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Ternary Quantum Dots

Ternary Quantum Dots Book
Author : Samuel Oluwatobi Oluwafemi,El Hadji Mamour Sakho,Sundararajan Parani,Thabang Calvin Lebepe
Publisher : Woodhead Publishing
Release : 2021-07-02
ISBN : 0128183047
Language : En, Es, Fr & De

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Book Description :

Ternary Quantum Dots: Synthesis, Properties, and Applications reviews the latest advances in ternary (I-III-VI) chalcopyrite quantum dots (QDs), along with their synthesis, properties and applications. Sections address the fundamental key concepts of ternary quantum dots, progress in synthesis strategies (i.e., organic and aqueous synthesis), and characterization methods (i.e., transmission electron microscopy, dynamic light scattering, etc.). Properties of ternary quantum dots are comprehensively reviewed, including optical, chemical and physical properties. The factors and mechanisms of the cytotoxicity of ternary quantum dot-based nanomaterials are also described. Since ternary chalcopyrite quantum dots are less toxic and more environmentally benign than conventional binary II-VI chalcogenide quantum dots, they are being investigated to replace conventional quantum dots in a range of applications. Thus, this book reviews QDs in various applications, such as solar cells, photocatalytic, sensors and bio-applications. Reviews fundamental concepts of ternary quantum dots and quantum dot-nanocomposites including the most relevant synthesis strategies, key properties, and characterization techniques Delves into the cytotoxicity of quantum dots looking at the factors and mechanisms that influence cytotoxicity including demonstration of cytotoxicity assays for in vitro and in vivo tests Touches on the many applications of ternary quantum dots including biomedical applications, applications in solar cells, sensing applications, and photocatalytic applications

Optical High Pressure Studies of Ternary Semiconducting Nanocrystals Quantum Dots

Optical High Pressure Studies of Ternary Semiconducting Nanocrystals  Quantum Dots Book
Author : Markus R. Silvestri
Publisher : Unknown
Release : 1994
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Optical High Pressure Studies of Ternary Semiconducting Nanocrystals Quantum Dots book written by Markus R. Silvestri, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Core Shell Quantum Dots

Core Shell Quantum Dots Book
Author : Xin Tong,Zhiming M. Wang
Publisher : Springer Nature
Release : 2020-07-01
ISBN : 3030465969
Language : En, Es, Fr & De

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Book Description :

This book outlines various synthetic approaches, tuneable physical properties, and device applications of core/shell quantum dots (QDs). Core/shell QDs have exhibited enhanced quantum yield (QY), suppressed photobleaching/blinking, and significantly improved photochemical/physical stability as compared to conventional bare QDs. The core-shell structure also promotes the easy tuning of QDs’ band structure, leading to their employment as attractive building blocks in various optoelectronic devices. The main objective of this book is to create a platform for knowledge sharing and dissemination of the latest advances in novel areas of core/shell QDs and relevant devices, and to provide a comprehensive introduction and directions for further research in this growing area of nanomaterials research.

Electroanalytical Applications of Quantum Dot Based Biosensors

Electroanalytical Applications of Quantum Dot Based Biosensors Book
Author : Bengi Uslu
Publisher : Elsevier
Release : 2021-05-19
ISBN : 0128232404
Language : En, Es, Fr & De

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Book Description :

Quantum dots (QDs) are hybrid organic/inorganic nanoparticles with novel physical properties. QDs have two components: an inorganic core and an optically active coated shell. Moreover, surface coatings can be applied to QDs to modify the particle as needed for experiments. Hydrophilic coatings prevent leaking of metal cargo from the core, enhancing the solubility in biological contexts and bind molecules, such as receptor–ligands, antibodies, therapeutic, and diagnostic macromolecules for enhanced effects. Their high surface-to-volume ratio allows multiple functional groups to attach onto the surface of the particles at constant surface volume. Silicon-, gallium-, indium-, or germanium-based; cadmium-based; and carbon-based QDs have already been used in many applications, such as imaging probes for the engineering of multifunctional nanodevices. Superior properties of QDs make them an excellent system in technology and biotechnology. This book describes electroanalytical applications of QD-based nanobiosensors, including brief information about the synthesis and characterization of QDs and basics of electroanalytical methods, followed by QDs in electrochemical biomimetic sensors, QDs in microchips, inorganic materials doped QDs, QD-based electrochemical DNA biosensors, electroluminescence for biomarker analysis using aptamer-based QDs, QD-based photoelectrochemical techniques, enzyme-based nanobiosensors using QDs, QD-based electrochemical immunosensors, and QD-modified nanosensors in drug analysis. Outlines QD-based applications for drug, food, clinical, and environmental science Shows how the properties of QDs make them effective ingredients in biosensing applications Assesses the major challenges in integrating QDs in biosensing systems

Phosphors Up Conversion Nano Particles Quantum Dots and Their Applications

Phosphors  Up Conversion Nano Particles  Quantum Dots and Their Applications Book
Author : Ru-Shi Liu
Publisher : Springer
Release : 2016-10-04
ISBN : 3662527715
Language : En, Es, Fr & De

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Book Description :

This book introduces readers to fundamental information on phosphor and quantum dots. It comprehensively reviews the latest research advances in and applications of fluoride phosphors, oxide phosphors, nitridosilicate phosphors and various quantum dot materials. Phosphors and phosphor-based quantum dot materials have recently gained considerable scientific interest due to their wide range of applications in lighting, displays, medical and telecommunication technologies. This work will be of great interest to researchers and graduate students in materials sciences and chemistry who wish to learn more about the principles, synthesis and analysis of phosphors and quantum dot materials.

Smart Intelligent Computing and Applications

Smart Intelligent Computing and Applications Book
Author : Suresh Chandra Satapathy,Vikrant Bhateja,J. R. Mohanty,Siba K. Udgata
Publisher : Springer Nature
Release : 2019-09-26
ISBN : 981139282X
Language : En, Es, Fr & De

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Book Description :

This book gathers high-quality papers presented at the Third International Conference on Smart Computing and Informatics (SCI 2018–19), which was organized by the School of Computer Engineering and School of Computer Application, Kalinga Institute of Industrial Technology, Bhubaneswar, India, on 21–22 December, 2018. It includes advanced and multi-disciplinary research on the design of smart computing and informatics. Thematically, the book broadly focuses on several innovation paradigms in system knowledge, intelligence and sustainability that can help to provide realistic solutions to various problems confronting society, the environment, and industry. The respective papers offer valuable insights into the how emerging computational and knowledge transfer approaches can be used to deliver optimal solutions in science, technology and healthcare.

Computational Intelligence in Digital and Network Designs and Applications

Computational Intelligence in Digital and Network Designs and Applications Book
Author : Mourad Fakhfakh,Esteban Tlelo-Cuautle,Patrick Siarry
Publisher : Springer
Release : 2015-07-14
ISBN : 3319200712
Language : En, Es, Fr & De

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Book Description :

This book explains the application of recent advances in computational intelligence – algorithms, design methodologies, and synthesis techniques – to the design of integrated circuits and systems. It highlights new biasing and sizing approaches and optimization techniques and their application to the design of high-performance digital, VLSI, radio-frequency, and mixed-signal circuits and systems. This second of two related volumes addresses digital and network designs and applications, with 12 chapters grouped into parts on digital circuit design, network optimization, and applications. It will be of interest to practitioners and researchers in computer science and electronics engineering engaged with the design of electronic circuits.

Computational Advancement in Communication Circuits and Systems

Computational Advancement in Communication Circuits and Systems Book
Author : Koushik Maharatna,Maitreyi Ray Kanjilal,Sukumar Chandra Konar,Sumit Nandi,Kunal Das
Publisher : Springer
Release : 2019-07-25
ISBN : 9811386870
Language : En, Es, Fr & De

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Book Description :

This book gathers the proceedings of the International Conference on Computational Advancement in Communication Circuits and Systems (ICCACCS 2018), which was organized by Narula Institute of Technology under the patronage of the JIS group, affiliated with West Bengal University of Technology. The book presents peer-reviewed papers that highlight new theoretical and experimental findings in the fields of electronics and communication engineering, including interdisciplinary areas like Advanced Computing, Pattern Recognition and Analysis, and Signal and Image Processing. The respective papers cover a broad range of principles, techniques and applications in microwave devices, communication and networking, signal and image processing, computations and mathematics, and control. The proceedings reflect the conference’s strong emphasis on methodological approaches, and focus on applications within the domain of Computational Advancement in Communication Circuits and Systems. They also address emerging technologies in electronics and communication, together with the latest practices, issues and trends.

Electrochemical and Optical Modulation of Selenide and Telluride Ternary Alloy Quantum Dots Genosensors

Electrochemical and Optical Modulation of Selenide and Telluride Ternary Alloy Quantum Dots Genosensors Book
Author : Peter Munyao Ndangili
Publisher : Unknown
Release : 2011
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Electroanalytical and optical properties of nanoscale materials are very important for biosensing applications as well as for understanding the unique one-dimensional carrier transport mechanism. One-dimensional semiconductor nanomaterials such as semiconductor quantum dots are extremely attractive for designing high-density protein arrays. Because of their high surface-to-volume ratio, electro-catalytic activity as well as good biocompatibility and novel electron transport properties make them highly attractive materials for ultra-sensitive detection of biological macromoleculcs via bio-electronic or bio-optic devices. A genosensor or gene based biosensor is an analytical device that employs immobilized deoxyribonucleic acid (DNA) probes as the recognition element and measures specific binding processes such as the formation of deoxyribonucleic acid-deoxyribonucleic acid (DNA-DNA), deoxyribonucleic acid- ribonucleic acid (DNA-RNA) hybrids, or the interactions between proteins or ligand molecules with DNA at the sensor surface. In this thesis, I present four binary and two ternary-electrochemically and optically modulated selenide and telluride quantum dots, all synthesised at room temperature in aqueous media. Cationic gallium (Ga3 ) synthesized in form of hydratcd gallium perchloratc salt [Ga(CI04)3.6H20] from the reaction of hot perchloric acid and gallium metal was used to tailor the optical and electrochemical properties of the selenide and telluride quantum dots. The synthesized cationic gallium also allowed successful synthesis of novel water soluble and biocompatible capped gallium selenide nanocrystals and gallium telluride quantum dots.

Information Systems Design and Intelligent Applications

Information Systems Design and Intelligent Applications Book
Author : J. K. Mandal,Suresh Chandra Satapathy,Manas Kumar Sanyal,Partha Pratim Sarkar,Anirban Mukhopadhyay
Publisher : Springer
Release : 2015-01-20
ISBN : 8132222504
Language : En, Es, Fr & De

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Book Description :

The second international conference on INformation Systems Design and Intelligent Applications (INDIA – 2015) held in Kalyani, India during January 8-9, 2015. The book covers all aspects of information system design, computer science and technology, general sciences, and educational research. Upon a double blind review process, a number of high quality papers are selected and collected in the book, which is composed of two different volumes, and covers a variety of topics, including natural language processing, artificial intelligence, security and privacy, communications, wireless and sensor networks, microelectronics, circuit and systems, machine learning, soft computing, mobile computing and applications, cloud computing, software engineering, graphics and image processing, rural engineering, e-commerce, e-governance, business computing, molecular computing, nano-computing, chemical computing, intelligent computing for GIS and remote sensing, bio-informatics and bio-computing. These fields are not only limited to computer researchers but also include mathematics, chemistry, biology, bio-chemistry, engineering, statistics, and all others in which computer techniques may assist.

Colloidal Quantum Dot Optoelectronics and Photovoltaics

Colloidal Quantum Dot Optoelectronics and Photovoltaics Book
Author : Gerasimos Konstantatos,Edward H. Sargent
Publisher : Cambridge University Press
Release : 2013-11-07
ISBN : 0521198267
Language : En, Es, Fr & De

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Book Description :

Captures the most up-to-date research in the field, written in an accessible style by the world's leading experts.

Novel Three state Quantum Dot Gate Field Effect Transistor

Novel Three state Quantum Dot Gate Field Effect Transistor Book
Author : Supriya Karmakar
Publisher : Springer Science & Business Media
Release : 2013-11-20
ISBN : 8132216350
Language : En, Es, Fr & De

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Book Description :

The book presents the fabrication and circuit modeling of quantum dot gate field effect transistor (QDGFET) and quantum dot gate NMOS inverter (QDNMOS inverter). It also introduces the development of a circuit model of QDGFET based on Berkley Short Channel IGFET model (BSIM). Different ternary logic circuits based on QDGFET are also investigated in this book. Advanced circuit such as three-bit and six bit analog-to-digital converter (ADC) and digital-to-analog converter (DAC) were also simulated.

Theoretical Studies of Atomic Transport in Ternary Semiconductor Quantum Dots and Charge Transport in Organic Photovoltaic Active Layers

Theoretical Studies of Atomic Transport in Ternary Semiconductor Quantum Dots and Charge Transport in Organic Photovoltaic Active Layers Book
Author : Xu Han
Publisher : Unknown
Release : 2016
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Ternary semiconductor quantum dots with thermodynamically stable structures are particularly important for achieving optimal performance in optoelectronic and photovoltaic applications. Ternary quantum dots (TQDs) are typically synthesized in the form of core/shell structures. However, misfit strain induced by the abrupt core/shell interface can change the nature of the TQDs dramatically, leading to unstable optoelectronic function. In this thesis, a transient species transport model is developed to predict species distributions in TQDs during their thermal annealing. Specifically, the interdiffusion kinetics is analyzed of group-VI species in ZnSe1-xSx and ZnSe1-xTex TQDs and of group-III species in InxGa1-xAs TQDs. The modeling results are used to interpret the evolution of near-surface species concentration during thermal annealing and predict the equilibrium species distribution as a function of TQD size and composition. A database of constituent species transport properties is generated for further design of post-growth processes that enables the development of thermodynamically stable TQD structures with optimal optoelectronic function grown through simple one-step colloidal synthesis techniques. Nanoparticle assemblies of organic semiconducting materials are particularly appealing for next-generation organic photovoltaic (OPV) devices because their low-cost aqueous synthesis reduces the usage of chlorinated solvents. Another class of novel semiconducting materials, organometallic halide perovskites, have emerged as promising materials for solar cells because of their high photo-absorption coefficient and high power conversion efficiency (PCE). Based on deterministic charge carrier transport models, this thesis presents a computational analysis of charge transport in photovoltaic devices with active layers of the above two types of materials and develops design protocols for improving photovoltaic device efficiency. Our results demonstrate that charge transport efficiencies in centrifuged organic nanoparticle assemblies are comparable with those in drop cast thin films. The effects on charge transport of excess stabilizing surfactant molecules and dispersion of insulating nanoparticles in the assemblies have been analyzed. The simulation results accurately reproduce experimental data and provide interpretations for the observed effects of the active layer nanostructure, i.e., nanoparticle size, ratio, and internal morphology, on charge transport and device PCE. Furthermore, the charge generation rate in the active layer is maximized and the device's photovoltaic performance is optimized with respect to the OPV device parameters. For photovoltaic devices based on organometallic halide perovskites, the modeling results demonstrate quantitatively that incorporation of multi-walled carbon nanotubes (MWCNTs) into the perovksite layer reduces bimolecular recombination, thus increasing the device's PCE. In addition, we find that electronic band offsets play an important role in determining the effects on device performance of the charge carrier mobilities and of majority doping in the electron and hole transporting layers (ETLs and HTLs). The modeling results provide guidelines for designing hybrid perovskite photovoltaic devices with enhanced photovoltaic performance.

Oxford Handbook of Nanoscience and Technology

Oxford Handbook of Nanoscience and Technology Book
Author : A. V. Narlikar,Y. Y. Fu
Publisher : OUP Oxford
Release : 2010-02-11
ISBN : 019157967X
Language : En, Es, Fr & De

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Book Description :

This is an agenda-setting and high-profile book that presents an authoritative and cutting-edge analysis of nanoscience and technology. The Oxford Handbook of Nanoscience and Technology provides a comprehensive and accessible overview of the major achievements in different aspects of this field. The Handbook comprises 3 volumes, structured thematically, with 25 chapters each. Volume I presents fundamental issues of basic physics, chemistry, biochemistry, tribology etc. of nanomaterials. Volume II focuses on the progress made with host of nanomaterials including DNA and protein based nanostructures. Volume III highlights engineering and related developments, with a focus on frontal application areas. All chapters are written by noted international experts in the field. The book should be useful for final year undergraduates specializing in the field. It should prove indispensable to graduate students, and serious researchers from academic and industrial sectors working in the field of Nanoscience and Technology from different disciplines including Physics, Chemistry, Biochemistry, Biotechnology, Medicine, Materials Science, Metallurgy, Ceramics, Information Technology as well as Electrical, Electronic and Computational Engineering.

Handbook of Nanotechnology Applications

Handbook of Nanotechnology Applications Book
Author : Kajornsak Faungnawakij,Woei Jye Lau,Uracha Rungsardthong Ruktanonchai,Kuakoon Piyachomkwan
Publisher : Elsevier
Release : 2020-10-22
ISBN : 0128215097
Language : En, Es, Fr & De

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Book Description :

Handbook of Nanotechnology Applications: Environment, Energy, Agriculture and Medicine presents a comprehensive overview on recent developments and prospects surrounding nanotechnology use in water/wastewater separation and purification, energy storage and conversion, agricultural and food process, and effective diagnoses and treatments in medical fields. The book includes detailed overviews of nanotechnology, including nanofiltration membrane for water/wastewater treatment, nanomedicine and nanosensor development for medical implementation, advanced nanomaterials of different structural dimensions (0D, 1D, 2D and 3D) for energy applications, as well as food and agricultural utilization. Other sections discuss the challenges of lab-based research transitioning towards practical industrial use. Helps scientists and researchers quickly learn and understand the key role of nanotechnology in important industrial applications Takes an interdisciplinary approach, demonstrating how nanotechnology is being used in a wide range of industry sectors Outlines the role nanotechnology plays in creating safer, cheaper and more energy-efficient projects and devices

Unconventional Computation

Unconventional Computation Book
Author : Cristian S. Calude,Jarkko Kari,Ion Petre,Grzegorz Rozenberg
Publisher : Springer
Release : 2011-06-12
ISBN : 3642213413
Language : En, Es, Fr & De

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Book Description :

This book constitutes the refereed proceedings of the 10th International Conference on Unconventional Computation, UC 2011, held in Turku, Finland, in June 2011. The 17 revised full papers presented together with 6 extended abstracts of invited talks, and 3 extended abstracts of tutorials were carefully reviewed and selected from 33 initial submissions. The papers are devoted to all aspects of unconventional computation theory as well as experiments and applications. Typical topics are: natural computing including quantum, cellular, molecular, membrane, neural, and evolutionary computing, as well as chaos and dynamical system-based computing, and various proposals for computational mechanisms that go beyond the Turing model.

A Study on Long Term Stability of Quantum Dot Sensitized Solar Cells

A Study on Long Term Stability of Quantum Dot Sensitized Solar Cells Book
Author : Hao Yu,University of Wyoming. Department of Chemical & Petroleum Engineering
Publisher : Unknown
Release : 2014
ISBN : 9781303994951
Language : En, Es, Fr & De

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Book Description :

Quantum dot sensitized solar cells (QDSSCs) are recognized as a promising new technology for making cost efficient photovoltaic devices. In this project, QDSSCs are based on CdSe quantum dots (QDs) attached to ternary zinc tin oxide (ZTO) nanowires. Ternary oxides are of interest because they afford a wide latitude for compositional tuning of semiconductor properties. In any device that is to be subjected to the conditions of field deployment, the long term stability of all components of the device must be assured. Processes such as QD detachment or QD-nanowire dissolution and corrosion might significantly degrade solar cell performance over time. In this dissertation, stability aspects of QDSSCs are examined in detail, from the dissolution and alteration of ternary oxide materials to the attachment, detachment and dissolution of QDs on oxide surfaces. We find that ZTO is likely to survive long-term deployment, but that small amounts of surface alteration will take place. More importantly, solution-based QDs capped with organic stabilizing molecules demonstrate ligand-dependent attachment and detachment behaviors but are less prone to dissolution. Pulsed laser deposited QDs, however, are prone to longer-term dissolution. Post-deposition capping molecules could improve stability but might inhibit electron transfer. Long-term QDSSC stability is a balance between protection of key materials but avoiding inhibition of electron transfer needed for solar cell operation.

Advances in Graphic Communication Printing and Packaging Technology and Materials

Advances in Graphic Communication  Printing and Packaging Technology and Materials Book
Author : Pengfei Zhao
Publisher : Springer Nature
Release : 2021-10-17
ISBN : 9811605033
Language : En, Es, Fr & De

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Book Description :

This book includes a selection of reviewed papers presented at the 11th China Academic Conference on Printing and Packaging, held on November 26-29, 2020, Guangzhou, China. The conference is jointly organized by China Academy of Printing Technology and South China University of Technology. With 10 keynote talks and 200 presented papers on graphic communication and packaging technologies, the conference attracted more than 300 scientists. The proceedings cover the recent findings in color science and technology, image processing technology, digital media technology, mechanical and electronic engineering and numerical control, materials and detection, digital process management technology in printing and packaging, and other technologies. As such, the book is of interest to university researchers, R&D engineers and graduate students in the field of graphic arts, packaging, color science, image science, material science, computer science, digital media, network technology and smart manufacturing technology.

Handbook of Smart Materials in Analytical Chemistry

Handbook of Smart Materials in Analytical Chemistry Book
Author : Miguel de la Guardia,Francesc A. Esteve-Turrillas
Publisher : John Wiley & Sons
Release : 2019-01-22
ISBN : 1119422612
Language : En, Es, Fr & De

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Book Description :

A comprehensive guide to smart materials and how they are used in sample preparation, analytical processes, and applications This comprehensive, two-volume handbook provides detailed information on the present state of new materials tailored for selective sample preparation and the legal frame and environmental side effects of the use of smart materials for sample preparation in analytical chemistry, as well as their use in the analytical processes and applications. It covers both methodological and applied analytical aspects, relating to the development and application of new materials for solid-phase extraction (SPE) and solid-phase microextraction (SPME), their use in the different steps and techniques of the analytical process, and their application in specific fields such as water, food, air, pharmaceuticals, clinical sciences and forensics. Every chapter in Handbook of Smart Materials in Analytical Chemistry is written by experts in the field to provide a comprehensive picture of the present state of this key area of analytical sciences and to summarize current applications and research literature in a critical way. Volume 1 covers New Materials for Sample Preparation and Analysis. Volume 2 handles Analytical Processes and Applications. Focuses on the development and applications of smart materials in analytical chemistry Covers both, methodological and applied analytical aspects, for the development of new materials and their use in the different steps and techniques of the analytical process and their application in specific fields Features applications in key areas including water, air, environment, pharma, food, forensic, and clinical Presents the available tools for the use of new materials suitable to aid recognition process to the sample preparation and analysis A key resource for analytical chemists, applied laboratories, and instrument companies Handbook of Smart Materials in Analytical Chemistry, 2V Set is an excellent reference book for specialists and advanced students in the areas of analytical chemistry, including both research and application environments.