Mechanical properties of titania nanofiber mats fabricated by electrospinning of sol-gel precursor

被引：37

作者：

Park, Soo-Jin ^{[1
,2
]}

Chase, George G. ^{[5
,6
]}

Jeong, Kwang-Un ^{[3
,4
]}

Kim, Hak Yong ^{[1
,2
]}

机构：

[1] Chonbuk Natl Univ, Ctr Healthcare Technol & Dev, Jeonju 561756, South Korea

[2] Chonbuk Natl Univ, Dept Organ Mat & Fiber Engn, Jeonju 561756, South Korea

[3] Chonbuk Natl Univ, Polymer Fus Res Ctr, Jeonju 561756, South Korea

[4] Chonbuk Natl Univ, Dept Polymer Nano Sci & Technol, Jeonju 561756, South Korea

[5] Univ Akron, Dept Chem, Akron, OH 44325 USA

[6] Univ Akron, Dept Biomol Engn, Akron, OH 44325 USA

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2010年 / 54卷 / 02期

关键词：

Titania; Nanofibers; Electrospinning; Flexibility; PALLADIUM NANOPARTICLES; TIO2; NANOWIRES; PARTICLE-SIZE; PHOTOLUMINESCENCE; FIBERS;

D O I：

10.1007/s10971-010-2174-0

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Flexible mats of titania fibers are prepared by calcination of electrospun polyvinylpyrrolidone fibers containing titanium isopropoxide precursor. Structural investigation of the calcinated nanofibers by X-ray diffraction (XRD) and electron diffraction (ED) combined with the morphologies by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) show the titania fibers, with an average diameter of 180 nm, were comprised of anatase and rutile crystals. The mechanical, chemical and thermal properties of the titania fiber mats are further investigated by the techniques of Instron mechanical tester, thermogravimetric analyzer (TGA), and Fourier transform infrared spectroscopy (FT-IR). The titania fiber mat prepared in this method exhibited a significant flexibility with 461 MPa Young's modulus.

引用

页码：188 / 194

页数：7

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