Crystallinity and morphological evolution of hydrothermally synthesized potassium manganese oxide nanowires

M.F.L. Haris; C-Y Yin; Z-T Jiang; B-M Goh; X. Chen; W.A. Al-Masry; A.M. Abukhalaf; M. El-Harbawi; N.M. Huang; H.N. Lim

doi:10.1016/j.ceramint.2013.06.033

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Crystallinity and morphological evolution of hydrothermally synthesized potassium manganese oxide nanowires

Journal article

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Crystallinity and morphological evolution of hydrothermally synthesized potassium manganese oxide nanowires

M.F.L. Haris, C-Y Yin, Z-T Jiang, B-M Goh, X. Chen, W.A. Al-Masry, A.M. Abukhalaf, M. El-Harbawi, N.M. Huang and H.N. Lim

Ceramics International, Vol.40(1 PART A), pp.1245-1250

2013

DOI: https://doi.org/10.1016/j.ceramint.2013.06.033

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Abstract

Potassium manganese oxide (KMn8O16) nanowires were synthesized using a customized hydrothermal method and characterized using scanning-electron microscopy, X-ray diffractometry and thermogravimetric analysis to determine the effects of reaction temperatures and molar ratio of reactants on the crystallinity and morphology of the synthesized nanowires. It was established that increasing the stoichiometric portion of potassium precursors increased the average nanowire diameter though such effect was comparatively less prominent in terms of reaction temperature. Deficient supply of potassium inhibited nanowires growth in which only KMn8O16 (cryptomelane) growth orientations of (211), (301) and (600) were observed along with traces of MnO2, resulting in a wool-like nanowires suspension.

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Title: Crystallinity and morphological evolution of hydrothermally synthesized potassium manganese oxide nanowires
Authors/Creators: M.F.L. Haris (Author/Creator)
C-Y Yin (Author/Creator)
Z-T Jiang (Author/Creator)
B-M Goh (Author/Creator)
X. Chen (Author/Creator)
W.A. Al-Masry (Author/Creator)
A.M. Abukhalaf (Author/Creator)
M. El-Harbawi (Author/Creator)
N.M. Huang (Author/Creator)
H.N. Lim (Author/Creator)
Publication Details: Ceramics International, Vol.40(1 PART A), pp.1245-1250
Publisher: Elsevier Ltd
Identifiers: 991005544074907891
Copyright: © 2013 Published by Elsevier Ltd.
Murdoch Affiliation: School of Engineering and Information Technology; School of Veterinary and Life Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 5 Physics; 5.31 Silicon Systems; 5.31.937 Silicon Nanowires
Web Of Science research areas: Materials Science, Ceramics
ESI research areas: Materials Science