Synthesis and Formation Mechanism of NiO@Al2O3@TiO2 Coaxial Trilayered Submicrocables by Electrospinning

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (8): 1673.

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Synthesis and Formation Mechanism of NiO@Al2O3@TiO2 Coaxial Trilayered Submicrocables by Electrospinning

SONG Chao, DONG Xiang-Ting*, WANG Jin-Xian, LIU Gui-Xia

School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China

Received:2010-12-27 Revised:2011-05-12 Online:2011-08-10 Published:2011-07-19
Contact: DONG Xiang-Ting E-mail:dongxiangting888@yahoo.com.cn
Supported by:
国家自然科学基金(批准号: 50972020)、吉林省科技发展计划重大项目(批准号: 20070402, 20060504)、教育部科学技术研究重点项目(批准号: 207026)、长春市科技计划项目(批准号: 2007045)和吉林省教育厅“十一五”科学技术研究项目(批准号: 2007-45, 2006JYT05)资助.

Abstract

Abstract: [Ni(CH3COO)2+PVP]@[Al(NO3)3+PVP]@[Ti(OC4H9)4+CH3COOH+PVP] composite cables have been fabricated through modified electrospinning equipment via electrospinning technique. NiO@Al2O3@TiO2 coaxial trilayered nanocables were obtained by calcination of the relevant composite cables. The samples were characterized by thermogravimetric-differential thermal analysis (TG-DTA), X-ray diffractometry (XRD), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), and Transmission electron microscopy (TEM). Results showed that the samples are NiO@Al2O3@TiO2 coaxial trilayered nanocables. The core layer is NiO, and its diameter is ca. 137.83±8.85 nm. The middle layer is Al2O3, and its thickness is ca. 215.11±8.66 nm. The outer layer is TiO2, the thickness is ca. 156.26±16.50 nm. Formation mechanism of NiO@Al2O3@TiO2 coaxial trilayered nanocables was preliminarily proposed.

Key words: NiO@Al2O3@TiO2, Coaxial trilayered nanocables, Electrospinning, Formation mechanism

CLC Number:

TB34
O614.32

TrendMD:

SONG Chao, DONG Xiang-Ting*, WANG Jin-Xian, LIU Gui-Xia. Synthesis and Formation Mechanism of NiO@Al2O3@TiO2 Coaxial Trilayered Submicrocables by Electrospinning[J]. Chem. J. Chinese Universities, 2011, 32(8): 1673.

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Synthesis and Formation Mechanism of NiO@Al2O3@TiO2 Coaxial Trilayered Submicrocables by Electrospinning

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