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Synthesis of Copper Nanowires via a Complex-Surfactant-Assisted Hydrothermal Reduction Process

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journal contribution
posted on 20.11.2003, 00:00 by Zhaoping Liu, You Yang, Jianbo Liang, Zhaokang Hu, Shu Li, Sheng Peng, Yitai Qian
This paper describes a simple complex-surfactant-assisted hydrothermal reduction approach to the facile synthesis of metal copper nanowires with average diameters of ∼85 nm and lengths of several tens of micrometers. These copper nanowires were formed through the reduction of the CuII−glycerol complexes (Cu(C3H6O3)) by phosphite (HPO32-) in the presence of surfactant sodium dodecyl benzenesulfonate (SDBS) at 120 °C. High-resolution transmission electron microscopy (HRTEM) and selected-area electron diffraction (SAED) indicate that the resulted nanowires had preferred [11̄0] growth direction. The formation mechanism for Cu nanowires had been properly proposed. Some influencing factors on the morphologies of the final products had also been discussed.