| 학회 |
한국공업화학회 |
| 학술대회 |
2022년 봄 (05/11 ~ 05/13, 제주국제컨벤션센터(ICC JEJU)) |
| 권호 |
26권 1호 |
| 발표분야 |
포스터-디스플레이 |
| 제목 |
Composition-Dependent Optoelectronic Properties of Mixed 2D/3D Metal Halide Perovskite Films for Light-Emitting Diodes |
| 초록 |
Herein, we investigated the optoelectronic quality of thin films and their impact on luminescence and transport behaviors in a mixed 2D/3D perovskite system containing 2D butylammonium lead bromide (BA2PbBr4) and 3D formamidinium lead bromide (FAPbBr3). Ultrafast transient absorption and temperature-dependent photoluminescence measurements revealed distinct changes in nonemissive decay of the excited states, including the vibrational coupling properties. These behaviors could then be closely correlated with the crystallographic evolution of the perovskite films. We rationalized the performance of PeLED devices and determined the possible limitations to further utilize the advantageous properties of mixed 2D/3D perovskite systems by examining both the luminescence and electrical properties of the perovskite films. |
| 저자 |
조수영1, 허예진1, 신윤섭2, 장호진2, 조새벽2, 호동해1, 이주홍2, 김승수2, 김가영2, 송영재2, 명재민2, 이준엽2, 김동호1, 이진욱2, 조정호1
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| 소속 |
1연세대, 2성균관대 |
| 키워드 |
Binding energy; Carrier dynamics; Defects; Electrical conductivity; Perovskites
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| E-Mail |
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