Издательство СО РАН

Издательство СО РАН

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Поиск по журналу

Журнал структурной химии

2016 год, номер 4

STRUCTURE AND PHOTOLUMINESCENCE PROPERTIES OF TiO2 NANOPARTICLES SYNTHESIZED FROM A NOVEL LUMINESCENT NANO-TITANIUM COMPLEX

V. Jodaian1, N.S. Langeroodi2, E. Najafi3
1Islamic Azad University, Islamshahr Branch, Iran
hvidajodaian@yahoo.co.nz
2Golestan University, Gorgan, Iran
3Payame Noor University, Tehran, Iran
Ключевые слова: titanium complex, photoluminescence, size effect, TiO, Raman vibration
Страницы: 822-830

Аннотация

A new titanium complex [Ti(Me-Q)2(Cl)2] (1) is prepared by reacting titanium tetrachloride with 2-methyl-8-hydroxyquinoline in a fast and facile process. The complex is fully characterized based on its 1H and 13C NMR, IR, and UV spectra and elemental analysis. The prepared nanostructured compound is synthesized by the sonochemical method. This new nanostructure is characterized by scanning electron microscopy (SEM), powder X-ray diffraction (XRD), IR spectroscopy, and elemental analysis. Thermal stability of single crystalline and nanosize samples of the prepared compound is studied by thermal gravimetric (TG) and differential thermal analysis (DTA). The prepared complexes both bulk and nanosized are utilized as a precursor for the preparation of TiO2 nanoparticles by direct thermal decomposition at 600 °C in air. The morphology and size of TiO2 nanoparticles are determined by SEM, powder XRD, and IR spectroscopy and the results show that the TiO2 nanoparticle size depends on the initial particle size of 1. Photoluminescence (PL) properties of the nanostructured and crystalline bulk prepared complex and their TiO2 nanoparticle cores are investigated.

DOI: 10.15372/JSC20160423