Abstract
We have demonstrated a simple and convenient chemical solution deposition method without employing catalysts, surfactants or carrier gases to synthesize sodium vanadate (β-Na0.33V2O5) nanowires (NWs) supported on conducting substrates. Both high resolution transmission electron microscopy and X-ray diffraction studies indicate the single-crystalline properties of such NWs. The morphologies of the β-Na0.33V2O5 NWs can be controlled by varying the growth temperature and duration. Moreover, the β-Na0.33V2O5 NWs show promising field emission (FE) performance with a high current density (54 mA cm−2), low turn-on field voltage (0.60 V μm−1) and a high degree of emission stability. These results suggest that β-Na0.33V2O5 NWs can serve as a candidate material for future electronic and FE devices.
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