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Conversion of Bamboo to Biomorphic Composites Containing Silica and Silicon Carbide Nanowires
Author(s) -
Cheung Teresa L. Y.,
Ng Dickon H. L.
Publication year - 2007
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2006.01390.x
Subject(s) - sintering , bamboo , materials science , silicon carbide , nanowire , fabrication , raw material , cristobalite , pyrolysis , composite material , cordierite , porosity , silicon , chemical engineering , ceramic , nanotechnology , metallurgy , chemistry , alternative medicine , quartz , organic chemistry , pathology , engineering , medicine
Luk Bamboo had been converted into biomorphic composites containing high‐purity cristobalite‐SiO 2 and β‐silicon carbide (SiC) nanowires after sintering at 1200° and 1400°C, respectively. The fabrication process was simple, in which no catalyst was needed and the sintering temperature was low. The procedure included pyrolysis of biotemplates, infiltration of a Si‐containing reactant, and sintering. Both the SiO 2 and SiC nanowires were grown by a two‐stage growth mechanism, in which the impurities from raw bamboo acted as catalysts. We successfully demonstrated that inexpensive Luk bamboo could provide a breakthrough, cost‐effective, and eco‐friendly route for self‐assembling one‐dimensional nano‐structures in highly porous biomorphic materials.