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Author : Michael Campbell Hegg
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (663 download)
Download or read book Near-field Photodetection Via Nanocrystal Quantum Dots written by Michael Campbell Hegg and published by . This book was released on 2009 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xin Tong
Publisher : Springer Nature
ISBN 13 : 3030742709
Total Pages : 319 pages
Book Rating : 4.0/5 (37 download)
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.
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 : Ortwin Hess
Publisher : World Scientific
ISBN 13 : 1848165226
Total Pages : 182 pages
Book Rating : 4.8/5 (481 download)
Download or read book Photonics of Quantum-dot Nanomaterials and Devices written by Ortwin Hess and published by World Scientific. This book was released on 2012 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1. Introduction to photonic quantum dot nanomaterials and devices. 1.1. Physical properties of quantum dots. 1.2. Active semiconductor gain media. 1.3. Quantum dot lasers. 1.4. Laser cavities -- 2. Theory of quantum dot light-matter dynamics. 2.1. Rate equations. 2.2. Maxwell-Bloch equations. 2.3. Quantum luminescence equations. 2.4. Quantum theoretical description -- 3. Light meets matter I: microscopic carrier effect. 3.1. Dynamics in the active charge carrier plasma. 3.2. Dynamic level hole burning. 3.3. Ultrashort nonlinear gain and index dynamics. 3.4. Conclusion -- 4. Light meets matter II: mesoscopic space-time dynamics. 4.1. Introduction: transverse and longitudinal mode dynamics. 4.2. Influence of the transverse degree of freedom and nano-structuring on nearfield dynamics and spectra. 4.3. Longitudinal modes. 4.4. Coupled space-time dynamics. 4.5. Conclusion -- 5. Performance and characterisation: properties on large time and length scales. 5.1. Introduction. 5.2. Spatial and spectral beam quality. 5.3. Dynamic amplitude phase coupling. 5.4. Conclusion -- 6. Nonlinear pulse propagation in semiconductor quantum dot lasers. 6.1. Dynamic shaping of short optical pulses. 6.2. Nonlinear femtosecond dynamics. 6.3. Conclusion -- 7. High-speed dynamics. 7.1. Mode-locking in multi-section quantum dot lasers. 7.2. Dependence of pulse duration on injection current, bias voltage and device geometry. 7.3. Radio frequency spectra of the emitted light. 7.4. Short-pulse optimisation. 7.5. Conclusion -- 8. Quantum dot random lasers. 8.1. Spatially inhomogeneous semiconductor quantum dot ensembles. 8.2. Coherence properties. 8.3. Random lasing in semiconductor quantum dot ensembles. 8.4. Conclusion -- 9. Coherence properties of quantum dot micro-cavity lasers. 9.1. Introduction. 9.2. Radial signal propagation and coherence trapping. 9.3. Influence of disorder. 9.4. Conclusions
Author : E. S. W. Kong
Publisher : John Wiley & Sons
ISBN 13 : 1118866959
Total Pages : 582 pages
Book Rating : 4.1/5 (188 download)
Download or read book Nanomaterials, Polymers and Devices written by E. S. W. Kong and published by John Wiley & Sons. This book was released on 2015-04-13 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing an eclectic snapshot of the current state of the art and future implications of the field, Nanomaterials, Polymers, and Devices: Materials Functionalization and Device Fabrication presents topics grouped into three categorical focuses: The synthesis, mechanism and functionalization of nanomaterials, such as carbon nanotubes, graphene, silica, and quantum dots Various functional devices which properties and structures are tailored with emphasis on nanofabrication. Among discussed are light emitting diodes, nanophotonic, nano-optical, and photovoltaic devices Nanoelectronic devices, which include semiconductor, nanotube and nanowire-based electronics, single-walled carbon-nanotube based nanoelectronics, as well as thin-film transistors
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 : Maoquan Chu
Publisher : #N/A
ISBN 13 : 9813142901
Total Pages : 191 pages
Book Rating : 4.8/5 (131 download)
Download or read book Semiconductor Quantum Dots And Rods For In Vivo Imaging And Cancer Phototherapy written by Maoquan Chu and published by #N/A. This book was released on 2017-06-19 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cancer is fast becoming one of the main causes of death worldwide. Unfortunately many cases are diagnosed at an advanced incurable stage, and these lives are usually lost. Early diagnosis and treatment are very important for increasing disease curability. In recent years, novel techniques for cancer diagnosis and therapy have been developed, and nanobiomedicine appears to show the most promising results.The application of nanotechnology to biology and medicine in cancer diagnosis is termed nanobiomedicine. Nanoparticles 1-100 nm in size usually have unique physical and/or chemical properties, and this has attracted great attention in the cancer research. Preparation and biomedical applications of the nanoparticles are key components in nanobiomedicine. Semiconductor nanocrystals, including quantum dots (QDs) and quantum rods (QRs), have been extensively investigated for drug delivery, biomedical imaging and tumor target therapy.In Semiconductor Quantum Dots and Rods for In Vivo Imaging and Cancer Phototherapy, the QD and QR optical properties, sentinel lymph node mapping, in vivo tumor target imaging, self-illuminating QDs for in vivo imaging, in vivo cancer photothermal therapy and photodynamic therapy, QD-graphene nanosheet, and QD-magnetic hybrid nanocomposites for bioimaging and cancer therapy are discussed. This book may interest under- and postgraduate students in the field of bioengineering (especially cancer phototherapy) and medical professions alike.
Download or read book Coupling Single Giant Nanocrystal Quantum Dots to the Fundamental Mode of Patch Nanoantennas Through Fringe Field written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Through single dot spectroscopy and numerical simulation studies, we demonstrate that the fundamental mode of gold patch nanoantennas have fringe-field resonance capable of enhancing the nano-emitters coupled around the edge of the patch antenna. This fringe-field coupling is used to enhance the radiative rates of core/thick-shell nanocrystal quantum dots (g-NQDs) that cannot be embedded into the ultra-thin dielectric gap of patch nanoantennas due to their large sizes. We attain 14 and 3 times enhancements in single exciton radiative decay rate and bi-exciton emission efficiencies of g-NQDs respectively, with no detectable metal quenching. Our numerical studies confirmed our experimental results and further reveal that patch nanoantennas can provide strong emission enhancement for dipoles lying not only in radial direction of the circular patches but also in the direction normal to the antennas surface. Finally, this provides a distinct advantage over the parallel gap-bar antennas that can provide enhancement only for the dipoles oriented across the gap.
Author : Maria Losurdo
Publisher : Springer Science & Business Media
ISBN 13 : 3642339565
Total Pages : 740 pages
Book Rating : 4.6/5 (423 download)
Download or read book Ellipsometry at the Nanoscale written by Maria Losurdo and published by Springer Science & Business Media. This book was released on 2013-03-12 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents and introduces ellipsometry in nanoscience and nanotechnology making a bridge between the classical and nanoscale optical behaviour of materials. It delineates the role of the non-destructive and non-invasive optical diagnostics of ellipsometry in improving science and technology of nanomaterials and related processes by illustrating its exploitation, ranging from fundamental studies of the physics and chemistry of nanostructures to the ultimate goal of turnkey manufacturing control. This book is written for a broad readership: materials scientists, researchers, engineers, as well as students and nanotechnology operators who want to deepen their knowledge about both basics and applications of ellipsometry to nanoscale phenomena. It starts as a general introduction for people curious to enter the fields of ellipsometry and polarimetry applied to nanomaterials and progresses to articles by experts on specific fields that span from plasmonics, optics, to semiconductors and flexible electronics. The core belief reflected in this book is that ellipsometry applied at the nanoscale offers new ways of addressing many current needs. The book also explores forward-looking potential applications.
Author : Sungjee Kim
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (55 download)
Download or read book Novel Type-II Nanocrystal Quantum Dots and Versatile Oligomeric Phosphine Ligands written by Sungjee Kim and published by . This book was released on 2003 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) Exploiting the design flexibilities of type-II quantum dots and the superior stabilities from oligomeric phosphine ligands, aqueous soluble near-infrared quantum dots for biomedical imaging are obtained. They are optimized for the emission wavelength, absorption cross-section, hydrodynamic size, and photoluminescence quantum yield. Using these quantum dots in small and large animal model systems, sentinel lymph node mapping, a major cancer staging procedure, is successfully performed in real-time using near-infrared light. Oliogomeric phosphine ligands with polymerizable moieties are used to incorporate quantum dots into polymer microspheres. The ligands enable co-polymerization of quantum dots with heterogeneous polymer matrices without phase separations or aggregations. Their potential applications for full color, particle-based displays, and information storage are demonstrated.
Author : Frank W. Wise
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 : 9780819455291
Total Pages : 408 pages
Book Rating : 4.4/5 (552 download)
Download or read book Selected Papers on Semiconductor Quantum Dots written by Frank W. Wise and published by SPIE-International Society for Optical Engineering. This book was released on 2005 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor quantum dots, also known as nanocrystals, are structures with electronic and optical properties that can be engineered through the size of the structure, not just the composition. Quantum confinement of charge carriers leads to a wide range of intriguing physical and chemical phenomena, and is a new degree of freedom in material design. Semiconductor quantum dots have potential for applications ranging from optoelectronic devices to biological imaging. The papers selected for this volume treat the fundamental properties of semiconductor quantum dots and form a significant part of the foundation on which the current field of nanoscience research is built.
Author : Maurizio Casalino
Publisher : MDPI
ISBN 13 : 3036500448
Total Pages : 148 pages
Book Rating : 4.0/5 (365 download)
Download or read book Miniaturized Silicon Photodetectors written by Maurizio Casalino and published by MDPI. This book was released on 2021-01-15 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicon (Si) technologies provide an excellent platform for the design of microsystems where photonic and microelectronic functionalities are monolithically integrated on the same substrate. In recent years, a variety of passive and active Si photonic devices have been developed, and among them, photodetectors have attracted particular interest from the scientific community. Si photodiodes are typically designed to operate at visible wavelengths, but, unfortunately, their employment in the infrared (IR) range is limited due to the neglectable Si absorption over 1100 nm, even though the use of germanium (Ge) grown on Si has historically allowed operations to be extended up to 1550 nm. In recent years, significant progress has been achieved both by improving the performance of Si-based photodetectors in the visible range and by extending their operation to infrared wavelengths. Near-infrared (NIR) SiGe photodetectors have been demonstrated to have a “zero change” CMOS process flow, while the investigation of new effects and structures has shown that an all-Si approach could be a viable option to construct devices comparable with Ge technology. In addition, the capability to integrate new emerging 2D and 3D materials with Si, together with the capability of manufacturing devices at the nanometric scale, has led to the development of new device families with unexpected performance. Accordingly, this Special Issue of Micromachines seeks to showcase research papers, short communications, and review articles that show the most recent advances in the field of silicon photodetectors and their respective applications.
Author : A. M. Mintairov
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (742 download)
Download or read book Apparent Microcavity Effect in the Near-Field Photoluminescence of a Single Quantum Dot written by A. M. Mintairov and published by . This book was released on 2000 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present low-temperature near-field scanning optical microscopy (NSOM) measurements of self-organized InP quantum dots (QD) embedded in a 3lamba/2 GaInP layer. We observed an anomalously strong increase of the emission energy (^27O meV) of a single QD by changing the tip-to-surface distance over ^100 nm in the near-field region. The effect indicates formation of a near-field microcavity having extremely high photon-exciton mixing.
Download or read book "Giant" Nanocrystal Quantum Dots for Light-emission Applications written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vladimir Lesnyak
Publisher : Frontiers Media SA
ISBN 13 : 2889632695
Total Pages : 110 pages
Book Rating : 4.8/5 (896 download)
Download or read book Colloidal Semiconductor Nanocrystals: Synthesis, Properties, and Applications written by Vladimir Lesnyak and published by Frontiers Media SA. This book was released on 2020-01-06 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Xiao
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (119 download)
Download or read book Synthesis of Nanocrystal Quantum Dots with Enhanced Photoluminescence for Luminescent Optoelectronics written by James Xiao and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jan Schäfer
Publisher :
ISBN 13 : 9783941741034
Total Pages : 193 pages
Book Rating : 4.7/5 (41 download)
Download or read book Lasing from Nanocrystal Quantum Dots in Levitated Microdrops at Low Concentrations written by Jan Schäfer and published by . This book was released on 2009 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt:
