Fig. 5: DCS X-ray detector array and X-ray imaging. | Nature Communications

Fig. 5: DCS X-ray detector array and X-ray imaging.

From: Realizing nearly-zero dark current and ultrahigh signal-to-noise ratio perovskite X-ray detector and image array by dark-current-shunting strategy

Fig. 5: DCS X-ray detector array and X-ray imaging.The alt text for this image may have been generated using AI.

a Schematic illustration of the DCS X-ray detector array. b Optical image of a fraction of detector array of nine pixels. c, The pixel pitch is 312.5 μm. The photosensitive area is 30 μm × 200 μm. d Electron mobility distribution of randomly selected 400 pixels. e Stability test of the DCS detector. The X-ray photon energy is 50 keV and the dose rate is 0.85 mGyair s−1. The total received dose is 8.5 Gyair. f The image contrast is determined the value of Inet/Idark at different X-ray dose rates. g The optical image of the 64 × 64 detector array and a 2 mm thick stainless steel mask plate with a hollowed-out figure of ‘Qiushi Eagle’. h Obtained X-ray image while the DCS electrode is biased with CV (0.56 V). i Top view of the coil spring in the capsule. The coil spring cannot be seen by eyes. j Top view of the coil spring. k Obtained X-ray image of the coil spring in the capsule, with the DCS electrode biased with the CV (0.56 V).

Back to article page