16 April 2014 Boron nitride nanotube: synthesis and applications
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Abstract
Scientists have predicted that carbon’s immediate neighbors on the periodic chart, boron and nitrogen, may also form perfect nanotubes, since the advent of carbon nanotubes (CNTs) in 1991. First proposed then synthesized by researchers at UC Berkeley in the mid 1990’s, the boron nitride nanotube (BNNT) has proven very difficult to make until now. Herein we provide an update on a catalyst-free method for synthesizing highly crystalline, small diameter BNNTs with a high aspect ratio using a high power laser under a high pressure and high temperature environment first discovered jointly by NASA/NIA/JSA. Progress in purification methods, dispersion studies, BNNT mat and composite formation, and modeling and diagnostics will also be presented. The white BNNTs offer extraordinary properties including neutron radiation shielding, piezoelectricity, thermal oxidative stability (> 800°C in air), mechanical strength, and toughness. The characteristics of the novel BNNTs and BNNT polymer composites and their potential applications are discussed.
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Amanda L. Tiano, Amanda L. Tiano, Cheol Park, Cheol Park, Joseph W. Lee, Joseph W. Lee, Hoa H. Luong, Hoa H. Luong, Luke J. Gibbons, Luke J. Gibbons, Sang-Hyon Chu, Sang-Hyon Chu, Samantha Applin, Samantha Applin, Peter Gnoffo, Peter Gnoffo, Sharon Lowther, Sharon Lowther, Hyun Jung Kim, Hyun Jung Kim, Paul M. Danehy, Paul M. Danehy, Jennifer A. Inman, Jennifer A. Inman, Stephen B. Jones, Stephen B. Jones, Jin Ho Kang, Jin Ho Kang, Godfrey Sauti, Godfrey Sauti, Sheila A. Thibeault, Sheila A. Thibeault, Vesselin Yamakov, Vesselin Yamakov, Kristopher E. Wise, Kristopher E. Wise, Ji Su, Ji Su, Catharine C. Fay, Catharine C. Fay, } "Boron nitride nanotube: synthesis and applications", Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014, 906006 (16 April 2014); doi: 10.1117/12.2045396; https://doi.org/10.1117/12.2045396
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