期刊
APPLIED SURFACE SCIENCE
卷 257, 期 11, 页码 4912-4918出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2010.12.146
关键词
Mesoporous silica; SBA-15; Tris(8-hydroxyquinoline)aluminum; Sulfonamide; Emission spectra
类别
资金
- University of Tehran
- Tarbiat Modares Research Councils
8-Hydroxyquinoline (8-HQ) was attached to mesoporous silica by sulfonamide bond formation between 8-hydroxyquinoline-5-sulfonyl chloride (8-HQ-SO(2)Cl) and aminopropyl functionalized SBA-15 (designated as SBA-SPS-Q) and then aluminum complexes of 8-HQ was covalently bonded to SBA-SPS-Q using coordinating ability of grafted 8-HQ. The prepared materials were characterized by powder X-ray diffraction (XRD), nitrogen adsorption-desorption. Fourier transform infrared (FT-IR), thermal analysis (TGA-DTA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), elemental analysis and fluorescence spectra. The environmental effects on the emission spectra of grafted 8-HQ and its complexes were studied and discussed in details. (C) 2011 Elsevier B.V. All rights reserved.
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