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21 results on '"Sun, Shuang‐Qiao"'

6. Enhancing Light Outcoupling Efficiency via Anisotropic Low Refractive Index Electron Transporting Materials for Efficient Perovskite Light‐Emitting Diodes

Author

Sun, Shuang‐Qiao, primary, Tai, Jing‐Wen, additional, He, Wei, additional, Yu, You‐Jun, additional, Feng, Zi‐Qi, additional, Sun, Qi, additional, Tong, Kai‐Ning, additional, Shi, Kefei, additional, Liu, Bo‐Chen, additional, Zhu, Min, additional, Wei, Guodan, additional, Fan, Jian, additional, Xie, Yue‐Min, additional, Liao, Liang‐Sheng, additional, and Fung, Man‐Keung, additional

Published
2024
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7. Perovskite/organic hybrid tandem light-emitting diodes with an external quantum efficiency of over 40%.

Author

Zhu, Min, Sun, Shuang-Qiao, He, Wei, Xu, Yan-Lin, Sun, Qi, Xie, Yue-Min, Fung, Man-Keung, and Lee, Shuit-Tong

Abstract

Perovskite light-emitting diodes (PeLEDs) have been attracting widespread attention owing to their unique advantages such as high luminance, narrow emission spectra and high color purity. However, the solution-processed fabrication method makes the deposition of multi-emitting layers of perovskite films for white PeLEDs challenging. Moreover, modulating the emission color by adjusting the thickness of the emitting layers will result in reduced optoelectronic performance of the polycrystalline perovskite films. Therefore, strategies for achieving high-performance white PeLEDs are urgently needed. This study developed a newly designed perovskite/organic hybrid tandem light-emitting diode (POTLED) by combining a bottom PeLED unit with a top organic light-emitting diode (OLED) unit. The vacuum deposition process of the OLED avoids damaging the underlying PeLED unit. Additionally, the emission color of the tandem device can be tuned by adjusting the thickness of the organic emitting layer while maintaining the optoelectronic properties of the perovskite layer. As a result, a high-efficiency green POTLED with an outstanding current efficiency of 144.2 cd A−1, an external quantum efficiency of 41.1%, and a luminance of over 32 000 cd m−2 is achieved, illustrating the feasibility and potential of the hybrid tandem perovskite-organic structure to realize high-efficiency white-color perovskite-based devices. [ABSTRACT FROM AUTHOR]

Published
2024
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9. Multidentate Molecule Anchoring Halide Perovskite Surface and Regulating Crystallization Kinetics toward Efficient Light‐Emitting Diodes (Small 11/2023)

Author

Sun, Shuang‐Qiao, primary, Sun, Qi, additional, Ji, Yu‐Jin, additional, Xu, Yan‐Lin, additional, He, Wei, additional, Zhu, Min, additional, Zhou, Jun‐Gui, additional, Yu, You‐Jun, additional, Feng, Dan‐Dan, additional, Xie, Yue‐Min, additional, Li, You‐Yong, additional, and Fung, Man‐Keung, additional

Published
2023
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10. All‐Inorganic Perovskite‐Based Monolithic Perovskite/Organic Tandem Solar Cells with 23.21% Efficiency by Dual‐Interface Engineering

Author

Sun, Shuang‐Qiao, primary, Xu, Xiuwen, additional, Sun, Qi, additional, Yao, Qin, additional, Cai, Yating, additional, Li, Xin‐Yi, additional, Xu, Yan‐Lin, additional, He, Wei, additional, Zhu, Min, additional, Lv, Xuan, additional, Lin, Francis R., additional, Jen, Alex K.‐Y., additional, Shi, Tingting, additional, Yip, Hin‐Lap, additional, Fung, Man‐Keung, additional, and Xie, Yue‐Min, additional

Published
2023
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11. Multidentate Molecule Anchoring Halide Perovskite Surface and Regulating Crystallization Kinetics toward Efficient Light‐Emitting Diodes

Author

Sun, Shuang‐Qiao, primary, Sun, Qi, additional, Ji, Yu‐Jin, additional, Xu, Yan‐Lin, additional, He, Wei, additional, Zhu, Min, additional, Zhou, Jun‐Gui, additional, Yu, You‐Jun, additional, Feng, Dan‐Dan, additional, Xie, Yue‐Min, additional, Li, You‐Yong, additional, and Fung, Man‐Keung, additional

Published
2022
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21. Design and Synthesis of Donor-σ-π-σ-Acceptor-Type Dispiro Molecules.

Author

Wang TT, Luo W, Li HC, Sun SQ, Zhu XD, Khan A, Fung MK, Liao LS, and Jiang ZQ

Abstract

Two novel donor-σ-π-σ-acceptor-type dispiro molecules-10-phenyl-10H-dispiro-acridine-9,9'-anthracene-10',9''-fluorene-2'',7''-dicarbo-nitrile (DiSAAF) and dispiro-fluorene-9,9'-anthracene-10',9''-quinolino[3,2,1-kl]phenoxazine-2,7-dicarbonitrile (DiSFAQ)-with excellent thermal stability are designed and synthesized. Both materials exhibit blocked long-range intramolecular charge transfer but show intermolecular charge-transfer emission in the film state. Their photophysical and thermal properties then are fully investigated and a maximum external quantum efficiency of 21.7% of the red phosphorescent device is achieved by DiSAAF.

Published
2019
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