期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 22, 页码 3498-3505出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201000273
关键词
Organic-inorganic hybrid composites; Rare earths; Polymers; Bridging ligands; Sulfur; Luminescence
资金
- National Natural Science Foundation of China [20971100]
- Program for New Century Excellent Talents in University [NCET-08-0398]
A series of ternary organic/inorganic/polymer hybrid materials have been assembled on the basis of the coordination chemistry principle. Mercapto-functionalized MBA-Si from MBA (4-mercaptobenzoic acid) behaves as the first coordination unit, which forms sulfide linkages, resulting in an inorganic Si-O network after hydrolysis and copolycondensation with TEOS (tetraethoxysilane). The organic polymers PVPD [poly(4-vinylpyridine)] and PMMA [poly(methyl methacrylate)] play a role of the second coordination unit, whose organic polymeric C-C chain originates from addition polymerization of the monomers 4-VPD (4-vinylpyridine) and MMA (methyl methacrylate), respectively. These hybrids are characterized in detail to compare with the binary hybrids without an organic polymer unit, whose results reveal that the microstructure, the thermal stability, and especially the photoluminescence properties of the hybrid system are improved with the introduction of the polymer as the coligand.
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