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News — Graphene Oxide

2D Materials Can Now be Controlled with Redox Reactions

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Researchers at the Pohang University of Science & Technology (POSTECH) Department of Chemistry have discovered that redox reactions can be used to control the properties of two-dimensional (2D) materials.  Redox reactions between water and oxygen molecules in the air drive an electrochemical reaction within 2D materials that dopes them with charges from the surrounding environment.  For this experiment, graphene and tungsten disulfide were analyzed, using Raman spectroscopy and photoluminescence imaging respectively, to demonstrate this phenomenon on the nanoscale.  Key material properties such as the magnetic, optical, and electrical nature of the materials were all controllable via redox manipulation.  Now that...

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5 Reasons Nanomaterials are the Future of Energy Storage

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An international conglomerate of scientists and researchers from Drexel, Stanford, Graphene Labs, the Center for Advancing Electronics Dresden (CFAED) and others have collaborated to develop a report that details how the future of energy storage technology lies in nanomaterials.  The chief benefits of nanomaterials can be summarized into five major categories: Lifetime – nanoparticles allow devices to achieve longer lifetimes due to their minimized contact area, which prevents strain induced degradation during battery cycling. Flexibility – nanowire (1D) and nanoflake (2D) materials are both compatible with flexible devices while simultaneously achieving high electronic and ionic conductivity. Manufacturing – the unique...

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