Abstract
ZnO nanorods are grown on large-area glass substrates with a ZnOoverlayer by an aqueous solution method at temperatures ranging from65 °C down to room temperature. The structure and morphology of the nanorods is studied withelectron microscopy. They are single crystalline and grow preferentially perpendicular tothe substrate. Their aspect ratio can be tailored by modifying the growth parameters.Self-assembly and subsequent selective growth of the nanorods is accomplished inpre-patterned substrates. Room temperature photoluminescence measurements reveal astrong band edge emission at 378 nm, while no defect-related visible emission is detectedexcept for the nanorods grown at RT.
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