Two-dimensional tin perovskite nanoplate for pure red light-emitting diodes
2020-10-07
发表期刊JOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727
EISSN1361-6463
卷号53期号:41
发表状态已发表
DOI10.1088/1361-6463/ab9673
摘要

Halide perovskites are rising as promising luminescent materials for display applications for their sharp emission peaks and high luminescence quantum yield. However, the heavy metal character of lead is one concern that shadows its application. In this work, monolayer Ruddlesden-Popper 2D structural tin perovskite (PEA)(2)SnI4(PEA = C8H9NH3+) is explored for a pure red color light emitting diode (LED). The manipulation of crystal growth kinetics enables the formation of highly ordered nanoplates, bringing high luminescence yield approaching 10% with an emission peak at 630 nm. Meanwhile, the highly oriented and ordered nanoplates structure allows effective carrier injection. The LED shows a low turn on voltage of 2.2 V, an external quantum efficiency of 0.52% and a max luminance of 355 cd m(-2). The luminescence quantum yield is comparable to the best performing device based on lead perovskites in the pure red emission region. This work provides a strategy to explore 2D structures for efficient macroscale LEDs.

关键词perovskite light emitting diodes 2D material nanostructure
收录类别SCI ; SCIE ; EI
语种英语
资助项目Shanghai International Cooperation Project[16520720700] ; Shanghai Key Research Program[16JC1402100] ; National Natural Science Foundation of China[U1632118][21571129] ; Shanghai Synchrotron Radiation Facility, Analytical Instrumentation Center[SPST-AIC10112914]
WOS研究方向Physics
WOS类目Physics, Applied
WOS记录号WOS:000555596900001
出版者IOP PUBLISHING LTD
EI主题词Quantum efficiency
WOS关键词HALIDE PEROVSKITES ; ELECTROLUMINESCENCE ; TRANSITIONS ; EXCITONS ; GROWTH
原始文献类型Article
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/121743
专题物质科学与技术学院_硕士生
物质科学与技术学院_PI研究组_宁志军组
物质科学与技术学院_博士生
通讯作者Ning, Zhijun
作者单位
ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai, Peoples R China
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
第一作者的第一单位物质科学与技术学院
推荐引用方式
GB/T 7714
Liao, Yuan,Shang, Yuequn,Wei, Qi,et al. Two-dimensional tin perovskite nanoplate for pure red light-emitting diodes[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2020,53(41).
APA Liao, Yuan,Shang, Yuequn,Wei, Qi,Wang, Hao,&Ning, Zhijun.(2020).Two-dimensional tin perovskite nanoplate for pure red light-emitting diodes.JOURNAL OF PHYSICS D-APPLIED PHYSICS,53(41).
MLA Liao, Yuan,et al."Two-dimensional tin perovskite nanoplate for pure red light-emitting diodes".JOURNAL OF PHYSICS D-APPLIED PHYSICS 53.41(2020).
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