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N-doped $TiO_2$/PAN 복합 나노섬유의 제조와 광촉매 특성
이성욱,이태상,리강,원방방,황택성,이승구,Lee, Sung-Wook,Lee, Tae-Sang,Li, Gang,Won, Bang-Bang,Hwang, Taek-Sung,Lee, Seung-Goo 한국섬유공학회 2009 한국섬유공학회지 Vol.46 No.6
The $TiO_2$/PAN based composite nanofibers having photocatalytic activity were prepared by sol-gel process, electrospinning and post-treatments. Electrospinning solution was prepared by mixture of $Ti(OBu)_4$, PAN, acetic acid and DMF with different ratio. As-spun nanofibers were treated with different way to prepare the anatase $TiO_2$/PAN nanofibers and the N-doped $TiO_2$/PAN nanofibers. In this study, the morphology and diameter of the electrospun and heat treated composite nanofiber were analyzed, and crystal structure of nanofiber after heat treatment and N-doping was analyzed. Furthermore, photocatalytic decomposition of the nanofiber, crystallized in various condition, against the malachite green aqueous solution, was evaluated.