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Keywords = single-component white OLEDs

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13 pages, 1856 KB  
Article
White Organic Light-Emitting Diodes from Single-Component Nonconjugated Polymers by Combining Monomer Emission with Electromer Emission
by Chao Zheng, Mingze Li, Zhiwen Xu, Yaxuan Pan, Qi Zhou, Yujie Fu, Dongyue Cui, Huanhuan Li, Ye Tao and Runfeng Chen
Molecules 2026, 31(1), 101; https://doi.org/10.3390/molecules31010101 - 26 Dec 2025
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Abstract
White organic light-emitting diodes (OLEDs) offer a promising solution for next-generation lighting technologies and their ability to emit white light through various mechanisms make them an attractive option for illumination and display applications. Here, we design and prepare a series of N, [...] Read more.
White organic light-emitting diodes (OLEDs) offer a promising solution for next-generation lighting technologies and their ability to emit white light through various mechanisms make them an attractive option for illumination and display applications. Here, we design and prepare a series of N,N-difluorenevinylaniline-based small molecules and polymer, and realize white OLEDs based on these luminescent materials with combined blue monomer emission and orange electromer emission upon electronic excitation in the solution-processed devices. Impressively, the single-component nonconjugated polymer exhibits the best device performance, because the nonconjugated structure favors good solubility of the polymers, while the conjugated starburst unit functions as highly luminescent fluorophore in both single molecular and aggregated structures for the blue and orange emissions, respectively. Specifically, the non-doped solution-processed OLEDs achieve warm white electroluminescence with a maximum luminance of 1806 cd/m2 and a maximum external quantum efficiency of 2.63%. And, the OLEDs based on the monomer also exhibit white electroluminescence with Commission Internationale de L’Eclairage coordinates of (0.30, 0.32). These results highlight a promising strategy for the material design and preparation of single-component nonconjugated polymers with rich emissive behaviors in solid states towards efficient and solution-processable white OLEDs. Full article
(This article belongs to the Special Issue Insight into Organic Semiconductor Materials)
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