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UV sensor based on an individual ZnO nanowire (NW) was fabricated by micro-grid template method. The photo-electric properties of the sensor were investigated under the illumination of He–Cd laser (325nm). The current–voltage (I–V) characteristics are linear and the resistivity of the ZnO NWs is calculated to be 1.7Ωcm in dark and 0.2Ωcm under UV illumination. The decay process, after the illumination...
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