Catalytic growth of vertically aligned neutron sensitive 10Boron nitride nanotubes

Ahmad, P. and Khandaker, Mayeen Uddin and Amin, Yusoff Mohd and Khan, G. and Ramay, S.M. and Mahmood, A. and Amin, M. and Muhammad, N. (2016) Catalytic growth of vertically aligned neutron sensitive 10Boron nitride nanotubes. Journal of Nanoparticle Research, 18. p. 25. ISSN 1388-0764, DOI

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10Boron nitride nanotubes (10BNNTs) are a potential neutron sensing element in a solid-state neutron detector. The aligned 10BNNT can be used for its potential application without any further purification. Argon-supported thermal CVD is used to achieve vertically aligned 10BNNT with the help of nucleation sites produced in a thin layer of magnesium–iron alloy deposited at the top of Si substrate. FESEM shows vertically aligned 10BNNTs with ball-like catalytic tips at top. EDX reveals magnesium (Mg) contents in the tips that refer to catalytic growth of 10BNNT. HR-TEM shows tubular morphology of the synthesized 10BNNT with lattice fringes on its outer part having an interlayer spacing of ~0.34 nm. XPS shows B 1 s and N 1 s peaks at 190.5 and 398 eV that correspond to hexagonal 10Boron nitride (10h-BN) nature of the synthesized 10BNNT, whereas the Mg kll auger peaks at ~301 and ~311 eV represents Mg contents in the sample. Raman spectrum has a peak at 1390 (cm−1) that corresponds to E2g mode of vibration in 10h-BN.

Item Type: Article
Uncontrolled Keywords: BNNTs; 10BNNTs; Synthesis; Vertically aligned; Sensor applications
Subjects: Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Nov 2017 02:55
Last Modified: 07 Oct 2019 01:11

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