Van Der Waals Quantum Dots

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Van Der Waals Quantum Dots

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)

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Download or read book Van Der Waals Quantum Dots written by and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : Boron nitride quantum dots (BNQDs) have gained increasing attention for their versatile fluorescent, optoelectronic, chemical, and biochemical properties. During the past few years, significant progress has been demonstrated, started from theoretical modeling to actual application. Many interesting properties and applications have been reported, such as excitation-dependent emission (and in some cases, non-excitation dependent), chemical functionalization, bioimaging, phototherapy, photocatalysis, chemical, and biological sensing. An overview of these early-stage research development of BNQDs will be discussed in this dissertation. Next, the origin of excitation-dependent fluorescence from BNQDs synthesized in an organic solvent is explored and explained with the support of theoretical modeling. Also, we have developed a series of calibration plots by using UV-Vis and fluorescent spectroscopy for the quantification of BNQDs. We demonstrated that these calibration plots are more than 90% accurate for estimating the concentration of BNQDs in solutions. Finally, the use of van der Waals QDs including BNQDs and MoS2 in thin films solar cells is explored. Our ZnO-based solar cell devices allow us to obtain a record high efficiency of 14.7% using commercial CdSe/ZnS QDs. Preliminary photovoltaic data based on van der Waals QDs will be discussed.

Quantum Dots: Fundamentals, Applications, and Frontiers

Author : Bruce A. Joyce
Publisher : Springer Science & Business Media
ISBN 13 : 140203315X
Total Pages : 401 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Quantum Dots: Fundamentals, Applications, and Frontiers by : Bruce A. Joyce

Download or read book Quantum Dots: Fundamentals, Applications, and Frontiers written by Bruce A. Joyce and published by Springer Science & Business Media. This book was released on 2006-03-30 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains papers delivered at a NATO Advanced Research Workshop and provides a broad introduction to all major aspects of quantum dot structures. Such structures have been produced for studies of basic physical phenomena, for device fabrication and, on a more speculative level, have been suggested as components of a solid-state realization of a quantum computer. The book is structured so that the reader is introduced to the methods used to produce and control quantum dots, followed by discussions of their structural, electronic, and optical properties. It concludes with examples of how their optical properties can be used in practical devices, including lasers and light-emitting diodes operating at the commercially important wavelengths of 1.3 Am and 1.55 Am."

Quantum Dots

Author : Michael Shur
Publisher : World Scientific
ISBN 13 : 9810249187
Total Pages : 214 pages
Book Rating : 4.8/5 (12 download)

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Book Synopsis Quantum Dots by : Michael Shur

Download or read book Quantum Dots written by Michael Shur and published by World Scientific. This book was released on 2002 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, leading experts on quantum dot theory and technology provide comprehensive reviews of all aspects of quantum dot systems. The following topics are covered: (1) energy states in quantum dots, including the effects of strain and many-body effects; (2) self-assembly and self-ordering of quantum dots in semiconductor systems; (3) growth, structures, and optical properties of III-nitride quantum dots; (4) quantum dot lasers.

Quantum Dots

Author : Peter A. Ling
Publisher : Nova Publishers
ISBN 13 : 9781594544064
Total Pages : 278 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Quantum Dots by : Peter A. Ling

Download or read book Quantum Dots written by Peter A. Ling and published by Nova Publishers. This book was released on 2005 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: A quantum dot is a particle of matter so small that the addition or removal of an electron changes its properties in some useful way. All atoms are quantum dots, but multi-molecular combinations can have this characteristic. In biochemistry, quantum dots are called redox groups. In nanotechnology, they are called quantum bits or qubits. Quantum dots typically have dimensions measured in nanometers, where one nanometer is 10-9 meter or a millionth of a millimetre. The fields of biology, chemistry, computer science, and electronics are all of interest to researchers in nanotechnology. Other applications of quantum dots include nanomachines, neural networks, and high-density memory or storage media. Research is being carried out on nano-crystals, self-assembled dots, and gated structures. This book presents leading-edge research from around the world.

Single Quantum Dots

Author : Peter Michler
Publisher : Springer Science & Business Media
ISBN 13 : 9783540140221
Total Pages : 370 pages
Book Rating : 4.1/5 (42 download)

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Book Synopsis Single Quantum Dots by : Peter Michler

Download or read book Single Quantum Dots written by Peter Michler and published by Springer Science & Business Media. This book was released on 2003-12-09 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special focus is given to the optical and electronic properties of single quantum dots due to their potential applications in devices operating with single electrons and/or single photons. This includes quantum dots in electric and magnetic fields, cavity-quantum electrodynamics, nonclassical light generation, and coherent optical control of excitons.

Quantum Dots

Author : Rakshit Ameta
Publisher : Elsevier
ISBN 13 : 0323858953
Total Pages : 393 pages
Book Rating : 4.3/5 (238 download)

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Book Synopsis Quantum Dots by : Rakshit Ameta

Download or read book Quantum Dots written by Rakshit Ameta and published by Elsevier. This book was released on 2022-09-20 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum Dots: Fundamentals, Synthesis and Applications compiles key information, along with practical guidance on quantum dot synthesis and applications. Beginning with an introduction, Part One highlights such foundational knowledge as growth mechanisms, shape and composition, electrochemical properties, and production scale-up for quantum dots. Part Two goes on to provide practical guides to key chemical, physical and biological methods for the synthesis of quantum dots, with Part Three reviewing the application of quantum dots and a range of important use cases, including photocatalysis, energy cells and medical imaging. Drawing on the knowledge of its expert authors, this comprehensive book provides practical guidance for all those who already study, develop or use quantum dots in their work. - Presents the foundational information needed to effectively understand and manipulate quantum dot properties - Consolidates key methods of quantum dot synthesis in a single volume - Reviews both current and future practical applications of quantum dots across a range of important fields

Quantum Dots

Author : Lucjan Jacak
Publisher : Springer Science & Business Media
ISBN 13 : 3642720021
Total Pages : 176 pages
Book Rating : 4.6/5 (427 download)

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Book Synopsis Quantum Dots by : Lucjan Jacak

Download or read book Quantum Dots written by Lucjan Jacak and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present an overview of the theoretical background and experimental re sults in the rapidly developing field of semiconductor quantum dots - systems 8 6 of dimensions as small as 10- -10- m (quasi-zero-dimensional) that contain a small and controllable number (1-1000) of electrons. The electronic structure of quantum dots, including the energy quan tization of the single-particle states (due to spatial confinement) and the evolution of these (Fock-Darwin) states in an increasing external magnetic field, is described. The properties of many-electron systems confined in a dot are also studied. This includes the separation of the center-of-mass mo tion for the parabolic confining potential (and hence the insensitivity of the transitions under far infrared radiation to the Coulomb interactions and the number of particles - the generalized Kohn theorem) and the effects due to Coulomb interactions (formation of the incompressible magic states at high magnetic fields and their relation to composite jermions), and finally the spin-orbit interactions. In addition, the excitonic properties of quantum dots are discussed, including the energy levels and the spectral function of a single exciton, the relaxation of confined carriers, the metastable states and their effect on the photoluminescence spectrum, the interaction of an exciton with carriers, and exciton condensation. The theoretical part of this work, which is based largely on original re sults obtained by the authors, has been supplemented with descriptions of various methods of creating quantum-dot structures.

Quantum Dots

Author : Elena Borovitskaya
Publisher : World Scientific
ISBN 13 : 9814488798
Total Pages : 214 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Quantum Dots by : Elena Borovitskaya

Download or read book Quantum Dots written by Elena Borovitskaya and published by World Scientific. This book was released on 2002-07-08 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, leading experts on quantum dot theory and technology provide comprehensive reviews of all aspects of quantum dot systems. The following topics are covered: (1) energy states in quantum dots, including the effects of strain and many-body effects; (2) self-assembly and self-ordering of quantum dots in semiconductor systems; (3) growth, structures, and optical properties of III-nitride quantum dots; (4) quantum dot lasers.

Quantum Dots

Author : Vasilios N. Stavrou
Publisher : BoD – Books on Demand
ISBN 13 : 9535121553
Total Pages : 192 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Quantum Dots by : Vasilios N. Stavrou

Download or read book Quantum Dots written by Vasilios N. Stavrou and published by BoD – Books on Demand. This book was released on 2015-09-17 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book Quantum Dots - Theory and Applications collects some new research results in the area of fundamental excitations, decoherence, charge states, epitaxial techniques and photoluminescence experiments related to devices made with quantum dots. This book is divided in two sections. First section includes the fundamental theories on excitons, trions, phase decoherence, and charge states, and the second section includes several applications of quantum dots.

Quantum Dots

Author : Inamuddin
Publisher : Materials Research Forum LLC
ISBN 13 : 1644901250
Total Pages : 360 pages
Book Rating : 4.6/5 (449 download)

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Book Synopsis Quantum Dots by : Inamuddin

Download or read book Quantum Dots written by Inamuddin and published by Materials Research Forum LLC. This book was released on 2021-04-05 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides a thorough survey of current research in quantum dots synthesis, properties, and applications. The unique properties of these new nanomaterials offer multifunctional applications in such fields as photovoltaics, light-emitting diodes, field-effect transistors, lasers, photodetectors, solar cells, biomedical diagnostics and quantum computing. Keywords: Quantum Dots (QD), Photovoltaics, Light-emitting Diodes, Field-effect Transistors, Lasers, Photodetectors, Solar Cells, Biomedical Diagnostics, Quantum Computing, QD Synthesis, Carbon QDs, Graphene QDs, QD Sensors, Supercapacitors, Magnetic Quantum Dots, Cellular/Molecular Separation, Chromatographic Separation Column, Photostability, Luminescence of Carbon QDs, QD Materials for Water Treatment, Semiconductor Quantum Dots, QD Drug Delivery, Antibacterial Quantum Dots.

Quantum Dots

Author : Peter A. Ling
Publisher : Nova Publishers
ISBN 13 : 9781594542237
Total Pages : 170 pages
Book Rating : 4.5/5 (422 download)

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Book Synopsis Quantum Dots by : Peter A. Ling

Download or read book Quantum Dots written by Peter A. Ling and published by Nova Publishers. This book was released on 2005 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since first developed in the early sixties, silicon chip technology has made vast leaps forward. From a rudimentary circuit with a mere handful of transistors, the chip has evolved into a technological wonder, packing millions of bits of information on a surface no larger that a human thumbnail. And most experts predict that in the near future, we will see chips with over a billion bits. Quantum dots are small devices that contain a tiny droplet of free electrons. They are fabricated in semiconductor materials and have typical dimensions ranging from nanometres to a few microns. The size and shape of these structures and therefore the number of electrons they contain can be precisely controlled; a quantum dot can have anything from a single electron to a collection of several thousands. The physics of quantum dots shows many parallels with the behaviour of naturally occurring quantum systems in atomic and nuclear physics. As in an atom, the energy levels in a quantum dot become quantised due to the confinement of electrons. Unlike atoms however, quantum dots can be easily connected to electrodes and are therefore excellent tools for studying atomic-like properties. This new book brings together leading research from throughout the world in this field of the future which has become the field of today.

Colloidal Quantum Dot Optoelectronics and Photovoltaics

Author : Gerasimos Konstantatos
Publisher : Cambridge University Press
ISBN 13 : 0521198267
Total Pages : 329 pages
Book Rating : 4.5/5 (211 download)

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Book Synopsis Colloidal Quantum Dot Optoelectronics and Photovoltaics by : Gerasimos Konstantatos

Download or read book Colloidal Quantum Dot Optoelectronics and Photovoltaics written by Gerasimos Konstantatos and published by Cambridge University Press. This book was released on 2013-11-07 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Captures the most up-to-date research in the field, written in an accessible style by the world's leading experts.

Van der Waals Heterostructures

Author : Zheng Zhang
Publisher : John Wiley & Sons
ISBN 13 : 3527349502
Total Pages : 340 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Van der Waals Heterostructures by : Zheng Zhang

Download or read book Van der Waals Heterostructures written by Zheng Zhang and published by John Wiley & Sons. This book was released on 2022-10-31 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Van der Waals Heterostructures A comprehensive resource systematically detailing the developments and applications of van der Waals heterostructures and devices Van der Waals Heterostructures is essential reading to understand the developments made in van der Waals heterostructures and devices in all aspects, from basic synthesis to physical analysis and heterostructures assembling to devices applications, including demonstrated applications of van der Waals heterostructure on electronics, optoelectronics, and energy conversion, such as solar energy, hydrogen energy, batteries, catalysts, biotechnology, and more. This book starts from an in-depth introduction of van der Waals interactions in layered materials and the forming of mixed-dimensional heterostructures via van der Waals force. It then comprehensively summarizes the synthetic methods, devices building processes and physical mechanism of 2D van der Waals heterostructures, and devices including 2D-2D electronics, 2D-2D optoelectronics, and mixed dimensional van der Waals heterostructures. In Van der Waals Heterostructures, readers can expect to find specific information on: The current library of 2D semiconductors and the current synthesis and performances of 2D semiconductors Controllable synthesis and assemble van der Waals heterostructures, physics of the van der Waals interface, and multi-field coupling effects 2D-2D electronics, 2D-2D optoelectronics, mixed dimensional van der Waals heterostructures, and van der Waals heterostructure applications on energy conversion Insight into future perspectives of the van der Waals heterostructures and devices with the detailed effective role of 2D materials for integrated electrical and electronic equipment

Quantum Dots

Author : Jagannathan Thirumalai
Publisher : BoD – Books on Demand
ISBN 13 : 1803565934
Total Pages : 266 pages
Book Rating : 4.8/5 (35 download)

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Book Synopsis Quantum Dots by : Jagannathan Thirumalai

Download or read book Quantum Dots written by Jagannathan Thirumalai and published by BoD – Books on Demand. This book was released on 2023 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed overview of recent advances in the captivating world of quantum dots and outlines some possible imminent new directions for this important field. A variety of advanced techniques is rapidly developing in the application of quantum dots to solar photovoltaics, LEDs, quantum computing (qubits) and different biological spheres. The book presents, discusses and compares devices based on state-of-the-art structures, incipient material and new physical effects. Improved efficiency and reliability in these fields are already pointing the way to next-generation devices, especially in the nano regime. This book is addressed to students and scientists working in the field of quantum dots and progressive technologies.

Quantum Dots

Author : Inamuddin
Publisher : Materials Research Forum LLC
ISBN 13 : 1644901242
Total Pages : 360 pages
Book Rating : 4.6/5 (449 download)

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Book Synopsis Quantum Dots by : Inamuddin

Quantum Dot Photodetectors

Author : Xin Tong
Publisher : Springer Nature
ISBN 13 : 3030742709
Total Pages : 319 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Quantum Dot Photodetectors by : Xin Tong

Download or read book Quantum Dot Photodetectors written by Xin Tong and published by Springer Nature. This book was released on 2021-09-17 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive overview of state-of-the-art quantum dot photodetectors, including device fabrication technologies, optical engineering/manipulation strategies, and emerging photodetectors with building blocks of novel quantum dots (e.g. perovskite) as well as their hybrid structured (e.g. 0D/2D) materials. Semiconductor quantum dots have attracted much attention due to their unique quantum confinement effect, which allows for the facile tuning of optical properties that are promising for next-generation optoelectronic applications. Among these remarkable properties are large absorption coefficient, high photosensitivity, and tunable optical spectrum from ultraviolet/visible to infrared region, all of which are very attractive and favorable for photodetection applications. The book covers both fundamental and frontier research in order to stimulate readers' interests in developing novel ideas for semiconductor photodetectors at the center of future developments in materials science, nanofabrication technology and device commercialization. The book provides a knowledge sharing platform and can be used as a reference for researchers working in the fields of photonics, materials science, and nanodevices.

Quantum Dots

Author : Faten Divsar
Publisher : BoD – Books on Demand
ISBN 13 : 183880918X
Total Pages : 94 pages
Book Rating : 4.8/5 (388 download)

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Book Synopsis Quantum Dots by : Faten Divsar

Download or read book Quantum Dots written by Faten Divsar and published by BoD – Books on Demand. This book was released on 2020-06-24 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum dots (QDs) are luminescent semiconductor nanocrystals with unique chemical and physical properties due to their size and highly compact structure. QDs were first proposed for use in luminescent concentrators to replace organic dye molecules. In this book, the interest is in taking advantage of the emission properties of QDS, which can be tuned by their size, resulting from quantum confinement. In addition, the book discusses the potential of QDs as contrast and therapeutic agents in the field of medicine.