[(H<sub>2</sub>en)<sub>7</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<i><sub>n</sub></i>(Pb<sub>4</sub>I<sub>18</sub>)<i><sub>n</sub></i>·4<i>n</i>H<sub>2</sub>O, a New Type of Perovskite Co-templated\nby Both Organic Cations and Anions
Zhang-Jing Zhang (3627809)Guo-Cong Guo (1395913)Gang Xu (219455)Ming-Lai Fu (2464837)Jian-Ping Zou (1449319)Jin-Shun Huang (1680835)
Abstract
A novel inorganic−organic hybrid [(H<sub>2</sub>en)<sub>7</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>]<i><sub>n</sub></i>(Pb<sub>4</sub>I<sub>18</sub>)<i><sub>n</sub></i>·4<i>n</i>H<sub>2</sub>O\nhas been synthesized by employing an organic anionic−cationic\nco-template. It shows a new type of perovskite structure, featuring\nan unprecedented staircase-like inorganic network. The title\ncompound exhibits an intriguing semiconducting property with <i>E</i>\n<sub>g</sub>\n= 2.47 eV and strong photoluminescence arising from band-edge\ntransitions.
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