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Light-induced active ion transport in graphene oxide membranes

Recent research in nanofluidics has adopted reconstructed layered two-dimensional (2D) sheets as a promising material platform for nanofluidics. These membranes contain a high volume fraction of interconnected 2D nanochannels. In new work, researchers demonstrate a coupled photon-electron-ion transport phenomenon through graphene oxide membranes. It shows a straightforward way on how to power the transport in 2D layered materials using the energy of light.

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[ASAP] Fundamental Transport Mechanisms and Advancements of Graphene Oxide Membranes for Molecular Separation

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Chemistry of Materials
DOI: 10.1021/acs.chemmater.8b03820

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[ASAP] Graphene-Encapsulated CuP2: A Promising Anode Material with High Reversible Capacity and Superior Rate-Performance for Sodium-Ion Batteries

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Nano Letters
DOI: 10.1021/acs.nanolett.9b00342

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[ASAP] Adsorption of Cd2+ and Ni2+ from Aqueous Single-Metal Solutions on Graphene Oxide-Chitosan-Poly(vinyl alcohol) Hydrogels

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Langmuir
DOI: 10.1021/acs.langmuir.8b04189

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[ASAP] Ultrathin Black Phosphorus-on-Nitrogen Doped Graphene for Efficient Overall Water Splitting: Dual Modulation Roles of Directional Interfacial Charge Transfer

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Journal of the American Chemical Society
DOI: 10.1021/jacs.9b00154

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Graphene and cobalt team up in new electromagnetic devices

Scientists recently discovered how, together, graphene and cobalt offer very relevant properties in the field of magnetism. They believe that this breakthrough could accelerate the development of new logic devices to store large amounts of data quickly and with reduced energy consumption.

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[ASAP] High-Quality Electrostatically Defined Hall Bars in Monolayer Graphene

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Nano Letters
DOI: 10.1021/acs.nanolett.9b00351

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Super superlattices: The moire patterns of three layers change the electronic properties of graphene

Combining an atomically thin graphene and a boron nitride layer at a slightly rotated angle changes their electrical properties. Physicists have now shown for the first time the combination with a third layer can result in new material properties also in a three-layer sandwich of carbon and boron nitride.

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Graphene and silk combine to make self-healable, multifunctional electronic tattoos

Electronic tattoos (e-tattoos) are an extremely thin form of wearable electronics. They are lightweight and soft, which allows them to be intimately mounted on human skin for noninvasive, high-fidelity sensing. During the operation of e-tattoos, they are constantly exposed to external mechanical inputs such as bending, twisting, pressing, and cutting, which may cause mechanical damage and lead to malfunction. Now, researchers have demonstrated a self-healing silk e-tattoo that shows high sensitivity to multiple stimuli, including strain, humidity, and temperature based on a unique graphene, silk fibroin, Ca2+ combination.

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New graphene-based device is first step toward ultrasensitive biosensors

Device could detect disease biomarkers at the molecular level and lead to new sensor technology.

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