A novel method for making ZrO2 nanofibres via an electrospinning technique

Shao, Changlu; Guan, Hongtao; Liu, Yichun; Gong, Jian; Yu, Na; Yang, Xinghua

doi:10.1016/j.jcrysgro.2004.03.065

Cited by 144 publications

(64 citation statements)

References 34 publications

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“…Shao et al 12) have produced zirconia fibers using zirconium oxychloride and poly(vinyl alcohol), Dharmajaj et al 13) used poly(vinyl acetate) to produce zirconium oxide fibers at varying calcinations temperature. Davies et al 14) have prepared zironia fiber using zirconyl chloride octahydrate and poly(vinylpyrolidone) (PVP).…”

Section: )mentioning

confidence: 99%

Influence of calcination temperature on phase transformation and grain size of electrospun zirconium oxide fibers

Park

Lee²

2012

J. Ceram. Soc. Japan

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Zirconium oxide fiber was prepared by electrospinning technique and solgel processing from zirconium acetate and poly(methyl methacryate) (PMMA) as precursor. Calcination of these structures between temperature of 450 and 1000°C resulted in the formation of zirconium oxide fiber whose diameters ranged from 1000 to 500 nm. The samples of calcination at 450 and 500°C were observed of only in the tetragonal phase. The tetragonal phase and monoclinic mixed phase appeared between 600 and 900°C. After calcination at 1000°C, only the monoclinic phase was identified in the XRD patterns. Grain size increased with increasing calcinations temperature. Pure monoclinic phase with grain size of 25.70 nm was obtained from the calcination temperature of 1000°C. The activation energy for grain growth of electrospun zirconium oxide fiber was estimated to be 20.48 kJ/mol.

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Section: )mentioning

confidence: 99%

Influence of calcination temperature on phase transformation and grain size of electrospun zirconium oxide fibers

Park

Lee²

2012

J. Ceram. Soc. Japan

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“…Electrospinning technique is widely applied to prepare polymers nanofibers (Li, , 1151(Li, -1170. Recently, some inorganic compounds nanofibers have been prepared by electrospinning technique using electrospun fibers of polymer/inorganic composite as the precursor & Shao, 2004. This processing involved the following three steps: (1) Preparation of a gel with suitable inorganic precursor and proper polymer, and achieving the right rheology for electrospinning process; (2) Electrospinning of the gel to obtain fibers of polymer/inorganic precursors composite; (3) Calcinations of the composite fibers to obtain final oxide fibers.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and Characterization of LaCoO3 Nanofibers via an Electrospinning Technique

Wang¹,

Dong²,

Qu³

et al. 2010

IJC

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Polyvinyl alcohol(PVA)/[La(NO 3 ) 3 +Co(CH 3 COO) 2 ] composite nanofibers were prepared by combination of sol-gel method and electrospinning technique, and crystalline LaCoO 3 nanofibers were fabricated by calcination of the PVA/[La(NO 3 ) 3 +Co(CH 3 COO) 2 ] composite nanofibers at 600ºC for 10h. The samples were characterized by using thermogravimetric-differential thermal analysis(TG-DTA), X-ray diffraction spectrometry(XRD), scanning electron microscopy(SEM) and Fourier transform infrared spectrometry(FTIR). The results show that PVA/[La(NO 3 ) 3 +Co(CH 3 COO) 2 ] composite nanofibers are amorphous in structure, and pure phase LaCoO 3 nanofibers are trigonal in structure with space group m R3 . The surface of as-prepared composite nanofibers is smooth, and the diameter is about 200nm. The diameter of LaCoO 3 nanofibers is smaller than that of the relevant composite fibers. The surface of the LaCoO 3 nanofibers becomes coarse with the increase of calcination temperatures. The diameter of LaCoO 3 nanofibers is ca. 80nm, and the length is greater than 100μm. The mass of the sample remains constant when the temperature is above 500ºC, and the total mass loss percentage is 83%. Possible formation mechanism of LaCoO 3 nanofibers is preliminarily proposed.

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“…Electrospinning technique is widely applied to prepare polymers nanofibers (Li, , 1151(Li, -1170. Recently, some inorganic compounds nanofibers have been prepared by electrospinning technique using electrospun fibers of polymer/inorganic composite as the precursor , Zhang, 2008& Shao, 2004. This processing involved the following three steps: (1) Preparation of a sol with suitable inorganic precursor and proper polymer, and achieving the right rheology for electrospinning process; (2) Electrospinning of the sol to obtain fibers of polymer/inorganic precursors composite; (3) Calcinations of the composite fibers to obtain final oxide fibers.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of LaMnO3 Nanofibers via Electrospinning

Wang¹,

Zheng²,

Dong³

et al. 2009

APR

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Polyvinyl alcohol(PVA)/[La(NO 3 ) 3 +Mn(CH 3 COO) 2 ] composite nanofibers were fabricated by electrospinning, and polycrystalline LaMnO 3 nanofibers were prepared by calcination of the PVA/[La(NO 3 ) 3 +Mn(CH 3 COO) 2 ] composite nanofibers at 600ºC for 10h. The samples were characterized by using thermogravimetric-differential thermal analysis (TG-DTA), X-ray diffraction spectrometry(XRD), scanning electron microscopy(SEM) and Fourier transform infrared spectrometry(FTIR). The results show that PVA/[La(NO 3 ) 3 +Mn(CH 3 COO) 2 ] composite nanofibers are amorphous in structure, and pure phase LaMnO 3 nanofibers are orthorhombic with space group Pbnm. The surface of as-prepared composite nanofibers is smooth, and the diameter is about 150nm. The diameter of LaMnO 3 nanofibers is smaller than that of the relevant composite fibers. The surface of the LaMnO 3 nanofibers becomes coarse with the increase of calcination temperatures. The diameter of LaMnO 3 nanofibers is ca. 100nm, and the length is greater than 100 m. The mass of the sample remains constant when the temperature is above 450ºC, and the total mass loss percentage is 94.6%. Possible formation mechanism of LaMnO 3 nanofibers is preliminarily proposed.

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A novel method for making ZrO2 nanofibres via an electrospinning technique

Cited by 144 publications

References 34 publications

Influence of calcination temperature on phase transformation and grain size of electrospun zirconium oxide fibers

Influence of calcination temperature on phase transformation and grain size of electrospun zirconium oxide fibers

Fabrication and Characterization of LaCoO3 Nanofibers via an Electrospinning Technique

Synthesis of LaMnO3 Nanofibers via Electrospinning

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