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Author: Zhuo Kang Publisher: John Wiley & Sons ISBN: 3527833870 Category : Technology & Engineering Languages : en Pages : 340
Book Description
Van der Waals Heterostructures A comprehensive resource systematically detailing the developments and applications of van der Waals heterostructures and devices Van der Waals Heterostructures is essential reading to understand the developments made in van der Waals heterostructures and devices in all aspects, from basic synthesis to physical analysis and heterostructures assembling to devices applications, including demonstrated applications of van der Waals heterostructure on electronics, optoelectronics, and energy conversion, such as solar energy, hydrogen energy, batteries, catalysts, biotechnology, and more. This book starts from an in-depth introduction of van der Waals interactions in layered materials and the forming of mixed-dimensional heterostructures via van der Waals force. It then comprehensively summarizes the synthetic methods, devices building processes and physical mechanism of 2D van der Waals heterostructures, and devices including 2D-2D electronics, 2D-2D optoelectronics, and mixed dimensional van der Waals heterostructures. In Van der Waals Heterostructures, readers can expect to find specific information on: The current library of 2D semiconductors and the current synthesis and performances of 2D semiconductors Controllable synthesis and assemble van der Waals heterostructures, physics of the van der Waals interface, and multi-field coupling effects 2D-2D electronics, 2D-2D optoelectronics, mixed dimensional van der Waals heterostructures, and van der Waals heterostructure applications on energy conversion Insight into future perspectives of the van der Waals heterostructures and devices with the detailed effective role of 2D materials for integrated electrical and electronic equipment
Author: Zhuo Kang Publisher: John Wiley & Sons ISBN: 3527833870 Category : Technology & Engineering Languages : en Pages : 340
Book Description
Van der Waals Heterostructures A comprehensive resource systematically detailing the developments and applications of van der Waals heterostructures and devices Van der Waals Heterostructures is essential reading to understand the developments made in van der Waals heterostructures and devices in all aspects, from basic synthesis to physical analysis and heterostructures assembling to devices applications, including demonstrated applications of van der Waals heterostructure on electronics, optoelectronics, and energy conversion, such as solar energy, hydrogen energy, batteries, catalysts, biotechnology, and more. This book starts from an in-depth introduction of van der Waals interactions in layered materials and the forming of mixed-dimensional heterostructures via van der Waals force. It then comprehensively summarizes the synthetic methods, devices building processes and physical mechanism of 2D van der Waals heterostructures, and devices including 2D-2D electronics, 2D-2D optoelectronics, and mixed dimensional van der Waals heterostructures. In Van der Waals Heterostructures, readers can expect to find specific information on: The current library of 2D semiconductors and the current synthesis and performances of 2D semiconductors Controllable synthesis and assemble van der Waals heterostructures, physics of the van der Waals interface, and multi-field coupling effects 2D-2D electronics, 2D-2D optoelectronics, mixed dimensional van der Waals heterostructures, and van der Waals heterostructure applications on energy conversion Insight into future perspectives of the van der Waals heterostructures and devices with the detailed effective role of 2D materials for integrated electrical and electronic equipment
Author: Rui Lv Publisher: ISBN: 9781085776806 Category : Graphene Languages : en Pages : 98
Book Description
In this dissertation, I report my work on making two-dimensional van der Waals heterostructure devices. Chapter one introduces the main concepts of the band structure of graphene and the quantum Hall effect. These are the necessary theoretical foundation to understand transport experiment results in the following chapters. Chapter two includes the device fabrication techniques and recipes for fabrication. In Chapter three, I illustrate different characterization methods to study the properties of van der Waals heterostructure devices. Chapter four presents more detailed work on transport measurements of twisted bilayer graphene devices.
Author: Zheng Zhang Publisher: John Wiley & Sons ISBN: 3527349502 Category : Technology & Engineering Languages : en Pages : 340
Book Description
Van der Waals Heterostructures A comprehensive resource systematically detailing the developments and applications of van der Waals heterostructures and devices Van der Waals Heterostructures is essential reading to understand the developments made in van der Waals heterostructures and devices in all aspects, from basic synthesis to physical analysis and heterostructures assembling to devices applications, including demonstrated applications of van der Waals heterostructure on electronics, optoelectronics, and energy conversion, such as solar energy, hydrogen energy, batteries, catalysts, biotechnology, and more. This book starts from an in-depth introduction of van der Waals interactions in layered materials and the forming of mixed-dimensional heterostructures via van der Waals force. It then comprehensively summarizes the synthetic methods, devices building processes and physical mechanism of 2D van der Waals heterostructures, and devices including 2D-2D electronics, 2D-2D optoelectronics, and mixed dimensional van der Waals heterostructures. In Van der Waals Heterostructures, readers can expect to find specific information on: The current library of 2D semiconductors and the current synthesis and performances of 2D semiconductors Controllable synthesis and assemble van der Waals heterostructures, physics of the van der Waals interface, and multi-field coupling effects 2D-2D electronics, 2D-2D optoelectronics, mixed dimensional van der Waals heterostructures, and van der Waals heterostructure applications on energy conversion Insight into future perspectives of the van der Waals heterostructures and devices with the detailed effective role of 2D materials for integrated electrical and electronic equipment
Author: Hung-Chieh Cheng Publisher: ISBN: Category : Languages : en Pages : 112
Book Description
Graphene, since its discovery in 2004, has stimulated considerable interest in two- dimensional layered materials research (2DLMs). Various applications have been investigated with the ever-expanding family of 2D materials, ranging from electronic, optoelectronic, sensing, energy storage and catalytic applications, etc. With weak van der Waals forces between layers, generally, 2DLMs can be exfoliated into atomically thin sheets and reassembled in a designed sequence for building artificial heterostructures, namely, van der Waals heterostructures (vdWHs). Except for the most common 2D material -- graphene, the building blocks for vdWHs also include semiconductors, insulators and even metallic materials. Such versatility has rendered vdWHs become a promising platform for high performance electronic and optoelectronic devices. Researchers have shown that the devices based vertically stacked vdWHs could be the candidates for transistors (barristors), photodetectors, light-emitting diodes and flexible electronics, etc. Particularly, the unique electronic properties of graphene have been playing very important roles in these vertically stacked vdWH devices. In addition to the transparency and extraordinary electrical conductivity of graphene, the work function of graphene can be modulated by varying the gate electric field, enabling a tunable electrical contact with other materials. With the experience we have built up with 2D materials, we further explored the possibilities of integrating a new category of materials - organic- inorganic hybrid perovskites. The hybrid perovskites are the newly emerging materials for high performance optoelectronic applications, which are mostly investigated for solar cell applications. The perovskite based solar cells have shown an astonishing improvement in power conversion efficiency from 3.8 to 22.1% in just few years. Such prominent performance has attracted tremendous research interests from different perspectives. However, these perovskite materials are generally not compatible with conventional nanodevice fabrication due to their considerable solubility in polar organic solvent and water. Despite such fabrication difficulties, we have proposed several approaches to fabricate electronic and optoelectronic devices based on the integration of perovskites and 2D materials. In this dissertation, I will show how we develop a universal water-free dry transfer method to solve the fabrication problems of perovskites and how we build new types of vdWHs with perovskites and 2D materials. We have realized the first van der Waals heterojunction devices based on perovskites and 2D materials, and achieved a high photo- responsivity (950 A/W) and a very high photoconductive gain (~2200) with graphene/perovskite/graphene vertical structure. Moreover, a unique and prominent gate-tunable photovoltaic effect has been observed in the vertically stacked perovskite/WSe2 heterojunction devices. Finally, we have investigated the doping effect induced by ionic solid and the ion migration in perovskites. A switchable p-n junction formation has been demonstrated on a monolayer WSe2 device by electrical poling, along with a very high external quantum efficiency up to 93% under the excitation of 532 nm laser. I believe that in the near future, such platform can enable more possibilities in both electronic and optoelectronic applications with the expanding 2D materials family and hybrid perovskites with compositional tunability.
Author: Giorgio Margaritondo Publisher: Springer Science & Business Media ISBN: 9400930739 Category : Science Languages : en Pages : 348
Book Description
E se non che di cid son vere prove A nd were it not for the true evidence Per piti e piti autori, che sa, ra. nno Of many authors who will be Per i miei versi nominati altrove, Mentioned elsewhere in my rhyme Non presterei alla penna 10. mana I would not lend my hand to the pen Per nota1' cid ch'io vidi, can temenza And describe my observations, for fear ehe non fosse do. altri casso e van 0; That they would be rejected and in vane; Mala lor chiara. e vera. esperienza But these authors' clear and true experience Mi assicura. nel dir, come persone Encourages me to report, since they Degne di fede ad ogni gra. n sentenza. Should always be trusted for their word. [From" Dittamondo", by Fazio degli UbertiJ Heterojunction interfaces, the interfaces between different semiconducting materi als, have been extensively explored for over a quarter of a century. The justifica tion for this effort is clear - these interfaces could become the building blocks of lllany novel solid-state devices. Other interfaces involving semiconductors are al ready widely used in technology, These are, for example, metal-semiconductor and insulator-semiconductor junctions and hOll1ojunctions. In comparison, the present applications of heterojunction int. erfaces are limited, but they could potentially becOlne lnuch lllore ext. ensive in the neal' future. The path towards the widespread use of heterojunctions is obstructed by several obstacles
Author: Kallol Roy Publisher: Springer Nature ISBN: 3030596273 Category : Technology & Engineering Languages : en Pages : 277
Book Description
This thesis deals with the development and in-depth study of a new class of optoelectronic material platform comprising graphene and MoS_2, in which MoS_2 is used essentially to sensitize graphene and lead to unprecedently high gain and novel opto-electronic memory effects. The results presented here open up the possibility of designing a new class of photosensitive devices which can be utilized in various optoelectronic applications including biomedical sensing, astronomical sensing, optical communications, optical quantum information processing and in applications requiring low intensity photodetection and number resolved single photon detection.
Author: Tatyana Shabatina Publisher: BoD – Books on Demand ISBN: 1838802533 Category : Technology & Engineering Languages : en Pages : 216
Book Description
Nowadays nanoscience and nanotechnologies provide us with many excellent examples of the unique solutions for the different technical problems and demands of human society. Smart stimuli-responsive nanosystems and nanomaterials are used in many fields such as medicine, biomedical, biotechnology, agriculture, environmental pollution control, cosmetics, optics, health, food, energy, textiles, automotive, communication technologies, agriculture, and electronics. The book “Smart Nanosystems for Biomedicine, Optoelectronics and Catalysis” describes the modern trends in nanoscience and nanotechnology for creation of smart hybrid nanosystems combining the inorganic nano-objects with organic, biological, and biocompatible materials, which create multifunctional and remotely controlled platforms for diverse technical and biomedical uses. The material includes several review and original research articles devoted to the problems of directed chemical and biological synthesis of such nanosystems, thorough analysis of their physical and chemical properties and prospects of their possible applications. We hope that the presented book will be useful for different nanoscience research groups and PhD and graduate students, to introduce them to the world of hybrid metal-organic and metal-biological nano-objects, and smart self-organizing nanosystems and open new ways of their possible use in different scientific and practical areas.
Author: Matthew Holwill Publisher: Springer ISBN: 303018529X Category : Science Languages : en Pages : 97
Book Description
Micro/nano-mechanical systems are a crucial part of the modern world providing a plethora of sensing and actuation functionalities used in everything from the largest cargo ships to the smallest hand-held electronics; from the most advanced scientific and medical equipment to the simplest household items. Over the past few decades, the processes used to produce these devices have improved, supporting dramatic reductions in size, but there are fundamental limits to this trend that require a new production paradigm. The 2004 discovery of graphene ushered in a new era of condensed matter physics research, that of two-dimensional materials. Being only a few atomic layers thick, this new class of materials exhibit unprecedented mechanical strength and flexibility and can couple to electric, magnetic and optical signals. Additionally, they can be combined to form van der Waals heterostructures in an almost limitless number of ways. They are thus ideal candidates to reduce the size and extend the capabilities of traditional micro/nano-mechanical systems and are poised to redefine the technological sphere. This thesis attempts to develop the framework and protocols required to produce and characterise micro/nano-mechanical devices made from two-dimensional materials. Graphene and its insulating analogue, hexagonal boron nitride, are the most widely studied materials and their heterostructures are used as the test-bed for potential device architectures and capabilities. Interlayer friction, electro-mechanical actuation and surface reconstruction are some of the key phenomena investigated in this work.
Author: Simon M. Sze Publisher: John Wiley & Sons ISBN: 0470068302 Category : Technology & Engineering Languages : en Pages : 828
Book Description
The Third Edition of the standard textbook and reference in the field of semiconductor devices This classic book has set the standard for advanced study and reference in the semiconductor device field. Now completely updated and reorganized to reflect the tremendous advances in device concepts and performance, this Third Edition remains the most detailed and exhaustive single source of information on the most important semiconductor devices. It gives readers immediate access to detailed descriptions of the underlying physics and performance characteristics of all major bipolar, field-effect, microwave, photonic, and sensor devices. Designed for graduate textbook adoptions and reference needs, this new edition includes: A complete update of the latest developments New devices such as three-dimensional MOSFETs, MODFETs, resonant-tunneling diodes, semiconductor sensors, quantum-cascade lasers, single-electron transistors, real-space transfer devices, and more Materials completely reorganized Problem sets at the end of each chapter All figures reproduced at the highest quality Physics of Semiconductor Devices, Third Edition offers engineers, research scientists, faculty, and students a practical basis for understanding the most important devices in use today and for evaluating future device performance and limitations. A Solutions Manual is available from the editorial department.
Author: Xin Tong Publisher: Springer Nature ISBN: 3030742709 Category : Technology & Engineering Languages : en Pages : 319
Book Description
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: Zhuo Kang
Author: Zhuo Kang
Author: Rui Lv
Author: Zheng Zhang
Author: Hung-Chieh Cheng
Author: Giorgio Margaritondo
Author: Kallol Roy
Author: Tatyana Shabatina
Author: Matthew Holwill
Author: Simon M. Sze
Author: Xin Tong