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carbothermal-evaporation
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Growth of tin oxide nanotubes by aerial carbothermal evaporation
, Article Applied Physics A: Materials Science and Processing ; Volume 97, Issue 2 , 2009 , Pages 361-364 ; 09478396 (ISSN) ; Janfeshan, B ; Sadrnezhaad, Kh ; Sharif University of Technology
2009
Abstract
One-dimensional nanostructures of tin oxide nanotubes were fabricated by carbothermal evaporation at 900°C in air. The synthesized film was grown on Au-coated (100) Si substrate. Heterogeneous catalysis by Au/Sn droplets assisted the formation of the tin oxide nanotubes of less than 40 nm diameter at Sn vapor pressures around 1.4×10 -7 Pa. In order to reduce the nanotube diameter further, an increase in the Sn vapor pressure by changing the source materials' ratio seemed viable. © 2009 Springer-Verlag