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| Author | : Zihan Yao |
| Publisher | : |
| Total Pages | : |
| Release | : 2017 |
| Genre | : |
| ISBN | : |
| Author | : Jian Gao |
| Publisher | : |
| Total Pages | : 172 |
| Release | : 2016 |
| Genre | : |
| ISBN | : |
| Author | : Narayanasamy Sabari Arul |
| Publisher | : Springer |
| Total Pages | : 355 |
| Release | : 2019-07-30 |
| Genre | : Technology & Engineering |
| ISBN | : 9811390452 |
This book presents advanced synthesis techniques adopted to fabricate two-dimensional (2D) transition metal dichalcogenides (TMDs) materials with its enhanced properties towards their utilization in various applications such as, energy storage devices, photovoltaics, electrocatalysis, electronic devices, photocatalysts, sensing and biomedical applications. It provides detailed coverage on everything from the synthesis and properties to the applications and future prospects of research in 2D TMD nanomaterials.
| Author | : David Barroso |
| Publisher | : |
| Total Pages | : 79 |
| Release | : 2017 |
| Genre | : Alloys |
| ISBN | : 9780355754315 |
Interest in two-dimensional (2D) electronic materials has exploded in the past decade, starting with the isolation of single layer graphene in 2004 by Novoselov. Similar to graphene, as a stable material in the single-layer, transition metal dichalcogenides (TMDs) further the advancement of 2D materials, but also provide an intrinsic transition to a direct bandgap in the single layer, thus giving these materials an advantage over graphene. Furthermore, TMDs have some of the highest notable Ion/Ioff ratios of other 2D materials, making them extremely favorable. However, none of these 2D materials can be used as a standalone for modern electronic applications, therefore, heterostructures of these materials must be created. An understanding of the way these materials are synthesized and ways to manipulate the synthesis is necessary to achieve such structures. Chemical vapor deposition (CVD) is a commonly used method to create single-layer TMDs among others such as mechanical exfoliation and metal sulfurization/selenization. Here I present facile methods by which to synthesize pristine, pure, 2D TMDs via CVD process manipulation. Additionally, in-situ operation of the CVD furnaces leads to the ability to alloy these materials and create heterostructures, leading to a study of tunable optical and physical properties. Last, I show the use of various/nanofabricated features on growth substrates in order to lead to a deeper understanding of the growth mechanisms for TMDs.
| Author | : Pramoda Kumar Nayak |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 282 |
| Release | : 2016-08-31 |
| Genre | : Technology & Engineering |
| ISBN | : 9535125540 |
There are only a few discoveries and new technologies in materials science that have the potential to dramatically alter and revolutionize our material world. Discovery of two-dimensional (2D) materials, the thinnest form of materials to ever occur in nature, is one of them. After isolation of graphene from graphite in 2004, a whole other class of atomically thin materials, dominated by surface effects and showing completely unexpected and extraordinary properties, has been created. This book provides a comprehensive view and state-of-the-art knowledge about 2D materials such as graphene, hexagonal boron nitride (h-BN), transition metal dichalcogenides (TMD) and so on. It consists of 11 chapters contributed by a team of experts in this exciting field and provides latest synthesis techniques of 2D materials, characterization and their potential applications in energy conservation, electronics, optoelectronics and biotechnology.
| Author | : Alexander V. Kolobov |
| Publisher | : Springer |
| Total Pages | : 545 |
| Release | : 2016-07-26 |
| Genre | : Technology & Engineering |
| ISBN | : 3319314505 |
This book summarizes the current status of theoretical and experimental progress in 2 dimensional graphene-like monolayers and few-layers of transition metal dichalcogenides (TMDCs). Semiconducting monolayer TMDCs, due to the presence of a direct gap, significantly extend the potential of low-dimensional nanomaterials for applications in nanoelectronics and nano-optoelectronics as well as flexible nano-electronics with unprecedented possibilities to control the gap by external stimuli. Strong quantum confinement results in extremely high exciton binding energies which forms an interesting platform for both fundamental studies and device applications. Breaking of spatial inversion symmetry in monolayers results in strong spin-valley coupling potentially leading to their use in valleytronics. Starting with the basic chemistry of transition metals, the reader is introduced to the rich field of transition metal dichalcogenides. After a chapter on three dimensional crystals and a description of top-down and bottom-up fabrication methods of few-layer and single layer structures, the fascinating world of two-dimensional TMDCs structures is presented with their unique atomic, electronic, and magnetic properties. The book covers in detail particular features associated with decreased dimensionality such as stability and phase-transitions in monolayers, the appearance of a direct gap, large binding energy of 2D excitons and trions and their dynamics, Raman scattering associated with decreased dimensionality, extraordinarily strong light-matter interaction, layer-dependent photoluminescence properties, new physics associated with the destruction of the spatial inversion symmetry of the bulk phase, spin-orbit and spin-valley couplings. The book concludes with chapters on engineered heterostructures and device applications such as a monolayer MoS2 transistor. Considering the explosive interest in physics and applications of two-dimensional materials, this book is a valuable source of information for material scientists and engineers working in the field as well as for the graduate students majoring in materials science.
| Author | : Rui Zhao |
| Publisher | : |
| Total Pages | : |
| Release | : 2019 |
| Genre | : |
| ISBN | : |
Rapid development in Semiconductor research has brought excitement and challenges. New materials have pushed both academic and industry progress forward at a fast pace. Since the discovery of one-atomic layer of graphene in 2004, tremendous efforts have been devoted to pushing its properties to meet the technology demands, establish metrics and help accomplish milestones. The family of two-dimensional materials continue to expand. Transition metal dichalcogenides (TMDs) help compensate for the zero-bandgap of graphene and greatly increase the opportunities for their applications in electronics, optoelectronics, bioelectronics and medical-related applications. To enable electronic chips with higher density and faster processing/switching speeds and address technology bottlenecks, new correlated or functionalized two-dimensional materials are being positioned under the research spotlight. As one example, 1T phase tantalum disulfide (1T-TaS2) has presented a Mott state at around 180K, at which an abrupt change in its resistivity occurs. This unique property could help achieve two-dimensional Landau switch and realize ultra-low power, collective-state devices. However, large-scale synthesis of single crystalline monolayer of two-dimensional materials is still at its infancy. Fundamental questions as to the structural-property relationships of new materials or heterostructures await to be addressed. This dissertation focuses on the synthesis and characterizations of functional two-dimensional nanomaterials for beyond complementary metal oxide semiconductor industry. This dissertation starts with introducing the state of art of semiconductor industries and the progress of two-dimensional transition metal dichalcogenides (Chapter 1). It then addresses the two-dimensional materials synthesis methods and related characterization techniques (Chapter 2). Precursor selections and precursor-substrate interactions are discussed in Chapter 3. Then two specific nanomaterials are specially addressed in the next three chapters. Chapter 4 includes dissertation research work on synthesizing and characterization of pristine 1T-TaS2 while chapter 5 focus its functionalization and address the potential application and challenges. Chapter 6 is concentrated on 2H-MoS2 and evaluate its potentials in copper diffusion barriers. Chapter 7 provides a summary for all my research work and concludes this dissertation.
| Author | : Pramoda Kumar Nayak |
| Publisher | : |
| Total Pages | : 280 |
| Release | : 2016 |
| Genre | : Mining engineering. Metallurgy |
| ISBN | : 9789535141860 |
There are only a few discoveries and new technologies in materials science that have the potential to dramatically alter and revolutionize our material world. Discovery of two-dimensional (2D) materials, the thinnest form of materials to ever occur in nature, is one of them. After isolation of graphene from graphite in 2004, a whole other class of atomically thin materials, dominated by surface effects and showing completely unexpected and extraordinary properties, has been created. This book provides a comprehensive view and state-of-the-art knowledge about 2D materials such as graphene, hexagonal boron nitride (h-BN), transition metal dichalcogenides (TMD) and so on. It consists of 11 chapters contributed by a team of experts in this exciting field and provides latest synthesis techniques of 2D materials, characterization and their potential applications in energy conservation, electronics, optoelectronics and biotechnology.
| Author | : Chi Sin Tang |
| Publisher | : John Wiley & Sons |
| Total Pages | : 357 |
| Release | : 2023-11-14 |
| Genre | : Technology & Engineering |
| ISBN | : 3527350640 |
Two-Dimensional Transition-Metal Dichalcogenides Comprehensive resource covering rapid scientific and technological development of polymorphic two-dimensional transition-metal dichalcogenides (2D-TMDs) over a range of disciplines and applications Two-Dimensional Transition-Metal Dichalcogenides: Phase Engineering and Applications in Electronics and Optoelectronics provides a discussion on the history of phase engineering in 2D-TMDs as well as an in-depth treatment on the structural and electronic properties of 2D-TMDs in their respective polymorphic structures. The text addresses different forms of in-situ synthesis, phase transformation, and characterization methods for 2D-TMD materials and provides a comprehensive treatment of both the theoretical and experimental studies that have been conducted on 2D-TMDs in their respective phases. Two-Dimensional Transition-Metal Dichalcogenides includes further information on: Thermoelectric, fundamental spin-orbit structures, Weyl semi-metallic, and superconductive and related ferromagnetic properties that 2D-TMD materials possess Existing and prospective applications of 2D-TMDs in the field of electronics and optoelectronics as well as clean energy, catalysis, and memristors Magnetism and spin structures of polymorphic 2D-TMDs and further considerations on the challenges confronting the utilization of TMD-based systems Recent progress of mechanical exfoliation and the application in the study of 2D materials and other modern opportunities for progress in the field Two-Dimensional Transition-Metal Dichalcogenides provides in-depth review introducing the electronic properties of two-dimensional transition-metal dichalcogenides with updates to the phase engineering transition strategies and a diverse range of arising applications, making it an essential resource for scientists, chemists, physicists, and engineers across a wide range of disciplines.
| Author | : Eui-Hyeok Yang |
| Publisher | : Elsevier |
| Total Pages | : 502 |
| Release | : 2020-06-19 |
| Genre | : Technology & Engineering |
| ISBN | : 0128184760 |
Synthesis, Modelling and Characterization of 2D Materials and Their Heterostructures provides a detailed discussion on the multiscale computational approach surrounding atomic, molecular and atomic-informed continuum models. In addition to a detailed theoretical description, this book provides example problems, sample code/script, and a discussion on how theoretical analysis provides insight into optimal experimental design. Furthermore, the book addresses the growth mechanism of these 2D materials, the formation of defects, and different lattice mismatch and interlayer interactions. Sections cover direct band gap, Raman scattering, extraordinary strong light matter interaction, layer dependent photoluminescence, and other physical properties. Explains multiscale computational techniques, from atomic to continuum scale, covering different time and length scales Provides fundamental theoretical insights, example problems, sample code and exercise problems Outlines major characterization and synthesis methods for different types of 2D materials
