Efficient Red Emission from Europium Chelate-Silicone Host-Guest Hybrids
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Thanh H. Tran
Due to their ease of fabrication, chemical stability and optical transparency polydimethylsiloxanederived silicones ([O-Si(CH3)2]∞) are excellent matrices to enable optical functions. We here report on the luminescence of silicone hybrids with red-emitting europium diketonate complexes, which have not been described previously in this matrix. The problem of too low solubility of the pure complexes has been resolved by co-coordination with trioctylphosphine oxide (TOPO), which permits complex concentrations of up to 5×10−3 mol L−1, at the same time maintaining complete transparency. Quantum efficiencies in excess of 60% could thus be obtained for benzoyltrifluoroacetonates, and near 50% for thenoyltrifluoroacetonates. These high efficiencies have been confirmed by room-temperature life time measurements, which displayed straight single-exponential decay behavior for both complexes independent of their concentration in the silicone.
Graphical Abstract
Efficient Red Emission from Europium Chelate-Silicone Host-Guest Hybrids
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Articles in the same Issue
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- Tb2(bpdc)3 and Eu2(bpdc)3 Nanoparticles (bpdc: 2,2ʹ-Bipyridine-4,4ʹ- dicarboxylate) and Their Luminescence
- 1,3-Thiazole as Suitable Antenna Ligand for Lanthanide Photoluminescence in [LnCl3(thz)4]·0.5thz, Ln = Sm, Eu, Gd, Tb, Dy
- Bidirectional Photoinduced Energy Transfer in Nanoassemblies of Quantum Dots and Luminescent Metal Complexes
- ERRATUM
Articles in the same Issue
- Materials Chemistry and Light
- Fluorescence-active Waveguides by the Sol-Gel Method. Theory and Application
- Optical Spectroscopy and Crystal Field Studies of the Mn4+ Ion (3d3) in the Double Perovskite NaLaMgTeO6
- Na2Y3Cl3[TeO3]4: Synthesis, Crystal Structure and Spectroscopic Properties of the Bulk Material and its Luminescent Eu3+-doped Samples
- Preparation and Characterization of Transparent, Photoluminescent MgAl2O4:Eu2+ Ceramics
- Energy Recovery from Lu2O3:Tb,Hf Ceramic Storage Phosphors
- Understanding Persistent Luminescence: Rare-Earth- and Eu2+-doped Sr2MgSi2O7
- Synthesis and Optical Properties of Li3Ba2La3(MoO4)8:Sm3+ Powders for pcLEDs
- Development of Nd3+-doped Monoclinic Dimolybdates La2Mo2O9 as Optical Materials
- Synchrotron Radiation Study of Interconfigurational 5d-4f Luminescence of Pr3+ in KLuP2O7
- Efficient Red Emission from Europium Chelate-Silicone Host-Guest Hybrids
- Transparent CuInS2 PMMA Nanocomposites Luminescent in the Visible and NIR Region
- Functionalization of Sol-Gel Zirconia Composites with Europium Complexes
- Red (Eu3+), Green (Tb3+) and Ultraviolet (Gd3+) Emitting Nitrilotriacetate Complexes Prepared by One-step Synthesis
- Photoluminescent Tetrazolate-based Eu(III) Complexes: An Outstanding Impact of Aromatic Phosphine Oxide Co-ligands on the Photoluminescence Quantum Yields
- Tb2(bpdc)3 and Eu2(bpdc)3 Nanoparticles (bpdc: 2,2ʹ-Bipyridine-4,4ʹ- dicarboxylate) and Their Luminescence
- 1,3-Thiazole as Suitable Antenna Ligand for Lanthanide Photoluminescence in [LnCl3(thz)4]·0.5thz, Ln = Sm, Eu, Gd, Tb, Dy
- Bidirectional Photoinduced Energy Transfer in Nanoassemblies of Quantum Dots and Luminescent Metal Complexes
- ERRATUM
