Fig. 1. Schematic representation of the synthetic process and possible chemical structures
Fig. 2. FESEM images of PThTiO2 synthesized with (a) 0.3 g of Ti(OPr)4 and (b) 0.5 g of Ti(OPr)4
Fig. 3. UV-visible absorption spectra with various amount of PThTiO2 solution.
Fig. 4. PL quenching spectra of PThTiO2 with excitation wavelength of (a) 480 nm and (b) 500 nm
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