Influences of different interdigital spacing on the performance of UV photodetectors based on ZnO nanofibers

•ZnO nanofibers were fabricated by using an electrospinning method.•Au interdigital electrodes were deposited on the ZnO NFs to form devices.•We prepared three types of devices with different interdigital spacing.•The performances of devices are improved by shortening the interdigital spacing. ZnO n...

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