Room-temperature electroluminescence from two-dimensional lead halide perovskites

Renzhi Li, Chang Yi, Rui Ge, Wei Zou, Lu Cheng, Nana Wang, Jianpu Wang, Wei Huang

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76 引用 (Scopus)

摘要

Room-temperature electroluminescence (EL) is demonstrated from a light-emitting diode (LED) based on two-dimensional lead halide perovskites, (C6H5NH3)2PbI4. The device has a multilayer structure of ITO/Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate)/(C6H5CH2NH3)2PbI4/Bathophenanthroline/Al. The EL emission peaks at 526 nm with a narrow full width at half maximum of 15 nm, which origins from perovskite exciton emission. The LED device exhibits a maximum luminance of ∼9 cd m-2 at a bias of 5 V.

源语言英语
文章编号151101
期刊Applied Physics Letters
109
15
DOI
出版状态已出版 - 10 10月 2016

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