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Articles by David Bodesheim
Mechanically interlocked monolayer and bilayer two-dimensional polymers with high elastic modulus
Two-dimensional polymers (2DPs), comprising mono- or multilayer covalent polymeric networks with long-range order in two orthogonal directions, are of considerable interest due to their unique physicochemical properties. However, achieving precise thickness control from monolayer to bilayer, crucial for exploring proximity effect-driven phenomena beyond the monolayer limit, remains synthetically challenging.
Elastic Properties of Defective 2D Polymers from Regression Driven Coarse-Graining
Two-dimensional polymers (2DPs) are an interesting class of polymers due to their reticular synthetic assembly, which make them an ideal platform for designing materials with specific target properties. Predicting and understanding their elastic behavior is crucial for their application.
Elastic Properties of Defective 2D Polymers from Regression Driven Coarse-Graining
Introduction Click to copy section linkSection link copied! Two-dimensional polymers (2DPs) are periodic networks created by regularly linking monomers in-plane. (1,2) Due to their structural diversity and unique properties, numerous applications have been explored such as gas separation (3) and storage, (4) membranes, (5) sensing (6) or energy storage.
Computational Design of the Electronic Response for Volatile Organic Compounds Interacting with Doped Graphene Substrates
Changes in the work function provide a fingerprint to characterize analyte binding in charge transfer-based sensor devices. Hence, a rational sensor design requires a fundamental understanding of the microscopic factors controlling the modification of the work function.
On-liquid surface synthesis of diyne-linked two-dimensional polymer crystals - Nature Communications
Abstract The synthesis of thin crystalline two-dimensional polymers (2DPs) typically relies on reversible dynamic covalent reactions. While substantial progress has been made in solution-based and interfacial syntheses, achieving 2DPs through irreversible carbon-carbon coupling reactions remains a formidable challenge.
Fracture Behavior of a 2D Imine-Based Polymer
2D polymers have emerged as a highly promising category of nanomaterials, owing to their exceptional properties. However, the understanding of their fracture behavior and failure mechanisms remains still limited, posing challenges to their durability in practical applications. This work presents an in-depth study of the fracture kinetics of a 2D polyimine film, utilizing in situ tensile testing within a transmission electron microscope (TEM).
Computational Design of the Electronic Response for Volatile Organic Compounds Interacting with Doped Graphene Substrates
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Fracture Behavior of a 2D Imine‐Based Polymer
1 Introduction 2D materials, such as graphene, graphene oxide (GO), boron nitride and transition metal dichalcogenides (TMDs) have been widely studied since being discovered because of their outstanding physical properties.[1-3] Many studies explore the mechanical properties of 2D materials by mechanical testing using atomic force microscopy (AFM) and nanoindentation.[4-6] However, since the fracture mechanisms on the nanoscale are different from those on the macroscale, size-dependent...
On-liquid-gallium surface synthesis of ultrasmooth thin films of conductive metal–organic frameworks - Nature Synthesis
Abstract Conductive metal–organic frameworks (MOFs) are emerging electroactive materials for (opto)electronics; however, it is challenging to achieve MOF-based devices using existing synthesis methods.
Site-selective chemical reactions by on-water surface sequential assembly - Nature Communications
Abstract Controlling site-selectivity and reactivity in chemical reactions continues to be a key challenge in modern synthetic chemistry. Here, we demonstrate the discovery of site-selective chemical reactions on the water surface via a sequential assembly approach. A negatively charged surfactant monolayer on the water surface guides the electrostatically driven, epitaxial, and aligned assembly of reagent amino-substituted porphyrin molecules, resulting in a well-defined J-aggregated structure.
Understanding the Balance of Entropy and Enthalpy in Hydrogen-Halide Noncovalent Bonding
Hydrogen bonds are of great scientific interest, determining the free energy landscape and hence chemical and physical properties of many materials systems, for example, the hybrid organic–inorganic perovskites. Although these interactions are critical, understanding them is difficult in complex, multicomponent systems; hydrogen halides are ideal as simple binary model compounds for understanding the role of hydrogen bonding in physical properties like phase transitions.
Tuning the Negative Thermal Expansion Behavior of the Metal-Organic Framework Cu3BTC2 by Retrofitting
The modular building principle of metal–organic frameworks (MOFs) presents an excellent platform to explore and establish structure–property relations that tie microscopic to macroscopic properties. Negative thermal expansion (NTE) is a common phenomenon in MOFs and is often ascribed to collective motions that can move through the structure at sufficiently low energies.
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