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Electrospun fibers composed of Al2O3-TiO2 nanocrystals

Kazuya NAKATA, Nobuyuki WATANABE, Yumi YUDA, Donald A. TRYK, Tsuyoshi OCHIAI, Taketoshi MURAKAMI, Yoshihiro KOIDE, Akira FUJISHIMA
2009 Journal of the Ceramic Society of Japan  

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Electrospun Al2O3-TiO2 composite fibers were fabricated and characterized. Morphologies of the fibers after calcination at 500, 1000 and 1150°C, respectively, were examined by SEM, which showed that the diameters of the fibers decreased with increasing calcination temperature. XRD and TGA/DTA revealed that the Al2O3-TiO2 fibers consisted of α-Al2O3 and rutile TiO2 phases after calcination above 1150°C. FE-SEM images showed that the Al2O3-TiO2 composite was consisted of both small round
more » ... and large block-like ones, which were assigned as α-Al2O3 and rutile TiO2 crystals, respectively. The Al2O3-TiO2 fibers displayed a photocatalytic reaction to decompose acetaldehyde under UV irradiation.
doi:10.2109/jcersj2.117.1203 fatcat:ycyovojia5hzbif7gefbyxsnq4
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Kazuya NAKATA, Nobuyuki WATANABE, Yumi YUDA, Donald A. TRYK, Tsuyoshi OCHIAI, Taketoshi MURAKAMI, Yoshihiro KOIDE, Akira FUJISHIMA. "Electrospun fibers composed of Al2O3-TiO2 nanocrystals." Journal of the Ceramic Society of Japan 117.1371 (2009) 1203-1207