4-氯苯乙基碘化铵是制备钙钛矿基光电系统(包括钙钛矿太阳能电池)的前体。4-氯苯乙基铵是一种大型有机阳离子,有助于在钙钛矿/ETL 界面诱导有效的缺陷钝化。 4-chlorophenylethylammonium iodide is a precursor for preparing perovskite based photovoltaic systems, including perovskite solar cells. 4-chlorophenylethylammonium is a large organic cation, which helps to induce effective defect passivation at the perovskite / ETL interface.