Abstract
In this paper, hex-pod-like Cu 2O whiskers were successfully synthesized from a Cu(CH 3COO) 2 precursor under hydrothermal conditions, and examined by means of scanning electron microscopy, X-ray microprobe analysis, and X-ray diffraction. The effects of precursor concentration and pH, reaction temperature and time on the evolution of Cu 2O synthesis and morphology were investigated. The whiskers were composed of a nucleus and six pods. The pods grow along the 〈0 0 1〉 directions, and are bounded to {0 0 1} faces. The adjacent pods are perpendicular to each other. The dipolar characteristics of the Cu 2O {0 0 1} faces are the critical factors in the synthesis of the peculiar Cu 2O whiskers. Finally, a possible growth mechanism is proposed.
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