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journal article·2024-03Open access

Sterically Hindered Tetradentate [Pt(O^N^C^N)] Emitters with Radiative Decay Rates up to 5.3 × 105 s−1 for Phosphorescent Organic Light‐Emitting Diodes with LT95 Lifetime over 9200 h at 1000 cd m−2 (Small 12/2024)

Tsz‐Lung Lam, Huiyang Li, Kaixin Tan, Ziyong Chen, Yu‐Kan Tang, Jun Yang, Gang Cheng, Lei Dai, Chi‐Ming Che

Small· Volume 20· Issue 12
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Source abstract

Abstract

Organic Light-Emitting Diodes In article number 2307393, Gang Cheng, Lei Dai, Chi-Ming Che, and co-workers realized operationally stable and high-performance vapor-deposited green phosphorescent organic light-emitting diodes with sterically hindered tetradentate [Pt(O^N^C^N)] emitters. The corresponding Pt-based devices display EL spectra with full width at half maximum down to 36 nm, high external quantum efficiency and CE of up to 27.6% and 98.7 cd A−1, respectively, alongside practical device lifetimes (LT95) of up to 9270 hours at an initial luminance of 1000 cd m−2.
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Research context

OpenAlex topics: Organic Light-Emitting Diodes Research · Molecular Junctions and Nanostructures · Luminescence and Fluorescent Materials

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Affiliations

State Key Laboratory of Synthetic Chemistry HKU‐CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong SAR China

Hong Kong Quantum AI Lab Limited Units 909–915, Building 17 W, 17 Science Park West Avenue, Hong Kong Science Park Pak Shek Kok Hong Kong

Guangdong Aglaia Optoelectronic Materials Co., Ltd Foshan 528300 China

HKU Shenzhen Institute of Research and Innovation Shenzhen Guangdong 518057 P. R. China

References

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