconductors, Hybrid Nanostructures, Cell Applications, Nanoadsorbant for Heavy Metal Removals, Diagnostics, ZnO Nano-Carriers, ZnO Thin Films Fabrication.

Advances in Nanostructured Composites

Author : Mahmood Aliofkhazraei
Publisher : CRC Press
ISBN 13 : 0429664311
Total Pages : 450 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Advances in Nanostructured Composites by : Mahmood Aliofkhazraei

Download or read book Advances in Nanostructured Composites written by Mahmood Aliofkhazraei and published by CRC Press. This book was released on 2019-07-25 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first volume of this book covered Section I: Introduction to Nanocomposites Fabrication and Section II: CNT and Graphene Nanocomposites. The present second volume covers Section III: Recent Applications of Nanocomposites. The second volume aims to provide a guide for different applications of modern nanocomposites especially those fabricated by carbon nanotubes and graphene. The book makes a comparative study of fiber-reinforced composites which have been embedded into the matrix with nanocomposites containing nanotubes in place of fibers. The main topics of this volume are: Electrochemical Properties of Nanoporous Based Materials, Fabrication and Application of Graphene Oxide-based Metal and Metal Oxide Nanocomposites, Electrochemical Sensors/Biosensors Based on Carbon Aerogels/Xerogels, Advances in Nanobiocatalysis: Strategies for Lipase Immobilization and Stabilization, Metal Oxide Based Heterojunction Nanoscale Materials for Chemiresistive Gas Sensors, Recent Advances in Polymer Nanocomposite Coatings for Corrosion Protection, Recent Advances in the Design of Nanocomposite Materials via Laser Techniques for Biomedical Applications, Carbonaceous Nanostructured Composites for Electrochemical Power Sources: Fuel Cells, Supercapacitors and Batteries, Bismuth Vanadate Based Nanostructured and Nanocomposite Photocatalyst Materials for Water Splitting Application.

Noble Metal-Metal Oxide Hybrid Nanoparticles

Author : Satyabrata Mohapatra
Publisher : Elsevier
ISBN 13 : 0128141352
Total Pages : 675 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Noble Metal-Metal Oxide Hybrid Nanoparticles by : Satyabrata Mohapatra

Download or read book Noble Metal-Metal Oxide Hybrid Nanoparticles written by Satyabrata Mohapatra and published by Elsevier. This book was released on 2018-10-11 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noble Metal-Metal Oxide Hybrid Nanoparticles: Fundamentals and Applications sets out concepts and emerging applications of hybrid nanoparticles in biomedicine, antibacterial, energy storage and electronics. The hybridization of noble metals (Gold, Silver, Palladium and Platinum) with metal-oxide nanoparticles exhibits superior features when compared to individual nanoparticles. In some cases, metal oxides act as semiconductors, such as nano zinc oxide or titanium oxide nanoparticles, where their hybridization with silver nanoparticles, enhanced significantly their photocatalytic efficiency. The book highlights how such nanomaterials are used for practical applications. - Examines the properties of metal-metal oxide hybrid nanoparticles that make them so adaptable - Explores the mechanisms by which nanoparticles interact with each other, showing how these can be exploited for practical applications - Shows how metal oxide hybrid nanomaterials are used in a range of industry sectors, including energy, the environment and healthcare

Recent Advances in Nanotechnology

Author : Zishan Husain Khan
Publisher : Springer Nature
ISBN 13 : 9819946859
Total Pages : 582 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Recent Advances in Nanotechnology by : Zishan Husain Khan

Download or read book Recent Advances in Nanotechnology written by Zishan Husain Khan and published by Springer Nature. This book was released on 2023-10-09 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume comprises the select peer-reviewed proceedings of the International Conference on Nanotechnology: Opportunities and Challenges (ICNOC22). It aims to provide a comprehensive and broad-spectrum picture of the state-of-the-art research and development in nanomaterials, nanocomposites, nanobiosensors, nanochemistry, renewable energy, nanochemistry in medicine, batteries and supercapacitors, targeted cellular therapies, among others. This volume will be useful for researchers and professionals working in nanotechnology and allied fields.

Transmission Electron Microscopy Characterization of Nanomaterials

Author : Challa S.S.R. Kumar
Publisher : Springer Science & Business Media
ISBN 13 : 3642389341
Total Pages : 718 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Transmission Electron Microscopy Characterization of Nanomaterials by : Challa S.S.R. Kumar

Download or read book Transmission Electron Microscopy Characterization of Nanomaterials written by Challa S.S.R. Kumar and published by Springer Science & Business Media. This book was released on 2013-12-09 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: Third volume of a 40volume series on nanoscience and nanotechnology, edited by the renowned scientist Challa S.S.R. Kumar. This handbook gives a comprehensive overview about Transmission electron microscopy characterization of nanomaterials. Modern applications and state-of-the-art techniques are covered and make this volume an essential reading for research scientists in academia and industry.

Multifunctional Photocatalytic Materials for Energy

Author : Zhiqun Lin
Publisher : Woodhead Publishing
ISBN 13 : 0081019785
Total Pages : 346 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Multifunctional Photocatalytic Materials for Energy by : Zhiqun Lin

Download or read book Multifunctional Photocatalytic Materials for Energy written by Zhiqun Lin and published by Woodhead Publishing. This book was released on 2018-03-19 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multifunctional Photocatalytic Materials for Energy discusses recent developments in multifunctional photocatalytic materials, such as semiconductors, quantum dots, carbon nanotubes and graphene, with an emphasis on their novel properties and synthesis strategies and discussions of their fundamental principles and applicational achievements in energy fields, for example, hydrogen generation from water splitting, CO2 reduction to hydrocarbon fuels, degradation of organic pollutions and solar cells. This book serves as a valuable reference book for researchers, but is also an instructive text for undergraduate and postgraduate students who want to learn about multifunctional photocatalytic materials to stimulate their interests in designing and creating advanced materials. - Covers all aspects of recent developments in multifunctional photocatalytic materials - Provides fundamental understanding of the structure, properties and energy applications of these materials - Contains contributions from leading international experts in the field working in multidisciplinary subject areas - Focuses on advanced applications and future research advancements, such as graphene-based nanomaterials and multi-hybrid nanocomposites - Presents a valuable reference for researchers and students that stimulates interest in designing advanced materials for renewable energy resources

Emerging Applications of Carbon Nanotubes and Graphene

Author : Bhanu Pratap Singh
Publisher : CRC Press
ISBN 13 : 1000838633
Total Pages : 305 pages
Book Rating : 4.0/5 (8 download)

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Book Synopsis Emerging Applications of Carbon Nanotubes and Graphene by : Bhanu Pratap Singh

Download or read book Emerging Applications of Carbon Nanotubes and Graphene written by Bhanu Pratap Singh and published by CRC Press. This book was released on 2023-02-27 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprehensively reviews recent and emerging applications of carbon nanotubes and graphene materials in a wide range of sectors. Detailed applications include structural materials, ballistic materials, energy storage and conversion, batteries, supercapacitors, smart sensors, environmental protection, nanoelectronics, optoelectronic and photovoltaics, thermoelectric, and conducting wires. It further covers human and structural health monitoring, and thermal management applications. Key selling features: Exclusively takes an application-oriented approach to cover emerging areas in carbon nanotubes and graphene Covers fundamental and applied knowledge related to carbon nanomaterials Includes advanced applications like human and structural health monitoring, smart sensors, ballistic protection and so forth Discusses novel applications such as thermoelectrics along with environmental protection related application Explores aspects of energy storage, generation and conversion including batteries, supercapacitors, and photovoltaics This book is aimed at graduate students and researchers in electrical, nanomaterials, chemistry, and other related areas.