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Boosting the Efficiency and Stability of Perovskite Light-Emitting Devices by a 3-Amino-1-propanol-Tailored PEDOT:PSS Hole Transport Layer
R. T. Fan, L. Song, Y. S. Hu, X. Y. Guo, X. Y. Liu, L. S. Wang, C. Geng, S. Xu, Y. H. Zhang, Z. H. Zhang, N. N. Luan and W. G. Bi
2020
发表期刊Acs Applied Materials & Interfaces
ISSN1944-8244
卷号12期号:38页码:43331-43338
摘要Properties of the underlying hole transport layer (HTL) in perovskite light-emitting devices (PeLEDs) play a critical role in determining the optoelectronic performance through influencing both the charge transport and the quality of the active perovskite emission layer (EML). This work focuses on manipulating the carrier transport behavior and obtaining a high-quality EML film by tailoring the poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) HTL with previously unused amino alcohol 3-amino-1-propanol (3AP). The modified PEDOT:PSS rendered a deeper work function that is more suitable for the hole injection from the HTL to EML. More importantly, the 3AP-modified PEDOT:PSS film can induce a low-dimensional perovskite phase that can passivate the defects in the EML, resulting in a significantly improved light emission. Such ameliorations consequently result in a dramatical enhancement in performance of PeLED with a low turn-on voltage of 2.54 V, a maximum luminance of 23033 cd/m(2), a highest current efficiency of 29.38 cd/A, a corresponding maximum external quantum efficiency of 9.4%, and a prolonged lifetime of 6.1 h at a proper Cs/Pb ratio.
DOI10.1021/acsami.0c13214
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收录类别SCI ; EI
语种英语
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/64340
专题中国科学院长春光学精密机械与物理研究所
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GB/T 7714
R. T. Fan, L. Song, Y. S. Hu, X. Y. Guo, X. Y. Liu, L. S. Wang, C. Geng, S. Xu, Y. H. Zhang, Z. H. Zhang, N. N. Luan and W. G. Bi. Boosting the Efficiency and Stability of Perovskite Light-Emitting Devices by a 3-Amino-1-propanol-Tailored PEDOT:PSS Hole Transport Layer[J]. Acs Applied Materials & Interfaces,2020,12(38):43331-43338.
APA R. T. Fan, L. Song, Y. S. Hu, X. Y. Guo, X. Y. Liu, L. S. Wang, C. Geng, S. Xu, Y. H. Zhang, Z. H. Zhang, N. N. Luan and W. G. Bi.(2020).Boosting the Efficiency and Stability of Perovskite Light-Emitting Devices by a 3-Amino-1-propanol-Tailored PEDOT:PSS Hole Transport Layer.Acs Applied Materials & Interfaces,12(38),43331-43338.
MLA R. T. Fan, L. Song, Y. S. Hu, X. Y. Guo, X. Y. Liu, L. S. Wang, C. Geng, S. Xu, Y. H. Zhang, Z. H. Zhang, N. N. Luan and W. G. Bi."Boosting the Efficiency and Stability of Perovskite Light-Emitting Devices by a 3-Amino-1-propanol-Tailored PEDOT:PSS Hole Transport Layer".Acs Applied Materials & Interfaces 12.38(2020):43331-43338.
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