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장인석,Hui Jun Leong,노홍재,강태호,공성호,오성근 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.37 No.-
Nitrogen functionalized TiO2 (N-TiO2) particles having an excellent dispersibility were prepared by sol–gel method. Generally, N-TiO2 particles have been made at the harsh preparation conditions includingeither high temperature or high pressure with nitrogen sources. However, in this research, N-TiO2particles were prepared through facile sol–gel reaction with titanium(IV) (triethanolaminato)-isopropoxide (TTEAIP) precursor at mild conditions. The diameter of titania spheres could be tunablefrom 250 to 2200 nm by varying TTEAIP concentrations. Photocatalytic performances of N-TiO2 wereexamined through the degradation of methylene blue. N-TiO2 particles exhibited 3–10 times betterperformance of methylene blue photodegradation than that of commercial P25.