Glass fabrics self-cracking catalytic growth of boron nitride nanotubes |
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| Institution: | 1. School of Materials Science and Engineering, Key Laboratory of Nonferrous Materials and New Processing Technology of Ministry of Education, Guilin University of Technology, Guilin 541004, China;2. The State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China;3. Nano and Ceramic Materials Research Center, Wuhan Institute of Technology, Wuhan 430073 China;1. Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry & Environment, South China Normal University, Guangzhou 510006, PR China;2. School of Chemistry & Environment, South China Normal University, Guangzhou 510006, PR China;3. Guangzhou Key Laboratory of Materials for Energy Conversion and Storage Guangzhou 510006, PR China;4. Institute for Advanced Materials, Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, PR China;1. UM Power Energy Dedicated Advanced Centre (UMPEDAC), Level 4 Wisma R&D, University of Malaya, Jalan Pantai Baharu, 59990, Kuala Lumpur, Malaysia;2. Low Dimensional Materials Research Centre (LDMRC), Department of Physics, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia;3. Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia;1. Department of Physical Chemistry, Faculty of Chemistry, University of Kashan, Iran;2. Institute of Nano Science and Nano Technology, University of Kashan, Kashan, Iran |
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| Abstract: | Glass fabrics were used to fabricate boron nitride nanotubes (BNNTs) with a broad diameter range through a combined chemical vapor deposition and self-propagation high-temperature synthesis (CVD-SHS) method at different holding times (0min, 30min, 90min, 180min and 360min). SEM characterization has been employed to investigate the macro and micro structure/morphology changes of the glass fabrics and BNNTs in detail. SEM image analysis has provided direct experimental evidences for the rationality of the optimized self-cracking catalyst VLS growth mechanism, including the transformation situations of the glass fabrics and the BNNTs growth processes respectively. This paper was the further research and compensation for the theory and experiment deficiencies in the new preparation method of BNNTs reported in our previous work. In addition, it is likely that the distinctive self-cracking catalyst VLS growth mechanism could provide a new idea to preparation of other inorganic functional nano-materials using similar one-dimensional raw materials as growth templates and catalysts. |
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| Keywords: | Boron nitride nanotubes Glass fabric Growth mechanism Chemical vapor deposition (CVD) Self-propagation high-temperature synthesis (SHS) |
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