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Dendritic Cu–M (M = Fe/Co/Ni) microstructures with good catalytic performances were successfully prepared through a rapid electrodeposition route.

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Shape-controllable synthesis of copper telluride micro/ nanostructures has been successfully realized in air at room temperature by a simple galvanostatic electrodeposition route. By tuning experimental parameters such as the original Cu and Te sources, additives, deposition currents and media, copper telluride micro/nanostructures with various morphologies, including nanorod arrays, nanosphere-strewn copper telluride dendrites, copper telluride nanowires and star-like hexagonal copper telluride dendrites, were rapidly deposited in air at room temperature for 5 min. The final products were characterized by various means including X-ray diffraction, scanning electron microscopy, (high-resolution) transmission electron microscopy, and energydispersive spectrometry. The mechanisms of copper telluride production in various media are discussed.

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