Low-Dimensional Phase Regulation to Restrain Non-Radiative Recombination for Sky-Blue Perovskite LEDs with EQE Exceeding 15 %
Bin Wang
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (lead), Data curation (lead), Formal analysis (lead), Investigation (lead), Methodology (lead), Writing - original draft (lead)
Search for more papers by this authorYu-Hang Zhou
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (equal), Data curation (supporting), Formal analysis (supporting), Investigation (supporting), Methodology (supporting)
Search for more papers by this authorCorresponding Author
Shuai Yuan
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (equal), Investigation (equal), Methodology (equal), Supervision (supporting), Writing - review & editing (supporting)
Search for more papers by this authorProf. Yan-Hui Lou
College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou, 215006 China
Contribution: Investigation (supporting), Methodology (supporting), Writing - review & editing (supporting)
Search for more papers by this authorKai-Li Wang
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Data curation (supporting), Investigation (supporting), Methodology (supporting)
Search for more papers by this authorYu Xia
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Data curation (supporting), Formal analysis (supporting), Investigation (supporting)
Search for more papers by this authorChun-Hao Chen
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Formal analysis (supporting), Methodology (supporting)
Search for more papers by this authorJing Chen
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Investigation (supporting), Methodology (supporting)
Search for more papers by this authorYi-Ran Shi
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Investigation (supporting), Methodology (supporting)
Search for more papers by this authorCorresponding Author
Prof. Zhao-Kui Wang
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (equal), Formal analysis (lead), Investigation (supporting), Methodology (supporting), Project administration (lead), Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorProf. Liang-Sheng Liao
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Formal analysis (equal), Methodology (supporting), Supervision (supporting), Writing - review & editing (supporting)
Search for more papers by this authorBin Wang
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (lead), Data curation (lead), Formal analysis (lead), Investigation (lead), Methodology (lead), Writing - original draft (lead)
Search for more papers by this authorYu-Hang Zhou
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (equal), Data curation (supporting), Formal analysis (supporting), Investigation (supporting), Methodology (supporting)
Search for more papers by this authorCorresponding Author
Shuai Yuan
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (equal), Investigation (equal), Methodology (equal), Supervision (supporting), Writing - review & editing (supporting)
Search for more papers by this authorProf. Yan-Hui Lou
College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou, 215006 China
Contribution: Investigation (supporting), Methodology (supporting), Writing - review & editing (supporting)
Search for more papers by this authorKai-Li Wang
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Data curation (supporting), Investigation (supporting), Methodology (supporting)
Search for more papers by this authorYu Xia
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Data curation (supporting), Formal analysis (supporting), Investigation (supporting)
Search for more papers by this authorChun-Hao Chen
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Formal analysis (supporting), Methodology (supporting)
Search for more papers by this authorJing Chen
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Investigation (supporting), Methodology (supporting)
Search for more papers by this authorYi-Ran Shi
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Investigation (supporting), Methodology (supporting)
Search for more papers by this authorCorresponding Author
Prof. Zhao-Kui Wang
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Conceptualization (equal), Formal analysis (lead), Investigation (supporting), Methodology (supporting), Project administration (lead), Supervision (lead), Writing - review & editing (lead)
Search for more papers by this authorProf. Liang-Sheng Liao
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123 China
Contribution: Formal analysis (equal), Methodology (supporting), Supervision (supporting), Writing - review & editing (supporting)
Search for more papers by this authorAbstract
Achieving efficient blue electroluminescence (EL) remains the fundamental challenge that impedes perovskite light-emitting diodes (PeLEDs) towards commercial applications. The bottleneck accounting for the inefficient blue PeLEDs is broadly attributed to the poor-emissive blue perovskite emitters based on either mixed halide engineering or reduced-dimensional strategy. Herein, we report the high-performing sky-blue PeLEDs (490 nm) with the maximum EQE exceeding 15 % by incorporating a molecular modifier, namely 4,4′-Difluorophenone, for significantly suppressing the non-radiative recombination and tuning of the low-dimensional phase distribution of quasi-2D blue perovskites, which represents a remarkable paradigm for developing the new generation of blue lighting sources.
Conflict of interest
The authors declare no conflict of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Supporting Information
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| ange202219255-sup-0001-misc_information.pdf2.9 MB | Supporting Information |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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