Mechanics of free-standing inorganic and molecular 2D materials

Nanoscale ◽  
2021 ◽  
Author(s):  
Xianghui Zhang ◽  
Andre Beyer
Keyword(s):  
Recent Progress ◽  
Mechanical Characterization ◽  
2D Materials ◽  
Two Dimensional ◽  
Free Standing ◽  
Inorganic As

The discovery of graphene has triggered a great interest in inorganic as well as molecular two-dimensional (2D) materials. In this review, we summarize recent progress in the mechanical characterization of...

Fabrication and Mechanical Characterization of Semi-Free-Standing (Conjugated) Polymer Thin Films

Langmuir ◽  
2013 ◽  
Vol 30 (18) ◽  
pp. 5217-5223 ◽  
Author(s):  
Jaime Martín ◽  
Miguel Muñoz ◽  
Mario Encinar ◽  
Montserrat Calleja ◽  
Marisol Martín-González
Keyword(s):  
Thin Films ◽  
Conjugated Polymer ◽  
Mechanical Characterization ◽  
Polymer Thin Films ◽  
Free Standing

scholarly journals Optical characterizations of two-dimensional materials using nonlinear optical microscopies of CARS, TPEF, and SHG

Nanophotonics ◽  
2018 ◽  
Vol 7 (5) ◽  
pp. 873-881 ◽  
Author(s):  
Rui Li ◽  
Yajun Zhang ◽  
Xuefeng Xu ◽  
Yi Zhou ◽  
Maodu Chen ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Second Harmonic ◽  
2D Materials ◽  
Two Dimensional ◽  
Raman Scattering Spectroscopy ◽  
Two Photon ◽  
Photon Excitation ◽  
Two Dimensional Materials ◽  
Anti Stokes

AbstractIn this paper, we employ the nonlinear optical microscopies of coherent anti-Stokes Raman scattering spectroscopy, two-photon excitation fluorescence, and second harmonic generation to characterize the properties of two-dimensional (2D) materials. With these nonlinear optical microscopy methods, we can not only clearly observe the surface topography of 2D materials but also reveal the quality of 2D materials. These nonlinear optical microscopies offer great potential for characterization of the properties of 2D materials.

scholarly journals Recent progress on exploring exceptionally high and anisotropic H+/OH− ion conduction in two-dimensional materials

2018 ◽  
Vol 9 (1) ◽  
pp. 33-43 ◽  
Author(s):  
Pengzhan Sun ◽  
Renzhi Ma ◽  
Takayoshi Sasaki
Keyword(s):  
Recent Progress ◽  
2D Materials ◽  
Two Dimensional ◽  
Ion Conduction ◽  
Recent Advances ◽  
Ion Conductivities ◽  
Two Dimensional Materials

An overview of recent advances in measuring and understanding the exceptionally high and anisotropic H+/OH− ion conductivities of representative 2D materials.

scholarly journals Advances in quantum light emission from 2D materials

Nanophotonics ◽  
2019 ◽  
Vol 8 (11) ◽  
pp. 2017-2032 ◽  
Author(s):  
Chitraleema Chakraborty ◽  
Nick Vamivakas ◽  
Dirk Englund
Keyword(s):  
Optical Properties ◽  
Binding Energy ◽  
Momentum Space ◽  
Recent Progress ◽  
Light Emission ◽  
2D Materials ◽  
Two Dimensional ◽  
Theoretical Understanding ◽  
Practical Applications ◽  
Spin Properties

AbstractTwo-dimensional (2D) materials are being actively researched due to their exotic electronic and optical properties, including a layer-dependent bandgap, a strong exciton binding energy, and a direct optical access to electron valley index in momentum space. Recently, it was discovered that 2D materials with bandgaps could host quantum emitters with exceptional brightness, spectral tunability, and, in some cases, also spin properties. This review considers the recent progress in the experimental and theoretical understanding of these localized defect-like emitters in a variety of 2D materials as well as the future advantages and challenges on the path toward practical applications.

Recent progress in two-dimensional inorganic quantum dots

2018 ◽  
Vol 47 (2) ◽  
pp. 586-625 ◽  
Author(s):  
Yuanhong Xu ◽  
Xiaoxia Wang ◽  
Wen Ling Zhang ◽  
Fan Lv ◽  
Shaojun Guo
Keyword(s):  
Quantum Dots ◽  
Recent Progress ◽  
2D Materials ◽  
Two Dimensional ◽  
Synthetic Routes

This review critically summarizes recent progress in the categories, synthetic routes, properties, functionalization and applications of 2D materials-based quantum dots (QDs).

scholarly journals Growth and in situ characterization of 2D materials by chemical vapour deposition on liquid metal catalysts: a review

Nanoscale ◽  
2021 ◽  
Vol 13 (6) ◽  
pp. 3346-3373
Author(s):  
Christos Tsakonas ◽  
Marinos Dimitropoulos ◽  
Anastasios C. Manikas ◽  
Costas Galiotis
Keyword(s):  
Liquid Metal ◽  
Chemical Vapour Deposition ◽  
Large Scale ◽  
Recent Progress ◽  
Vapour Deposition ◽  
2D Materials ◽  
Chemical Vapour ◽  
In Situ Characterization

In this review we highlight the recent progress in 2DM growth on LMCat, which in combination with in situ characterization presents a viable and large-scale sustainable direction that has the prospect of achieving defect-free 2D materials.

scholarly journals Recent Progress in the Synthesis of MoS2 Thin Films for Sensing, Photovoltaic and Plasmonic Applications: A Review

Materials ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3283
Author(s):  
Driss Mouloua ◽  
Ahmed Kotbi ◽  
Geetanjali Deokar ◽  
Khaled Kaja ◽  
Mimoun El Marssi ◽  
...  
Keyword(s):  
Thin Films ◽  
Ultrathin Films ◽  
Recent Progress ◽  
Gas Sensing ◽  
2D Materials ◽  
Chemical Processing ◽  
High Quality ◽  
Physical And Chemical ◽  
Theoretical Simulations

In the surge of recent successes of 2D materials following the rise of graphene, molybdenum disulfide (2D-MoS2) has been attracting growing attention from both fundamental and applications viewpoints, owing to the combination of its unique nanoscale properties. For instance, the bandgap of 2D-MoS2, which changes from direct (in the bulk form) to indirect for ultrathin films (few layers), offers new prospects for various applications in optoelectronics. In this review, we present the latest scientific advances in the field of synthesis and characterization of 2D-MoS2 films while highlighting some of their applications in energy harvesting, gas sensing, and plasmonic devices. A survey of the physical and chemical processing routes of 2D-MoS2 is presented first, followed by a detailed description and listing of the most relevant characterization techniques used to study the MoS2 nanomaterial as well as theoretical simulations of its interesting optical properties. Finally, the challenges related to the synthesis of high quality and fairly controllable MoS2 thin films are discussed along with their integration into novel functional devices.

Emerging beyond-graphene elemental 2D materials for energy and catalysis applications

2021 ◽  
Author(s):  
Feng Ru Fan ◽  
Ruoxing Wang ◽  
Hua Zhang ◽  
Wenzhuo Wu
Keyword(s):  
Recent Progress ◽  
2D Materials ◽  
Two Dimensional ◽  
Structures And Properties

This review summarizes the recent progress of elemental two-dimensional (2D) materials beyond graphene with unique structures and properties, focusing on their applications in energy and catalysis.

scholarly journals Oxidic 2D Materials

Materials ◽  
2021 ◽  
Vol 14 (18) ◽  
pp. 5213
Author(s):  
Oliver Dubnack ◽  
Frank A. Müller
Keyword(s):  
Thin Films ◽  
2D Materials ◽  
Research Field ◽  
Two Dimensional ◽  
Free Standing ◽  
Wide Range ◽  
Two Dimensional Materials ◽  
Application Potential ◽  
Manufacturing Technologies ◽  
Selection Of

The possibility of producing stable thin films, only a few atomic layers thick, from a variety of materials beyond graphene has led to two-dimensional (2D) materials being studied intensively in recent years. By reducing the layer thickness and approaching the crystallographic monolayer limit, a variety of unexpected and technologically relevant property phenomena were observed, which also depend on the subsequent arrangement and possible combination of individual layers to form heterostructures. These properties can be specifically used for the development of multifunctional devices, meeting the requirements of the advancing miniaturization of modern manufacturing technologies and the associated need to stabilize physical states even below critical layer thicknesses of conventional materials in the fields of electronics, magnetism and energy conversion. Differences in the structure of potential two-dimensional materials result in decisive influences on possible growth methods and possibilities for subsequent transfer of the thin films. In this review, we focus on recent advances in the rapidly growing field of two-dimensional materials, highlighting those with oxidic crystal structure like perovskites, garnets and spinels. In addition to a selection of well-established growth techniques and approaches for thin film transfer, we evaluate in detail their application potential as free-standing monolayers, bilayers and multilayers in a wide range of advanced technological applications. Finally, we provide suggestions for future developments of this promising research field in consideration of current challenges regarding scalability and structural stability of ultra-thin films.

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