Synthesis And Characterization Of Doped Core Shell Quantum Dots
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Synthesis And Characterization Of Doped Core Shell Quantum Dots
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Author : Elizabeth J. Sodt
language : en
Publisher:
Release Date : 2007
Synthesis And Characterization Of Doped Core Shell Quantum Dots written by Elizabeth J. Sodt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Quantum dots categories.
The central theme of the research performed is the systematic modification of the optical properties of quantum dots by the formation of a shell of another quantum dot of a different band gap energy. Core/shell quantum dots such as CdS:Mn/CdS. CdS:Mn/ZnS, and ZnS:Mn/CdS with various concentrations of dopant Mn2+ in the core and shell concentrations have been synthesized under mild conditions in the aqueous phase using stoichiometric amounts of the surfactant stabilizer dodecyl sulfate. These quantum dots exhibit UV-vis, emission, and electron paramagnetic resonance (EPR) spectral behavior that is dependent on the concentration of the shell and the dopant Mn2+ in the core. The emission intensities of the core quantum dots do exhibit a systematic variation with Mn2+ concentration. When a shell is added a systematic variation in the emission intensity and lifetime that are inversely proportional to the concentration of the shell is observed. When the large band gap ZnS is added as a shell to the small band gap CdS, the Mn2+ ions migrate from the core to the shell which is manifested in the emission and EPR spectra. Additionally the mixing of the valence and conduction band energy states of the large and small band gap shell and core respectively is also manifested in the emission spectra. In the reverse case, namely when CdS is added as a shell to ZnS the migration is not observed and the mixing of the valence and conduction band energy levels is minimum. The tunable optical properties of these core/shell quantum dots make them excellent platforms for the generation of nanosensors for nerve gas analogs.
Handbook Of Ii Vi Semiconductor Based Sensors And Radiation Detectors
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Author : Ghenadii Korotcenkov
language : en
Publisher: Springer Nature
Release Date : 2023-02-02
Handbook Of Ii Vi Semiconductor Based Sensors And Radiation Detectors written by Ghenadii Korotcenkov and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-02 with Technology & Engineering categories.
Three-volumes book “Handbook of II-VI Semiconductor-Based Sensors and Radiation Detectors” is the first to cover both chemical sensors and biosensors and all types of photodetectors and radiation detectors based on II-VI semiconductors. It contains a comprehensive and detailed analysis of all aspects of the application of II-VI semiconductors in these devices. The second volume “Photodetectors” of a three-volume set, focus on the consideration of all types of optical detectors, including IR detectors, visible and UV photodetectors. This consideration includes both the fundamentals of the operation of detectors and the peculiarities of their manufacture and use. In particular, describes numerous strategies for their fabrication and characterization. An analysis of new trends in development of II-VI semiconductors-based photodetectors such as graphene/HgCdTe-, nanowire- and quantum dot-based photodetectors, as well as solution-processed, multicolor, flexible and self-powered photodetectors, are also given.
Core Shell Quantum Dots
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Author : Xin Tong
language : en
Publisher: Springer Nature
Release Date : 2020-07-01
Core Shell Quantum Dots written by Xin Tong and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-01 with Science categories.
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.
Colloidal Quantum Dot Optoelectronics And Photovoltaics
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Author : Gerasimos Konstantatos
language : en
Publisher: Cambridge University Press
Release Date : 2013-11-07
Colloidal Quantum Dot Optoelectronics And Photovoltaics written by Gerasimos Konstantatos and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-07 with Science categories.
Captures the most up-to-date research in the field, written in an accessible style by the world's leading experts.
Zno And Tio2 Based Nanostructures
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Author : Andrea Lamberti
language : en
Publisher: MDPI
Release Date : 2018-10-15
Zno And Tio2 Based Nanostructures written by Andrea Lamberti and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-15 with Science categories.
This book is a printed edition of the Special Issue "ZnO and TiO2 Based Nanostructures" that was published in Nanomaterials
Nanomaterial Volume 4
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Author : Jyotsna Chauhan
language : en
Publisher: Educreation Publishing
Release Date :
Nanomaterial Volume 4 written by Jyotsna Chauhan and has been published by Educreation Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with Education categories.
There are four volume of this book series, nanomaterial vol 1,2,3,4. The whole series covers the whole syllabus of MTech nanotechnology(RGPV). The main purpose of these books are to provide the complete syllabus of PG students at one place at very low cost.
Synthesis And Characterization Of Copper Doped Zinc Sulfide Nanomaterials For The Application Of Energy Efficient Electroluminescent Lighting
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Author : Carley Corrado
language : en
Publisher:
Release Date : 2011
Synthesis And Characterization Of Copper Doped Zinc Sulfide Nanomaterials For The Application Of Energy Efficient Electroluminescent Lighting written by Carley Corrado and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Silver Micro Nanoparticles
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Author : Samir Kumar
language : en
Publisher: BoD – Books on Demand
Release Date : 2021-09-15
Silver Micro Nanoparticles written by Samir Kumar and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-15 with Technology & Engineering categories.
This book describes the different methodologies for producing and synthesizing silver nanoparticles (AgNPs) of various shapes and sizes. It also provides an in-depth understanding of the new methods for characterizing and modifying the properties of AgNPs as well as their properties and applications in various fields. This book is a useful resource for a wide range of readers, including scientists, engineers, doctoral and postdoctoral fellows, and scientific professionals working in specialized fields such as medicine, nanotechnology, spectroscopy, analytical chemistry diagnostics, and plasmonics.
Semiconductor Nanocrystal Quantum Dots
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Author : Andrey Rogach
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-09-02
Semiconductor Nanocrystal Quantum Dots written by Andrey Rogach and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-02 with Technology & Engineering categories.
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.
Quantum Dots
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Author : Inamuddin
language : en
Publisher: Materials Research Forum LLC
Release Date : 2021-04-05
Quantum Dots written by Inamuddin and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-05 with Technology & Engineering categories.
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.