Generation of hollow crystalline tungsten oxide fibres |
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| Authors: | WB Hu YQ Zhu WK Hsu BH Chang M Terrones N Grobert H Terrones JP Hare HW Kroto DRM Walton |
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| Institution: | (1) Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 106, Taiwan, ROC;(2) Institute of Manufacturing Technology, National Taipei University of Technology, Taipei, 106, Taiwan, ROC;(3) Department of Chemistry, Fu Jen Catholic University, New Taipei City, 242, Taiwan, ROC;(4) School of Dental Technology, Taipei Medical University, Taipei, 11031, Taiwan, ROC; |
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| Abstract: | Hollow fibres of crystalline W18O49, arranged in a pine-tree-like structure, were generated by heating WS2 powder in oxygen. SEM, TEM, X-ray and electron diffraction studies show that the individual fibres are composed of single-crystal tungsten oxide whiskers. One-dimensional growth, involving heat dissipation along the fibre axis, is proposed. |
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