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This thesis by Joseph Halim focuses on the synthesis and characterization of two-dimensional (2D) nanocrystals and thin films of transition metal carbides, known as MXenes. It explores the chemical and physical properties of MXenes, which include materials like Ti3C2Tx and Ti2CTx, and their potential applications in electronics, photonics, and energy storage devices such as Li-ion batteries. The research examines the synthesis of MXenes through etching processes and investigates their surface chemistries using techniques like X-ray Photoelectron Spectroscopy (XPS). The work aims to advance the understanding and utilization of MXenes in various technological applications.

Transition metal carbides. --- Nanocrystals.

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Electron metallography --- Transition metal carbides --- Transition metal nitrides --- Metallography --- Metallography

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Order-disorder models. --- Transition metal carbides. --- Transition metal nitrides. --- Transition metal oxides.

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This book is dedicated to highlighting some relevant advances in the field of thin films and coatings based on two-dimensional crystals and layered nanomaterials. Due to their layered structure, graphene and a variety of new 2D inorganic nanosystems, called “graphene analogues”, have all attracted tremendous interest due to their unprecedented properties/superior performance, and may find applications in many fields from electronics to biotechnology. These two-dimensional systems are ultrathin and, hence, tend to be flexible, also presenting distinctive and nearly intrinsic characteristics, including electronic, magnetic, optical, thermal conductivity, and superconducting properties. Furthermore, the combination of different structures and synergetic effects may open new and unprecedented perspectives, making these ideal advanced materials for multifunctional assembled systems. As far as the field of coatings is concerned, new layered nanostructures may offer unique and multifunctional properties, including gas barrier, lubricant, conductive, magnetic, photoactive, self-cleaning, and/or antimicrobial surfaces. This book contains new findings on the synthesis and perspectives of multifunctional films that are at the forefront of the science and coating technologies.

MoS2 nanosheets --- composites coating --- corrosion --- transition metal nitrides --- electrochemical delamination --- Cu film --- dye-sensitized solar cells --- layered materials --- electroless NiP alloy --- bubble transfer --- PtPd --- photoresponse --- van der Waals heterostructures --- MoS2 --- stanene --- water --- microbial fuel cells --- counter electrode --- PEMFC --- combustion --- molybdenum disulfide --- silicene --- free-standing films --- energy conversion efficiency --- nanowire --- chemical vapor transport deposition --- transition metal carbides --- nondestructive --- reusability --- tungsten disulfide --- graphene --- surface enhanced Raman spectroscopy --- 2D --- reduced graphene oxide --- transition metal dichalcogenides --- epitaxial growth --- WS2 --- Pt nanoparticles --- graphene/MoS2/Si heterostructure --- mechanism --- thermal management --- transition metal carbonitrides --- interfaces --- photoluminescence --- air-cathode --- germanene --- 2D materials --- microhardness --- monolayer --- coatings --- stainless steel mesh electrode --- carbon nitride --- chemical vapor deposition --- two-dimensional materials --- plasma --- thermal conductivity --- plasmonic structure --- graphene suspension