Abstract
A solution growth approach for zinc oxide (ZnO) nanowires is highly appealing because ofthe low growth temperature and possibility for large area synthesis. Reported reactiontimes for ZnO nanowire synthesis, however, are long, spanning from several hours to days.In this work, we report on the rapid synthesis of ZnO nanowires on various substrates (suchas poly(ethylene terephthalate) (PET), silicon and glass) using a commercially availablemicrowave oven. The average growth rate of our nanowires is determined to be as high as100 nm min−1, depending on the microwave power. Transmission electron microscopy analysis revealed adefect-free single-crystalline lattice of the nanowires. A detailed analysis of the growthcharacteristics of ZnO nanowires as functions of growth time and microwave power isreported. Our work demonstrates the possibility of a fast synthesis route using microwaveheating for nanomaterials synthesis.
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