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Cadmium Telluride Quantum Dots
Author: John DoneganPublish On: 2016-04-19
Among nanomaterials, CdTe holds special technological importance as the only known II-VI material that can form conventional p-n junctions. This makes CdTe very important for the dev
Author: John Donegan
In the last two decades, semiconductor quantum dots—small colloidal nanoparticles—have garnered a great deal of scientific interest because of their unique properties. Among nanomaterials, CdTe holds special technological importance as the only known II–VI material that can form conventional p–n junctions. This makes CdTe very important for the development of novel optoelectronic devices such as light-emitting diodes, solar cells, and lasers. Moreover, the demand for water-compatible light emitters and the most common biological buffers give CdTe quantum dots fields a veritable edge in biolabeling and bioimaging. Cadmium Telluride Quantum Dots: Advances and Applications focuses on CdTe quantum dots and addresses their synthesis, assembly, optical properties, and applications in biology and medicine. It makes for a very informative reading for anyone involved in nanotechnology and will also benefit those scientists who are looking for a comprehensive account on the current state of quantum dot–related research.
Categories: Science
The Anticoagulant Properties of Cadmium Telluride Quantum Dots
Author: Publish On: 2018
Abstract: The size‐dependent optical properties of quantum dots (QDs) are frequently exploited for use in medical imaging and labelling applications.
ISBN: OCLC:1052076459
Abstract: The size‐dependent optical properties of quantum dots (QDs) are frequently exploited for use in medical imaging and labelling applications. Similarly, presented here, they also elicit profound size‐dependent anticoagulant properties. Cadmium telluride quantum dot (QDs) (3.2nm) were shown to have a dramatic anticoagulant effect centred on around the intrinsic coagulation pathway, compared to their 3.6 nm counterparts. Several clinically relevant diagnostic tests were carried out over a concentration range of the QDs and demonstrated that the 3.2 nm QDs elicited their response on the intrinsic pathway as a whole, yet the activity of the individual intrinsic coagulation factors was not affected. The mechanism appears also to be strongly influenced by the concentration of calcium ions and not cadmium ions leached from the QDs. Static and shear‐based primary haemostasis assays were also carried out, demonstrating a profound anticoagulant effect which was independent of platelets and phospholipids. The data presented here suggest that the physical–chemical properties of the QDs may have a role in the modulation of haemostasis and the coagulation cascade, in a yet not fully understood mechanism. This study has implications for the use of similar QDs as diagnostic or therapeutic tools in vivo, and for the occupational health and safety of those working with such materials. Abstract : Cadmium telluride quantum dots (3.2nm) exhibit a profound anticoagulant response centred on the intrinsic pathway. The mechanism appears also to be strongly influenced by the concentration of calcium ions and not the presence of cadmium ions.
Colloidal Quantum Dot Optoelectronics and Photovoltaics
Author: Gerasimos KonstantatosPublish On: 2013-11-07
1 10 11 12 13 14 15 N. Gaponik, D. V. Talapin, A. L. Rogach, et al., Thiol-capping
of CdTe nanocrystals: an alternative to organometallic ... In Semiconductor
Nanocrystal Quantum Dots: Synthesis, Assembly, Spectroscopy and Applications
, ed.
Author: Gerasimos Konstantatos
Captures the most up-to-date research in the field, written in an accessible style by the world's leading experts.
Nonmagnetic and Magnetic Quantum Dots
Author: Vasilios N. StavrouPublish On: 2018-04-04
Synthesis and characterization of surface-modified colloidal cadmium telluride
quantum dots. ... Oluwafemi OS, Daramola OA, Ncapayi V. A facile green
synthesis of type II water soluble CdTe/CdS core shell nanoparticles. Materials
Letters ...
Author: Vasilios N. Stavrou
Publisher: BoD – Books on Demand
The book entitled Nonmagnetic and Magnetic Quantum Dots is divided into two sections. In Section 1, the chapters are related to nonmagnetic quantum dots and their applications. More specifically, exact models and numerical methods have been presented to describe the analytical solution of the carrier wave functions, the quantum mechanical aspects of quantum dots, and the comparison of the latter to experimental data. Furthermore, methods to produce quantum dots, synthesis techniques of colloidal quantum dots, and applications on sensors and biology, among others, are included in this section. In Section 2, a few topics of magnetic quantum dots and their applications are presented. The section starts with a theoretical model to describe the magnetization dynamics in magnetic quantum dot array and the description of dilute magnetic semiconducting quantum dots and their applications. Additionally, a few applications of magnetic quantum dots in sensors, biology, and medicine are included in Section 2.
Green Metal Nanoparticles
Author: Suvardhan KanchiPublish On: 2018-11-06
Ananth, D.A., Rameshkumar, A., Jeyadevi, R., Jagadeeswari, S., Nagarajan, N.,
Renganathan, R., Sivasudha, T., Antibacterial potential of rutin conjugated with
thioglycolic acid capped cadmium telluride quantum dots (TGA-CdTe QDs).
Author: Suvardhan Kanchi
Category: Technology & Engineering
The use of biological sources such as microbes and plants can help in synthesizing nanoparticles in a reliable and eco-friendly way. The synthesis of nanoparticles by these natural sources is characterized by processes that take place near to ambient temperature and pressures and also near neutral pH. This edited volume authored by subject specialists, provides all the latest research and builds a database of bioreduction agents to various metal nanoparticles using different precursor systems. The book also highlights the different strategies such as simplicity, cost-effectiveness, environment-friendly and easily scalable, and includes parameters for controlling the size and shape of the materials developed from the various greener methods. In order to exploit the utmost potential metal nanoparticles synthesis from the different sources such as agricultural waste, flora and fauna, food waste, microbes and biopolymer systems, it is also crucial to recognize the biochemical and molecular mechanisms of production of nanoparticles and their characterization.
Categories: Technology & Engineering
Chemosensors
Author: Binghe WangPublish On: 2011-08-24
A new nanobiosensor for glucose based on the FRET between concanavalin A (
ConA)modified CdTe quantum dots and B-CD-modified gold nanoparticles has
been recently reported [64]. Quantum dots such as CdS, CdTe, and ZnS ...
Author: Binghe Wang
A thorough, accessible, and general overview of chemosensors Providing a comprehensive overview of chemosensors—organic molecules designed to bind and sense small molecules or metal ions—and their applications, Chemosensors: Principles, Strategies, and Applications is an accessible one-stop resource for analysts, clinicians, and graduate students studying advanced chemistry and chemosensing. Chemosensors function on a molecular level, generating a signal upon binding. The book reviews their synthesis, design, and applications for detecting biological and organic molecules as well as metal ions. The text highlights applications in drug discovery and catalyses that have not been well covered elsewhere. Covering such topics as molecular recognition, detection methods, design strategies, and important biological issues, the book is broken into four sections that examine intermolecular interactions, strategies in sensor design, detection methods, and case studies in metal, saccharide, and amino acid sensing. An indispensable source of information for chemical and biomedical experts using sensors, Chemosensors includes case studies to make the material both accessible and understandable to chemists of all backgrounds.
Issues in Chemistry and General Chemical Research 2011 Edition
Author: Publish On: 2012-01-09
(2010 JAN 29) Bhabha Atomic Research Center, Maharashtra: Ultrafast Charge
Carrier Relaxation and Charge Transfer Dynamics of CdTe/CdS Core-Shell
Quantum Dots as Studied by Femtosecond Transient Absorption Spectroscopy "
We ...
Publisher: ScholarlyEditions
Issues in Chemistry and General Chemical Research: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Chemistry and General Chemical Research. The editors have built Issues in Chemistry and General Chemical Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Chemistry and General Chemical Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Chemistry and General Chemical Research: 2011 Edition has been produced by the world's leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Comprehensive Nanoscience and Technology
Synthesis of cadmium telluride quantum wires and the similarity of their effective
band gaps to those of equidiameter cadmium telluride quantum dots. Journal of
the American Chemical Society. 2008;130:7997–8005. Yu H, Li JB, Loomis RA, ...
From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other.
Ethylamines Advances in Research and Application 2012 Edition
Southwest University, Chongqing: Characterization of the interaction between
mercaptoethylamine capped CdTe quantum dots with human serum albumin and
its analytical application "CdTe quantum dots (QDs) were synthesized in
aqueous ...
Ethylamines—Advances in Research and Application: 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Ethylamines. The editors have built Ethylamines—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Ethylamines in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Ethylamines—Advances in Research and Application: 2012 Edition has been produced by the world's leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Mercury Cadmium Telluride
Author: Peter CapperPublish On: 2011-06-20
... low-dimensional or nanostructures based on MCT, which include superlattices
(SLs), quantum wells [165], quantum wires, quantum dots [166], or nanoparticles [
167]. Of those listed, HgTe/MCT superlattices have in particular attracted much ...
Author: Peter Capper
Mercury cadmium telluride (MCT) is the third most well-regarded semiconductor after silicon and gallium arsenide and is the material of choice for use in infrared sensing and imaging. The reason for this is that MCT can be 'tuned' to the desired IR wavelength by varying the cadmium concentration. Mercury Cadmium Telluride: Growth, Properties and Applications provides both an introduction for newcomers, and a comprehensive review of this fascinating material. Part One discusses the history and current status of both bulk and epitaxial growth techniques, Part Two is concerned with the wide range of properties of MCT, and Part Three covers the various device types that have been developed using MCT. Each chapter opens with some historical background and theory before presenting current research. Coverage includes: Bulk growth and properties of MCT and CdZnTe for MCT epitaxial growth Liquid phase epitaxy (LPE) growth Metal-organic vapour phase epitaxy (MOVPE) Molecular beam epitaxy (MBE) Alternative substrates Mechanical, thermal and optical properties of MCT Defects, diffusion, doping and annealing Dry device processing Photoconductive and photovoltaic detectors Avalanche photodiode detectors Room-temperature IR detectors
Leading Edge Nanotechnology Research Developments
Author: Donald M. SabatiniPublish On: 2007
The PL wavelength was determined by the QD size due to the quantum
confinement effect . The PL properties of the CdTe QDs were not changed upon
aging in air for several months . When studying time - dependent PL ...
INTRODUCTION Semiconductor quantum dots ( QDs ) , with the. *
Corresponding author . E - mail ...
Author: Donald M. Sabatini
Publisher: Nova Publishers
Nanotechnology is a 'catch-all' description of activities at the level of atoms and molecules that have applications in the real world. A nanometer is a billionth of a meter, about 1/80,000 of the diameter of a human hair, or 10 times the diameter of a hydrogen atom. Nanotechnology is now used in precision engineering, new materials development as well as in electronics; electromechanical systems as well as mainstream biomedical applications in areas such as gene therapy, drug delivery and novel drug discovery techniques. This book present simportant breakthroughs in the field from around the world.
Advances in Parathion Research and Application 2011 Edition
Central China Normal University, Wuhan: Covalent coupling of
organophosphorus hydrolase loaded quantum dots to ... enzyme (MPDE) onto a
modified electrode through CdTe quantum dots (CdTe QDs) covalent attachment,
" researchers in ...
Advances in Parathion Research and Application: 2011 Edition is a ScholarlyPaper™ that delivers timely, authoritative, and intensively focused information about Parathion in a compact format. The editors have built Advances in Parathion Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Parathion in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Parathion Research and Application: 2011 Edition has been produced by the world's leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Nanobiophotonics and Biomedical Applications
Cadmium telluride ( CdTe ) quantum dots , with a diameter of approximately 3nm
, were synthesized then rendered water ... CdTe quantum dots may be imaged
and excited at nearinfrared wavelengths , depending on the size of the dot . CdTe
ISBN: UOM:39015058300859
Category: Biophotometry
Categories: Biophotometry
Selenium and Tellurium Chemistry
Author: J. Derek WoollinsPublish On: 2011-07-28
Metal chalcogenides have many potential applications: cadmium telluride thin
films form one layer in CdS/CdTe polycrystalline solar cells [8], thin films and
quantum dots in the CIGS family of materials, for our purposes copper indium or ...
Author: J. Derek Woollins
Our knowledge of the chemistry of selenium and tellurium has seen significant progress in the last few decades. This monograph comprises contributions from leading scientists on the latest research into the synthesis, structure and bonding of novel selenium and tellurium compounds. It provides insight into mechanistic studies of these compounds and describes coordination chemistry involving selenium and tellurium containing ligands. Contributions also describe the theoretical and spectroscopic studies of selenium and tellurium compounds. Additionally, this monograph outlines the applications of selenium and tellurium in biological systems, materials science and as reagents in organic synthesis and shows how these applications have been a fundamental driving force behind the research into the inorganic and organic chemistry these fascinating elements.
Mercaptoethylamines Advances in Research and Application 2011 Edition
"Cadmium telluride quantum dots (QDs) were prepared and coated with
cysteamine using ultrasonic irradiation. The QDs were characterized by
fluorescence spectroscopy, UV-vis absorption spectra, X-ray diffraction and
infrared spectroscopy ...
Mercaptoethylamines: Advances in Research and Application: 2011 Edition is a ScholarlyPaper™ that delivers timely, authoritative, and intensively focused information about Mercaptoethylamines in a compact format. The editors have built Mercaptoethylamines: Advances in Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Mercaptoethylamines in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Mercaptoethylamines: Advances in Research and Application: 2011 Edition has been produced by the world's leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Categories: Medical
High Performance Computing in Science and Engineering 07
Author: Wolfgang E. NagelPublish On: 2007-12-18
We present electronic band structures for the (110), and (100) PbTe/ CdTe
interfaces. The first principles ... recently the formation of PbTe quantum dots in a
crystalline CdTe host matrix has been demonstrated by Heiss et al. [1]. They
observed ...
Author: Wolfgang E. Nagel
Category: Mathematics
This book presents the state-of-the-art in simulation on supercomputers. Leading researchers present results achieved on systems of the Stuttgart High Performance Computing Center in 2007. The reports cover all fields of computational science and engineering, with emphasis on industrially relevant applications. Presenting results for both vector-based and microprocessor-based systems, the book allows comparison between performance levels and usability of various architectures.
Single Quantum Dots
Author: Peter MichlerPublish On: 2003-12-09
II-VI Single Quantum Dots Gerd Bacher Werkstoffe der Elektrotechnik, Fakultat fur
Ingenieurwissenschaften, Universitat Duisburg-Essen, 47057 Duisburg,
Germany g . ... CdTe/ZnTe [11] or CdSe/MgS [12]. Usually, P. Michler (Ed.):
Single ...
Author: Peter Michler
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.
Organoplatinum Compounds Advances in Research and Application 2013 Edition
Brno University of Technology: Glutathione modified CdTe quantum dots as a
label for studying DNA interactions with platinum based cytostatics By a News
Reporter-Staff News Editor at Biotech Week — Fresh data on DNA Research are
Organoplatinum Compounds—Advances in Research and Application: 2013 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about ZZZAdditional Research in a concise format. The editors have built Organoplatinum Compounds—Advances in Research and Application: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about ZZZAdditional Research in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Organoplatinum Compounds—Advances in Research and Application: 2013 Edition has been produced by the world's leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Author: Paul SiffertPublish On: 2004-07-26
22.4.2 GaAs and CdTe Quantum Dots for QC In the SiGe proposal, the onset of
spin resonance is caused by g-factor adjustment due to the relocation of the
electron wave function across layers with different germanium contents. There is
Author: Paul Siffert
With topics ranging from epitaxy through lattice defects and doping to quantum computation, this book provides a personalized survey of the development and use of silicon, the basis for the revolutionary changes in our lives sometimes called "The Silicon Age." Beginning with the very first developments more than 50 years ago, it reports on all aspects of silicon and silicon technology up to its use in exciting new technologies, including a glance at possible future developments. A team of expert authors, many of them pioneers in the field, have written informative and stimulating contributions that will be of interest to all scientists working with silicon.
Molecular Nano Dynamics
Author: Hiroshi FukumuraPublish On: 2009-09-09
CdTe. Quantum. Dots. Lingyun Pan, Yoichi Kobayashi, and Naoto Tamai 9.1
Introduction It is well known that semiconductor quantum dots (QDs) consisting of
several hundreds to thousands of atoms show optical properties different from the
Author: Hiroshi Fukumura
From artificial surfaces to living cells, Molecular Nano Dynamics, Vol. I and Vol. II explores more than 40 important methods for dynamic observation of the nanoscale. Edited by absolute science greats from Japan, this two-volume set covers all important aspects of this topic: nanoscale spectroscopy and characterization tools, nanostructure dynamics, single living cell dynamics, active surfaces, and single crystals. Destined to be the definitive reference work on nanoscale molecular dynamics and their observation for years to come, this is a must-have reference for chemists, physicists, physical chemists, theoretical chemists, and materials scientists.
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