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Figure 6
(a) Metal–semiconductor–metal type X-ray photodetector. Width and spacing of the metal grids are 200 µm. Top-view SEM image denotes the morphology of the ZnO nanostructures. (b) XRD profile of the ZnO nanostructure-based X-ray photodetector. (c) X-ray-induced photocurrent and dark current profiles as a function of applied voltage. The photo-to-dark-current ratio at 10 V is approximately 250. (d) Sensing profiles for applied voltage of 10 V during repeated X-ray on/off.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 29| Part 4| July 2022| Pages 1114-1121
https://doi.org/10.1107/S1600577522006397
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