Electrochemical-repaired porous graphene membranes for precise ion-ion separation

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Electrochemical liquid-phase electron microscopy (ec-LPEM) has been seen as a promising technique for revealing new insights into electrochemical phenomena that occur at the micro- and nanoscale levels, particularly at the solid-liquid interface. Specifica ...

Zero-dimensional pores spanning only a few angstroms in size in two-dimensional materials such as graphene are some of the most promising systems for designing ion-ion selective membranes. However, the key challenge in the field is that so far a crack-free ...

Single-layer graphene, hosting a high density of functionalized molecular-sieving atom-thick pores, is considered to be an excellent material for gas separation membranes. These functionalized atom-thick pores enable the shortest transport pathway across t ...

Electrochemical techniques conventionally lack spatial resolution and average local information over an entire electrode. While advancements in spatial resolution have been made through scanning probe methods, monitoring dynamics over large areas is still ...

Controlled atomic patterning is an attractive tool to fine tune properties of graphitic lattice. Several O-functionalized derivatives of graphitic lattice have been widely studied, e.g., graphene oxide, reduced graphene oxide, and functionalized carbon nan ...

Disorder at etched edges of graphene quantum dots (GQD) enables random all-to-all interactions between localized charges in partially filled Landau levels, providing a potential platform to realize the Sachdev-Ye-Kitaev (SYK) model. We use quantum Hall edg ...

Real-world samples of graphene often exhibit various types of out-of-plane disorder-ripples, wrinkles and folds-introduced at the stage of growth and transfer processes. These complex out-of-plane defects resulting from the interplay between self-adhesion ...

Ordered two-dimensional (2D) materials hosting Å-scale pores are highly promising for enabling challenging separation, thanks to well-defined pore geometry resulting in tight confinement of ions when hosted inside the pore. In addition, the 2D nature of th ...

Nanostructured graphitic materials, including graphene hosting Å to nanometer-sized pores, have attracted attention for various applications such as separations, sensors, and energy storage. Graphene with Å-scale pores is a promising next-generation materi ...

Conventional techniques for purifying macromolecular conjugates often require complex and costly installments that are inaccessible to most laboratories. In this work, we develop a one-step micropreparative method based on a trilayered polyacrylamide gel e ...

Graphite has been intensively studied, yet its electron spins dynamics remains an unresolved problem even 70 years after the first experiments. The central quantities, the longitudinal (T-1) and transverse (T-2) relaxation times were postulated to be equal ...

Polymer-based nanocomposites emerged in the 1960s as a groundbreaking approach to advanced materials. By incorporating robust, durable, and multifunctional nanomaterials into a polymer matrix, the performance of nanocomposites has significantly surpassed t ...

The unique mechanical and electrical properties of graphene make it an exciting material for nanoelectromechanical systems (NEMS). NEMS resonators with graphene springs facilitate studies of graphene's fundamental material characteristics and thus enable i ...

Plasmonic photochemistry has a large potential to replace energy-intensive chemical processes with low-temperature, low-pressure light-driven chemical reactions. Plasmonic nanostructures have emerged as promising photocatalysts with exceptional and tunable ...

The escalating energy demand and the imperative necessity to reduce the carbon footprint require transformative approaches to energy conversion. Materials chemistry plays a pivotal role in addressing these global challenges by developing novel materials fo ...

Strain is inevitable in two-dimensional (2D) materials, regardless of whether the film is suspended or supported. However, the direct measurement of strain response at the atomic scale is challenging due to the difficulties of maintaining both flexibility ...

Cotton fibers, a natural cellulose, have played a critical role in the development of wearable energy storage, owning to their wearability, integrability, eco-benignity, and cost effectiveness. Graphene, a two-dimensional carbon material, possesses excelle ...

Pore topology and chemistry play crucial roles in the adsorption characteristics of metal-organic frameworks (MOFs). To deepen our understanding of the interactions between MOFs and CO2 during this process, we systematically investigate the adsorption prop ...

Van der Waals heterostructures (vdWHSs) enable the fabricationof complex electronic devices based on two-dimensional (2D) materials.Ideally, these vdWHSs should be fabricated in a scalable and repeatableway and only in the specific areas of the substrate t ...

The combination of palladium salts and bipyridyl ligands can lead to the formation of a large variety of coordination complexes, with different shapes and sizes, displaying a very versatile host-guest chemistry. Increasing their structural complexity remai ...

Electrochemical-repaired porous graphene membranes for precise ion-ion separation

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Liquid-phase electron microscopy of electrochemical processes: Microcells configuration, corrosion of aluminium current collector and lithium-ion battery cycling

Tuning Pore Size in Graphene in the Angstrom Regime for Highly Selective Ion-Ion Separation

Functionalized Å-scale Pores in Graphene for Carbon Capture

Monitoring Electrochemical Dynamics through Single-Molecule Imaging of hBN Surface Emitters in Organic Solvents

Nanolithography of the nanocorral structure of chemisorbed oxygen atoms on the graphitic lattice

Magneto-Thermoelectric Transport in Graphene Quantum Dot with Strong Correlations

Electronic transport in graphene with out-of-plane disorder

Crystal, defect, and morphology engineering of porous two-dimensional materials for ionic separation

Mechanistic study on the evolution of vacancies in graphene by oxidation by scanning tunneling microscopy

Micropreparative Gel Electrophoresis for Purification of Nanoscale Bioconjugates

Ultralong 100 ns spin relaxation time in graphite at room temperature

Highly dispersed nanomaterials in polymer matrix via aerosol-jet-based multi-material 3D printing

Resonant Transducers Consisting of Graphene Ribbons with Attached Proof Masses for NEMS Sensors

Plasmonic Nanostructures for Photocatalysis: Material, Photonic and Electronic Effects

Hybrid organic/metal-oxide shells on semiconductor nanocrystals via colloidal atomic layer deposition

In-situ atomic level observation of the strain response of graphene lattice

Cotton yarns decorated with hydrothermally reduced graphene oxide for flexible supercapacitors

Adsorption in Pyrene-Based Metal-Organic Frameworks: The Role of Pore Structure and Topology

Selective Growth of van der Waals Heterostructures Enabled by Electron-Beam Irradiation

Palladium-based supramolecular assemblies: from complex structures to water-soluble anion-receptors