Angewandte Chemie International Edition · 2019 · 258 citations · 27 references
Natural SciencesMaterials EngineeringMaterials ScienceOptical MaterialsPolymer ChemistryPolymer MaterialsConducting PolymersConductive PolymersLuminescent MaterialsOptical PolymersOrganic SemiconductorsPolymer PhysicsElectroluminescenceFluorescent PolymersLuminescent PolymersOrganic Light-emitting MaterialsPolymer Light-emitting DiodesPolymer PhotonicsPolystyreneThermally Activated Delayed Fluorescence Materials
Through-space charge transfer polymers (TSCT polymers) that contain a non-conjugated polystyrene backbone and spatially separated donor and acceptor units for solution-processed OLEDs with full-color and white emission is reported. By tuning the charge transfer strength between donor and acceptors with different electron-accepting ability, emission color spanning from deep blue to red can be achieved. By incorporating two kinds of donor/acceptor pairs in one polymer to create duplex through-space charge-transfer channels, blue and yellow emission can be simultaneously obtained to realize white electroluminescence from a single polymer. The TSCT polymers exhibit thermally activated delayed fluorescence effect with delayed-component lifetimes in range of 0.36-1.98 μs, and unexpected aggregation-induced emission (emission intensity enhancement of up to 117 from solution to aggregation state).
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Aggregation-induced emission of 1-methyl-1,2,3,4,5-pentaphenylsilole
Jingdong Luo, Zhiliang Xie, Jacky W. Y. Lam et al. · Chemical Communications · 2001 · 8.2K citations
Multi-colour organic light-emitting displays by solution processing
C. David Müller, A. Falcou, Markus Rojahn et al. · Nature · 2003 · 1.1K citations