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- W2075032023 abstract "Near-infrared-emitting polymer light-emitting diodes (PLEDs) have been fabricated using blends of conjugated polymers and lanthanide tetraphenylporphyrin complexes. Host polymers include MEH–PPV and a bis-alkoxy-substituted poly(p-phenylene) (PPP–OR11), and the lanthanide complexes include Yb(TPP)acac and Er(TPP)acac (where TPP=5,10,15,20-tetraphenylporphyrin and acac=acetylacetonate). Electroluminescence (EL) is observed at 977 nm from devices fabricated using MEH–PPV or PPP–OR11 blended with Yb(TPP)acac, and EL is observed at 1560 nm from a device fabricated using a blend of MEH–PPV and Er(TPP)acac. Visible EL from the host polymers is strongly suppressed in all of the devices, however, in the device fabricated using the PPP–OR11 polymer blue emission from the host is completely quenched. Very efficient quenching of the EL from the host in the PPP–OR11 device is believed to occur due to efficient Förster energy transfer, which is facilitated by the excellent spectral overlap between the PPP–OR11 fluorescence and the Soret absorption band of the TPP ligand." @default.
- W2075032023 created "2016-06-24" @default.
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- W2075032023 date "2001-12-03" @default.
- W2075032023 modified "2023-10-13" @default.
- W2075032023 title "Near-infrared electroluminescence from conjugated polymer/lanthanide porphyrin blends" @default.
- W2075032023 cites W1591883199 @default.
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- W2075032023 doi "https://doi.org/10.1063/1.1421413" @default.
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