LaOCl nanofibers derived from electrospun PVA/Lanthanum chloride composite fibers

Electrospun nanofibers of poly (vinyl alcohol) (PVA)/Lanthanum (Ш) chloride (LaCl 3) composite were employed to prepare the LaOCl nanofibers by calcination. TG-DSC was used to investigate the thermal property of precursor, while FT-IR, XRD, FESEM and TPD were employed to characterize the derived LaO...

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Bibliographic Details
Published in:Materials letters 2010-01, Vol.64 (1), p.6-8
Main Authors: Chen, Yuming, Qian, Qingrong, Liu, Xinping, Xiao, Liren, Chen, Qinghua
Format: Article
Language:English
Subjects:
Electrospinning
Fiber technology
LaOCl
Nanomaterials
Poly (vinyl alcohol) (PVA)
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Summary:Electrospun nanofibers of poly (vinyl alcohol) (PVA)/Lanthanum (Ш) chloride (LaCl 3) composite were employed to prepare the LaOCl nanofibers by calcination. TG-DSC was used to investigate the thermal property of precursor, while FT-IR, XRD, FESEM and TPD were employed to characterize the derived LaOCl nanofibers. Results indicate that the addition of LaCl 3 leads to the formation of fork segments in the structure of electrospun PVA/LaCl 3 composite nanofibers, therefore, changing the decomposition behavior of the fibers. Pure LaOCl fibers with a diameter range of 90–220 nm can be obtained by calcination of electrospun PVA/LaCl 3 composite nanofibers at 700 °C for 7 h. The resultant LaOCl nanofibers show a good sensing behavior for CO 2 gas.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2009.09.042