4-Chlorophenethylammonium iodide

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  4-Chlorophenethylammonium iodide or 4-chlorophenylethylammonium iodide (Cl-PEAI; CAS Number: 1639014-61-1) is a precursor in the preparation of perovskite-based opto-electronic systems including perovskite solar cells (Degani et al., 2021). The 4-chlorophenylethylammonium is a large organic cation which helps induce efficient defect passivation at the perovskite/ETL interface (Degani et al., 2021).
  
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  Degani, M., An, Q., Albaladejo-Siguan, M., Hofstetter, Y.J., Cho, C., Paulus, F., Grancini, G., Vaynzof, Y., 2021. 23.7% Efficient inverted perovskite solar cells by dual interfacial modification. Science advances, 7(49), p.eabj7930