Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot
oleh: Hobeom Kim, Joo Sung Kim, Jung-Min Heo, Mingyuan Pei, In-Hyeok Park, Zhun Liu, Hyung Joong Yun, Min-Ho Park, Su-Hun Jeong, Young-Hoon Kim, Jin-Woo Park, Emad Oveisi, Satyawan Nagane, Aditya Sadhanala, Lijun Zhang, Jin Jung Kweon, Sung Keun Lee, Hoichang Yang, Hyun Myung Jang, Richard H. Friend, Kian Ping Loh, Mohammad Khaja Nazeeruddin, Nam-Gyu Park, Tae-Woo Lee
| Format: | Article |
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| Diterbitkan: | Nature Portfolio 2020-07-01 |
Deskripsi
Ion migration can induce overshoot of luminance in normal 3D perovskite light-emitting diode devices and results in reduced lifetime. Here Kim et al. show that the ion migration and overshoot can be suppressed in 3D/2D hybrid perovskites, leading to 21 times longer operational lifetime.