Spectroscopic investigation of the composition of electrospun titania nanofibers

被引：19
|
作者：
Bender, E. T.
Katta, P.
Chase, G. G.
Ramsier, R. D.
机构：
[1] Univ Akron, Dept Phys, Akron, OH 44325 USA
[2] Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USA
[3] Univ Akron, Dept Chem, Akron, OH 44325 USA
来源：
SURFACE AND INTERFACE ANALYSIS | 2006年 / 38卷 / 09期
关键词：
electrospinning; nanofibers; titanium oxide; flexible ceramics; silicon; clathrates; CO2;
D O I：
10.1002/sia.2383
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We investigate the structure and chemical nature of titania nanofibers synthesized by electrospinning techniques. Fourier transform infrared (FTIR) spectroscopy is used to identify CO2 clathrates trapped within the nanofiber structures. These molecular species are formed during pyrolysis of the guide polymer. In addition, X-ray photoelectron spectroscopy (XPS) identifies silicon within the nonwoven sheets. This led us to discover that impurities can be inadvertently incorporated during the electrospinning process from something as simple as a short piece of silicone tubing on a syringe pump. These findings should help advance the field of electrospinning by demonstrating the importance of spectroscopic characterization of materials synthesized by this technique. Copyright (C) 2006 John Wiley & Sons, Ltd.
引用
收藏
页码：1252 / 1256
页数：5
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