Study on Raman Spectra of the Polyacrylonitrile Iron Complex Nanofibers

Lei Dong; Xiao Dong Liu; Xue Ting Zhao; Yong Chun Dong; Bo Wen Cheng; Xu Pin Zhuang; Dong Dong Meng

doi:10.4028/www.scientific.net/AMM.513-517.273

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 513-517Study on Raman Spectra of the Polyacrylonitrile...

Study on Raman Spectra of the Polyacrylonitrile Iron Complex Nanofibers

Abstract:

We have measured the Raman spectra of all samples in the process of preparing polyacrylonitrile (PAN) iron complex nanofibers, and compared their Raman spectral characteristics, and thus gained a preliminary result for the PAN nanofibers structural changes in the different stages. Through its Raman spectral analysis and comparison we can find that the cyano group (C N) of modified PAN nanofibers disappeared while the Raman bands of C = N group appeared. For the pre-oxidized PAN nanofiber, because the D and G bands of the C = C vibration appeared in the Raman spectra, it is concluded that the PAN nanofiber has an apparent structural change. Finally, it is also found that that Fe³⁺ and O^2- ions have formed coordination bonds in the further prepared PAN iron (Fe³⁺) complex nanofibers because the characteristic Raman band of Fe = O bond appears.

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Periodical:

Applied Mechanics and Materials (Volumes 513-517)

Pages:

273-276

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.513-517.273

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Online since:

February 2014

Authors:

Lei Dong*, Xiao Dong Liu, Xue Ting Zhao, Yong Chun Dong, Bo Wen Cheng, Xu Pin Zhuang, Dong Dong Meng

Keywords:

Iron Complex, PAN Nanofiber, Raman Spectra

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