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The safe and efficient management of hazardous radioactive iodine is significant for nuclear waste reprocessing and environmental industries. A novel supramolecular framework compound based on cucurbit[8]uril (Q[8]) and 4‐aminopyridine (4‐AP) is reported in this paper. In the single crystal structure of Q[8]‐(4‐AP), two 4‐AP molecules interact with the outer surface of Q[8] and the two other 4‐AP...
As an essential component of future full‐color displays, blue perovskite light‐emitting diodes (PeLEDs) still lag far behind the red and green counterparts in the device performances. In the mainstream quasi‐2D blue perovskite system, trap‐mediated nonradiative loss, low energy transfer efficiency, and interface fluorescence quenching remain significant challenges. Herein, guanidinium thiocyanate...
Both the uncoordinated Pb2+ and excess PbI2 in perovskite film will create defects and perturb carrier collection, thus leading to the open‐circuit voltage (VOC) loss and inducing rapid performance degradation of perovskite solar cells (PSCs). Herein, an additive of 3‐aminothiophene‐2‐carboxamide (3‐AzTca) that contains amide and amino and features a large molecular size is introduced to improve the...