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Author : Vicki Leigh Colvin
Publisher :
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.:/5 (33 download)
Download or read book Electronic Structure of Semiconductor Nanocrystals written by Vicki Leigh Colvin and published by . This book was released on 1994 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerasimos Konstantatos
Publisher : Cambridge University Press
ISBN 13 : 0521198267
Total Pages : 329 pages
Book Rating : 4.5/5 (211 download)
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.
Author : Alexander L. Efros
Publisher : Springer Science & Business Media
ISBN 13 : 1475736770
Total Pages : 277 pages
Book Rating : 4.4/5 (757 download)
Download or read book Semiconductor Nanocrystals written by Alexander L. Efros and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: A physics book that covers the optical properties of quantum-confined semiconductor nanostructures from both the theoretical and experimental points of view together with technological applications. Topics to be reviewed include quantum confinement effects in semiconductors, optical adsorption and emission properties of group IV, III-V, II-VI semiconductors, deep-etched and self assembled quantum dots, nanoclusters, and laser applications in optoelectronics.
Author : Michael A. White
Publisher :
ISBN 13 :
Total Pages : 167 pages
Book Rating : 4.:/5 (89 download)
Download or read book Electronic Structure and Auger Interactions in Semiconductor Nanocrystals written by Michael A. White and published by . This book was released on 2012 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. V. Gaponenko
Publisher : Cambridge University Press
ISBN 13 : 0521582415
Total Pages : 263 pages
Book Rating : 4.5/5 (215 download)
Download or read book Optical Properties of Semiconductor Nanocrystals written by S. V. Gaponenko and published by Cambridge University Press. This book was released on 1998-10-28 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines the optical properties of low-dimensional semiconductor structures, a hot research area - for graduate students and researchers.
Author : Sudheer Neralla
Publisher : BoD – Books on Demand
ISBN 13 : 9535107143
Total Pages : 214 pages
Book Rating : 4.5/5 (351 download)
Download or read book Nanocrystals written by Sudheer Neralla and published by BoD – Books on Demand. This book was released on 2012-08-29 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanocrystals research has been an area of significant interest lately, due to the wide variety of potential applications in semiconductor, optical and biomedical fields. This book consists of a collection of research work on nanocrystals processing and characterization of their structural, optical, electronic, magnetic and mechanical properties. Various methods for nanocrystals synthesis are discussed in the book. Size-dependent properties such as quantum confinement, superparamagnetism have been observed in semiconductor and magnetic nanoparticles. Nanocrystals incorporated into different material systems have proven to possess improved properties. A review of the exciting outcomes nanoparticles study has provided indicates further accomplishments in the near future.
Author : Kimberly Sue Hamad
Publisher :
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.:/5 (34 download)
Download or read book X-ray and Photoelectron Spectroscopy of the Structure, Reactivity, and Electronic Structure of Semiconductor Nanocrystals written by Kimberly Sue Hamad and published by . This book was released on 2000 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Victor I. Klimov
Publisher : CRC Press
ISBN 13 : 0203913264
Total Pages : 505 pages
Book Rating : 4.2/5 (39 download)
Download or read book Semiconductor and Metal Nanocrystals written by Victor I. Klimov and published by CRC Press. This book was released on 2003-11-07 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vast technological potential of nanocrystalline materials, as well as current intense interest in the physics and chemistry of nanoscale phenomena, has led to explosive growth in research on semiconductor nanocrystals, also known as nanocrystal quantum dots, and metal nanoparticles. Semiconductor and Metal Nanocrystals addresses current topics impacting the field including synthesis and assembly of nanocrystals, theory and spectroscopy of interband and intraband optical transitions, single-nanocrystal optical and tunneling spectroscopies, electrical transport in nanocrystal assemblies, and physical and engineering aspects of nanocrystal-based devices. Written by experts who have contributed pioneering research, this reference comprises key advances in the field of semiconductor nanocrystal quantum dots and metal nanoparticles over the past several years. Focusing specifically on nanocrystals generated through chemical techniques, Semiconductor and Metal Nanocrystals Merges investigative frontiers in physics, chemistry, and engineering Documents advances in nanocrystal synthesis and assembly Explores the theory of electronic excitations in nanoscale particles Presents comprehensive information on optical spectroscopy of interband and intraband optical transitions Reviews data on single-nanocrystal optical and tunneling spectroscopies Weighs controversies related to carrier relaxation dynamics in ultrasmall nanoparticles Discusses charge carrier transport in nanocrystal assemblies Provides examples of lasing and photovoltaic nanocrystal-based devices Semiconductor and Metal Nanocrystals is a must read for scientists, engineers, and upper-level undergraduate and graduate students interested in the physics and chemistry of nanoscale semiconductor and metal particles, as well as general nanoscale science.
Author :
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (684 download)
Download or read book X-ray and Photoelectron Spectroscopy of the Structure, Reactivity, and Electronic Structure of Semiconductor Nanocrystals written by and published by . This book was released on 2000 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor nanocrystals are a system which has been the focus of interest due to their size dependent properties and their possible use in technological applications. Many chemical and physical properties vary systematically with the size of the nanocrystal and thus their study enables the investigation of scaling laws. Due to the increasing surface to volume ratio as size is decreased, the surfaces of nanocrystals are expected to have a large influence on their electronic, thermodynamic, and chemical behavior. In spite of their importance, nanocrystal surfaces are still relatively uncharacterized in terms of their structure, electronic properties, bonding, and reactivity. Investigation of nanocrystal surfaces is currently limited by what techniques to use, and which methods are suitable for nanocrystals is still being determined. This work presents experiments using x-ray and electronic spectroscopies to explore the structure, reactivity, and electronic properties of semiconductor (CdSe, InAs) nanocrystals and how they vary with size. Specifically, x-ray absorption near edge spectroscopy (XANES) in conjunction with multiple scattering simulations affords information about the structural disorder present at the surface of the nanocrystal. X-ray photoelectron spectroscopy (XPS) and ultra-violet photoelectron spectroscopy (UPS) probe the electronic structure in terms of hole screening, and also give information about band lineups when the nanocrystal is placed in electric contact with a substrate. XPS of the core levels of the nanocrystal as a function of photo-oxidation time yields kinetic data on the oxidation reaction occurring at the surface of the nanocrystal.
Author : Alberto Credi
Publisher : Springer
ISBN 13 : 3319511920
Total Pages : 179 pages
Book Rating : 4.3/5 (195 download)
Download or read book Photoactive Semiconductor Nanocrystal Quantum Dots written by Alberto Credi and published by Springer. This book was released on 2017-01-20 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.
Author : Victor I. Klimov
Publisher : CRC Press
ISBN 13 : 1420079271
Total Pages : 485 pages
Book Rating : 4.4/5 (2 download)
Download or read book Nanocrystal Quantum Dots written by Victor I. Klimov and published by CRC Press. This book was released on 2017-12-19 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of recent advancements in colloidal nanocrystals and quantum-confined nanostructures, Nanocrystal Quantum Dots is the second edition of Semiconductor and Metal Nanocrystals: Synthesis and Electronic and Optical Properties, originally published in 2003. This new title reflects the book’s altered focus on semiconductor nanocrystals. Gathering contributions from leading researchers, this book contains new chapters on carrier multiplication (generation of multiexcitons by single photons), doping of semiconductor nanocrystals, and applications of nanocrystals in biology. Other updates include: New insights regarding the underlying mechanisms supporting colloidal nanocrystal growth A revised general overview of multiexciton phenomena, including spectral and dynamical signatures of multiexcitons in transient absorption and photoluminescence Analysis of nanocrystal-specific features of multiexciton recombination A review of the status of new field of carrier multiplication Expanded coverage of theory, covering the regime of high-charge densities New results on quantum dots of lead chalcogenides, with a focus studies of carrier multiplication and the latest results regarding Schottky junction solar cells Presents useful examples to illustrate applications of nanocrystals in biological labeling, imaging, and diagnostics The book also includes a review of recent progress made in biological applications of colloidal nanocrystals, as well as a comparative analysis of the advantages and limitations of techniques for preparing biocompatible quantum dots. The authors summarize the latest developments in the synthesis and understanding of magnetically doped semiconductor nanocrystals, and they present a detailed discussion of issues related to the synthesis, magneto-optics, and photoluminescence of doped colloidal nanocrystals as well. A valuable addition to the pantheon of literature in the field of nanoscience, this book presents pioneering research from experts whose work has led to the numerous advances of the past several years.
Author : Matthew Thomas Sheldon
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (769 download)
Download or read book Electrical Characterization of Individual Semiconductor Nanocrystals written by Matthew Thomas Sheldon and published by . This book was released on 2010 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Strategies for the device integration and electrical characterization of individual colloidal semiconductor nanocrystals are presented. Results emphasize the insight gained by studying the electronic structure of individual nanocrystals as opposed to measurements of ensembles of particles. An analysis of a variety device geometries, material systems, and nanocrystal morphology and functionality shows that the method of electrical contact has a dominating role in the electrical behavior of the samples. Further, interactions with the electrode contact reflect the unique electronic and surface structure of the individual nanocrystals. In studies utilizing nanoscale lithography to directly deposit metal electrodes onto nanocrystals under vacuum, samples behave as single electron transistors (SET). Devices made from CdTe nanorods contacted by Pd display strong electron-electron correlations, which limit the flow of current to one electron at a time across the nanocrystal. Measurements also indicate that chemical reactions induced by the electrode metal cause diffusion of interface species and compositional modification of the nanoparticle. Interface chemical reactions may completely transform the nanocrystal under study, also altering the nanocrystal electronic structure. To avoid these complications, alternative strategies for device fabrication take advantage of the self-assembly of heterostructure nanoparticles. Synthetic methods for the direct solution-phase growth of Au electrodes on CdSe nanorod tips provide a 100,000-fold increase in the conductivity of single particles. Device response indicates ensemble electron physics and a Schottky barrier at the electrode contact, allowing quantitative determination of interface electronic structure. The methods of self-assembly are extended to a variety of heterostructure nanoparticles optimized for electronic and optoelectronic functionality. This work demonstrates the increasing sophistication of high-quality electrical devices achievable via self-assembly and verifies the process as an excellent route to the next generation of electronic and optoelectronic devices utilizing colloidal semiconductor nanocrystals.
Author : Victor I. Klimov
Publisher : CRC Press
ISBN 13 : 1351834525
Total Pages : 584 pages
Book Rating : 4.3/5 (518 download)
Download or read book Nanocrystal Quantum Dots written by Victor I. Klimov and published by CRC Press. This book was released on 2017-12-19 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of recent advancements in colloidal nanocrystals and quantum-confined nanostructures, Nanocrystal Quantum Dots is the second edition of Semiconductor and Metal Nanocrystals: Synthesis and Electronic and Optical Properties, originally published in 2003. This new title reflects the book’s altered focus on semiconductor nanocrystals. Gathering contributions from leading researchers, this book contains new chapters on carrier multiplication (generation of multiexcitons by single photons), doping of semiconductor nanocrystals, and applications of nanocrystals in biology. Other updates include: New insights regarding the underlying mechanisms supporting colloidal nanocrystal growth A revised general overview of multiexciton phenomena, including spectral and dynamical signatures of multiexcitons in transient absorption and photoluminescence Analysis of nanocrystal-specific features of multiexciton recombination A review of the status of new field of carrier multiplication Expanded coverage of theory, covering the regime of high-charge densities New results on quantum dots of lead chalcogenides, with a focus studies of carrier multiplication and the latest results regarding Schottky junction solar cells Presents useful examples to illustrate applications of nanocrystals in biological labeling, imaging, and diagnostics The book also includes a review of recent progress made in biological applications of colloidal nanocrystals, as well as a comparative analysis of the advantages and limitations of techniques for preparing biocompatible quantum dots. The authors summarize the latest developments in the synthesis and understanding of magnetically doped semiconductor nanocrystals, and they present a detailed discussion of issues related to the synthesis, magneto-optics, and photoluminescence of doped colloidal nanocrystals as well. A valuable addition to the pantheon of literature in the field of nanoscience, this book presents pioneering research from experts whose work has led to the numerous advances of the past several years.
Author : Andrey Rogach
Publisher : Springer Science & Business Media
ISBN 13 : 3211752374
Total Pages : 374 pages
Book Rating : 4.2/5 (117 download)
Download or read book Semiconductor Nanocrystal Quantum Dots written by Andrey Rogach and published by Springer Science & Business Media. This book was released on 2008-09-02 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to specifically focus on semiconductor nanocrystals, and address their synthesis and assembly, optical properties and spectroscopy, and potential areas of nanocrystal-based devices. The enormous potential of nanoscience to impact on industrial output is now clear. Over the next two decades, much of the science will transfer into new products and processes. One emerging area where this challenge will be very successfully met is the field of semiconductor nanocrystals. Also known as colloidal quantum dots, their unique properties have attracted much attention in the last twenty years.
Author : Joshua Aaron Schrier
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (35 download)
Download or read book Electron Spin-dependent Properties of Semiconductor Nanocrystals and Endohedral Fullerenes written by Joshua Aaron Schrier and published by . This book was released on 2005 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergio Ivan Carrillo Guerrero
Publisher :
ISBN 13 :
Total Pages : 73 pages
Book Rating : 4.:/5 (867 download)
Download or read book Electronic Structure and Optical Properties of Heterogeneous Nanocrystals written by Sergio Ivan Carrillo Guerrero and published by . This book was released on 2012 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this work is to give a description of the electronic structure and optical properties of semiconductor quantum dots (nanocrystals) containing heterojunctions, i.e. nano-junctions between two semiconductors. These nanostructures have interesting optical properties which are very promising for applications in photonics and photovoltaics. The theoretical description of the effects of the interface demands special attention. We start describing the calculations of the electronic structure of bulk semiconductors using semi-empirical tight-binding, and we show how to apply this technique to semiconductor quantum dots. We develop expressions to connect the discrete levels of energy in a quantum dot and the transitions in optical absorption spectra. The bulk tight-binding parameters are used for the calculation of the electronic structure of quantum dots of single compounds, analyzing the effect of the size variation of the quantum dots. The effectiveness of this method is demonstrated, in particular we obtain good values for the bandgap versus size compared to experiments. We apply this method to calculate the electronic structure of PbSe/CdSe core/shell quantum dots, after an analysis of the different types of interfaces that can appear in this system, and we discuss the issues related to the determination of the band offsets. The results of these calculations validate the assumption of the role of the shell as a potential barrier for the electron and the hole. The electronic structures are used in the last chapter to simulate the absorption spectra of PbSe, CdSe and PbSe/CdSe quantum dots. We give theoretical support to recent experiments in transient absorption spectroscopy, revealing groups of new transitions originated by photo-induced intraband absorption. Our calculations shed light on the nature of these optical transitions which can be of interest for applications in photonics.
Author : Tupei Chen
Publisher : CRC Press
ISBN 13 : 1315357003
Total Pages : 732 pages
Book Rating : 4.3/5 (153 download)
Download or read book Semiconductor Nanocrystals and Metal Nanoparticles written by Tupei Chen and published by CRC Press. This book was released on 2016-10-14 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor nanocrystals and metal nanoparticles are the building blocks of the next generation of electronic, optoelectronic, and photonic devices. Covering this rapidly developing and interdisciplinary field, the book examines in detail the physical properties and device applications of semiconductor nanocrystals and metal nanoparticles. It begins with a review of the synthesis and characterization of various semiconductor nanocrystals and metal nanoparticles and goes on to discuss in detail their optical, light emission, and electrical properties. It then illustrates some exciting applications of nanoelectronic devices (memristors and single-electron devices) and optoelectronic devices (UV detectors, quantum dot lasers, and solar cells), as well as other applications (gas sensors and metallic nanopastes for power electronics packaging). Focuses on a new class of materials that exhibit fascinating physical properties and have many exciting device applications. Presents an overview of synthesis strategies and characterization techniques for various semiconductor nanocrystal and metal nanoparticles. Examines in detail the optical/optoelectronic properties, light emission properties, and electrical properties of semiconductor nanocrystals and metal nanoparticles. Reviews applications in nanoelectronic devices, optoelectronic devices, and photonic devices.
