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Phase stabilization via A-site ion anchoring for ultra-stable perovskite light emitting diodes
Shuo Ding1,2,3, Zhuoyuan Kong1,2,4, Yipeng Shen1,2,4
1Laboratory of Optoelectronic Information Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, China. xiangchaoyu@nimte.ac.cn.
Abstract:
A novel ion anchoring strategy stabilizes the perovskite phase, yielding ambient stable perovskite films and ultra-stable perovskite light-emitting diodes (PeLEDs) with an unprecedented operational half-lifetime over 37.2 years at 100 cd m-2 and exceeding 27% efficiency, marking a new stability benchmark for next-generation display and lighting applications.
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