Perovskite solar cells (PSCs) are a cost-effective, lightweight alternative to silicon-based panels, but iodine leakage has limited their durability. In order to improve these cells, a group of ...

Iodine in water is yellow, and when added to the copper solution ... Pour 1M CuCl2 into one test tube to a depth of 2". Pour the CuCl2/I2 mixture into three test tubes to depths of 2" each. To one of ...

Iodine in water is yellow, and when added to the copper solution ... To Conduct Demonstration: Pour 1M CuCl2 into one test tube to a depth of 2". Pour the CuCl2/I2 mixture into three test tubes to ...

The degradation mainly occurs because of the generation of molecular iodine (I2), which can penetrate the perovskite layer, causing chain reactions that further deteriorate the device. To enhance ...