Abstract

A simple hydrothermal method has been developed to synthesize Cu2Se film on copper foil with the assistance of cetyltrimethylammonium bromide (CTAB) as a surfactant. The Cu2Se film was constructed by novel nanowire networks with length up to 50µm. The obtained product was characterized by XRD, SEM, HRTEM, Raman, and XPS techniques, revealing that Cu2Se nanowire possessed single-crystal structures. The shape of Cu2Se film changed from nanowire networks to perfect microflowers as the amount of CTAB increased. Such Cu2Se film may have great potential applications in biomedical engineering, sensors, and catalysis.

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