Abstract
Pt triambic icosahedral nanocrystals (TIH NCs) enclosed by {771} high-index facets were successfully synthesized electrochemically, for the first time, in ChCl-urea based deep eutectic solvents, and exhibited higher electrocatalytic activity and stability towards ethanol electrooxidation than a commercial Pt black catalyst.
Highlights
Shape-controlled synthesis in deep eutectic solvents: triambic icosahedral platinum nanocrystals with high-index facets and their enhanced catalytic activity†
deep eutectic solvents (DESs) are a new class of eutectic-based ionic liquids (ILs), which can be produced using quaternary ammonium or phosphonium salts complexed with different hydrogen bond donors such as amides, carboxylic acids and polyols.[6]
We report the synthesis of triambic icosahedral (TIH) Pt nanocrystals (TIH Pt NCs), for the first time, in choline chloride (ChCl)–urea based DES by applying the electrochemical method
Summary
Shape-controlled synthesis in deep eutectic solvents: triambic icosahedral platinum nanocrystals with high-index facets and their enhanced catalytic activity†. Pt triambic icosahedral nanocrystals (TIH NCs) enclosed by {771} high-index facets were successfully synthesized electrochemically, for the first time, in ChCl–urea based deep eutectic solvents, and exhibited higher electrocatalytic activity and stability towards ethanol electrooxidation than a commercial Pt black catalyst.
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