PURIFICATION OF YARD-GLASS SHAPED BORON NITRIDE NANOTUBES

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XUE SONG LIN; DIAN QIANG CHEN; BO ZHONG; JIAN LIN YANG

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Journal Paper

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2014 | Volume:33 | Issue:1 Page(s): 29-36

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Information Journal Paper

Title

PURIFICATION OF YARD-GLASS SHAPED BORON NITRIDE NANOTUBES

Author(s)

XUE SONG LIN | DIAN QIANG CHEN | BO ZHONG | JIAN LIN YANG | Issue Writer Certificate

Keywords

BORON NITRIDE NANOTUBE

MAGNETIC PROPERTIES

PURIFICATION

ANTIOXIDATION

Abstract

An efficient method for PURIFICATION of Yard-Glass Shaped BORON NITRIDE NANOTUBEs (YG-BNNTs) fabricated via a Chemical Vapour Reaction (CVR) route has been developed. Impurities including carbon, Boron Nitride (BN), and Fe species in the pristine YG-BNNT sample are removed by a combined physical and chemical procedure which involves ultrasonication, high temperature oxidation, hot-water washing and acid washing. The samples at different stages of the PURIFICATION process are monitored using X-Ray powder Diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS) and Transmission Electron Microscopy (TEM). The results reveal that the carbon and BN impurities could be easily eliminated. However, the catalyst nanoparticles (Fe3C) encaged in the tubes prove to be effectively shielded from oxidation and acid corrosion. Although the content of catalyst nanoparticles could be satisfactorily reduced to about 1.0 wt% by prolonged ultrasonication and acid washing, a small number of such magnetic nanoparticles are still left in the final purified YG-BNNTs. The YG-BNNTs exhibit a typical ferromagnetic behaviour even after a longtime oxidizing and acid washing treatment, indicating that they could be potentially used for harsh-environment magnetic devices.

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APA: Copy

XUE SONG, LIN, DIAN QIANG, CHEN, BO, ZHONG, & JIAN LIN, YANG. (2014). PURIFICATION OF YARD-GLASS SHAPED BORON NITRIDE NANOTUBES. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 33(1), 29-36. SID. https://sid.ir/paper/638565/en

Vancouver: Copy

XUE SONG LIN, DIAN QIANG CHEN, BO ZHONG, JIAN LIN YANG. PURIFICATION OF YARD-GLASS SHAPED BORON NITRIDE NANOTUBES. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2014;33(1):29-36. Available from: https://sid.ir/paper/638565/en

IEEE: Copy

LIN XUE SONG, CHEN DIAN QIANG, ZHONG BO, and YANG JIAN LIN, “PURIFICATION OF YARD-GLASS SHAPED BORON NITRIDE NANOTUBES,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 33, no. 1, pp. 29–36, 2014, [Online]. Available: https://sid.ir/paper/638565/en

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