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Developing inventive approaches to control crystallization and suppress trap defects in perovskite films is crucial for achieving efficient perovskite photovoltaics. Here, a synchronous regulation strategy is developed that involves the infusion of a zwitterionic ionic liquid additive, pyrrolidinium thiocyanate (PySCN), into the perovskite precursor to optimize the subsequent crystallization and defects...
In actual computed tomography systems, detector nonuniformity can result in obvious concentric circles in reconstructed images and it is very important to correct it. Although nonuniformity can be corrected by current methods, residual nonuniformity still exists after correction. To resolve this problem, we have designed an effective correction algorithm based on the geometrical relationships in tomographic...
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