Synthesis of TiO2 nanoparticles using titanium tetraisopropoxide and starch
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초록
Simple synthesis of nanocrystalline titanium dioxide (TiO2) by impregnation method was investigated. Titanium tetraisopropoxide (TTIP) was used as the precursor and starch as the impregnations matrix. TiO2 nanoparticles of 100 nm in size were synthesized by varying the conditions. Crystallization and the growth of the particles were accelerated with increasing calcination temperature and time. The X-ray diffraction study shows that the product has anatase crystal structure at calcination temperatures below 600 oC. Anatase phase and rutile phase coexisted at 700 oC. At temperatures above 700 oC, the intensity of the anatase crystal phase peaks decreased and a peak of the new rutile crystal phase appeared at 2θ of 27.42(110), 36.11(101), 41.28(111) and 55.06(220). In more than 800 oC of temperature, rutile phase only existence.
Abstract
Simple synthesis of nanocrystalline titanium dioxide (TiO2) by impregnation method was investigated. Titanium tetraisopropoxide (TTIP) was used as the precursor and starch as the impregnations matrix. TiO2 nanoparticles of 100 nm in size were synthesized by varying the conditions. Crystallization and the growth of the particles were accelerated with increasing calcination temperature and time. The X-ray diffraction study shows that the product has anatase crystal structure at calcination temperatures below 600 oC. Anatase phase and rutile phase coexisted at 700 oC. At temperatures above 700 oC, the intensity of the anatase crystal phase peaks decreased and a peak of the new rutile crystal phase appeared at 2θ of 27.42(110), 36.11(101), 41.28(111) and 55.06(220). In more than 800 oC of temperature, rutile phase only existence.
참고문헌 (17)
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