Low‐Dimensional Phase Distribution of Quasi‐2D Perovskites Induced by Interfacial Effect Enables Efficient Blue Lighting‐Emitting Diodes

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Xu, Linlin;Wu, Zhixian;Jiang, Chunli;Liu, Mengqin;Li, Bo;...

通讯作者：

Peng, Hui;Luo, CH

作者机构：

[Jiang, Chunli; Li, Bo; Lin, Hechun; Luo, CH; Xu, Linlin; Wu, Zhixian; Luo, Chunhua; Peng, Hui; Peng, H] East China Normal Univ, Dept Elect, Key Lab Polar Mat & Devices MOE, Shanghai 200241, Peoples R China.

[Jiang, Chunli; Peng, Hui] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China.

[Liu, Mengqin] Hengyang Normal Univ, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Hunan, Peoples R China.

[Liu, Weimin] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China.

通讯机构：

[Luo, CH ; Peng, H] E

East China Normal Univ, Dept Elect, Key Lab Polar Mat & Devices MOE, Shanghai 200241, Peoples R China.

语种：

英文

关键词：

blue PeLEDs;defect passivation;interfacial effect;phase distribution;quasi-2D perovskites

期刊：

Advanced Optical Materials

ISSN：

2195-1071

年：

2024

卷：

期：

页码：

2301615-

DOI：

10.1002/adom.202301615

基金类别：

This work was financially supported by the National Key Research and Development Program of China (Grant No. 2021YFA1200700), the NSFC (No. 62004204), and the Shanghai Science and Technology Innovation Action Plan (No. 21JC1402000). The authors thank the E [2021YFA1200700]; National Key Research and Development Program of China [62004204]; NSFC [21JC1402000]; Shanghai Science and Technology Innovation Action Plan [004, 006]; ECNU Multifunctional Platform for Innovation

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摘要：

Although tremendous advances have recently been achieved in perovskite light-emitting diodes (PeLEDs), development of the blue PeLEDs needed to achieve full-color displays is far behind the red and green counterparts. Here, a simple and effective interface engineering strategy is reported to achieve efficient blue PeLEDs by modifying poly(3, 4-ethylene dioxythiophene):polystyrene sulfonic (PEDOT:PSS) substrate with an amphiprotic molecule glycine. As a multifunctional additive, glycine can not only modulate the pH of PEDOT:PSS, but also trigger strong interfacial effect. Cooperative coordinati...

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Low‐Dimensional Phase Distribution of Quasi‐2D Perovskites Induced by Interfacial Effect Enables Efficient Blue Lighting‐Emitting Diodes

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