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学者姓名：钟羽武
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Abstract ：
Significant advances have been made in the preparation and application of luminescent hydrogen-bonded organic frameworks (HOFs) in recent years. These materials exhibit unique structural flexibility in accommodating guest molecules, rendering them promising candidates for dynamic applications. Herein, a 2D HOF material is presented, constructed by the binary assembly of 5,5 '-bis(azanediyl)oxalyl diisophthalic acid and tetra(pyrid-4-ylphenyl)ethylene to achieve dynamic circularly polarized luminescence (CPL) with the aid of chiral guests. Efficient chirality transfer and CPLs are realized by incorporating chiral carvone molecules into the 1D channels of HOFs through hydrogen bonding. As a result of the interlayer contraction upon guest desorption, these HOF materials display dynamic CPLs with emission colors varying from cyan to yellow. The method of the hydrogen bonding-enhanced host-guest chirality transfer in combination with the guest desorption-triggered interlayer contraction provides a simple method to achieve dynamic chiroptical properties with porous materials.
Keyword ：
chirality transfer chirality transfer circularly polarized luminescence circularly polarized luminescence host-guest system host-guest system hydrogen-bonded organic frameworks hydrogen-bonded organic frameworks organic crystals organic crystals
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| GB/T 7714 | Meng, Li , Ma, Dian-Xue , Li, Zhong-Qiu et al. Achieving Dynamic Circularly Polarized Luminescence with 2D Hydrogen-Bonded Organic Frameworks [J]. | ADVANCED SCIENCE , 2025 , 12 (17) . |
| MLA | Meng, Li et al. "Achieving Dynamic Circularly Polarized Luminescence with 2D Hydrogen-Bonded Organic Frameworks" . | ADVANCED SCIENCE 12 . 17 (2025) . |
| APA | Meng, Li , Ma, Dian-Xue , Li, Zhong-Qiu , Liang, Tongling , Chen, Zili , Zhong, Yu-Wu . Achieving Dynamic Circularly Polarized Luminescence with 2D Hydrogen-Bonded Organic Frameworks . | ADVANCED SCIENCE , 2025 , 12 (17) . |
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Abstract ：
Platinum complexes are one of the most promising emitters for organic light-emitting diodes (OLEDs) and they have been studied for decades. However, it is still challenging to realize high-performance solution-processed OLEDs by using the platinum complex as an emissive dopant. Herein, a nonplanar terdentate [Pt(N<^>C<^>N)Cl] emitter (Pt1) with good solubility and film-forming ability, ultrahigh photoluminescence quantum yield (98% in PMMA film), and short excited-state lifetime (1.5 mu s in solution) is presented to achieve this goal. This complex is designed and synthesized by using a nonplanar ligand strategy. Solution-processed OLEDs of Pt1 are successfully fabricated to show a maximum external quantum efficiency (EQEmax) of 16.14%, a maximum current efficiency (CEmax) of 46.36 cd A-1, a maximum luminance (Lmax) of 13990 cd m-2, and operating half-lifetime (LT50) of 288 min, respectively, representing the highest performance recorded so far based on the terdentate platinum complexes. More importantly, the large-area (144 mm2) OLEDs of Pt1 with high EQEmax of 10.28% and uniform luminance of 8076 cd m-2 have been achieved, indicating a high potential of Pt1 for commercial applications.
Keyword ：
electroluminescence materials electroluminescence materials organic light-emitting diodes organic light-emitting diodes platinum complexes platinum complexes terdentate ligand terdentate ligand
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| GB/T 7714 | Wu, Si-Hai , Chen, Jian-Cheng , Zhang, Zhe et al. High-performance solution-processed OLEDs utilizing a nonplanar terdentate chloroplatinum emitter [J]. | SCIENCE CHINA-CHEMISTRY , 2025 , 68 (9) : 4150-4159 . |
| MLA | Wu, Si-Hai et al. "High-performance solution-processed OLEDs utilizing a nonplanar terdentate chloroplatinum emitter" . | SCIENCE CHINA-CHEMISTRY 68 . 9 (2025) : 4150-4159 . |
| APA | Wu, Si-Hai , Chen, Jian-Cheng , Zhang, Zhe , Zheng, Ren-Hui , Peng, Hui-E. , Zhao, Zifeng et al. High-performance solution-processed OLEDs utilizing a nonplanar terdentate chloroplatinum emitter . | SCIENCE CHINA-CHEMISTRY , 2025 , 68 (9) , 4150-4159 . |
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