Abstract
Ceramic barriers avoid catalyst diffusion to produce better multiwall carbon nanotubes (CNT) on carbon fiber fabrics (CF). We developed a simple method to produce efficiently a silica layer from TEOS pyrolysis at similar conditions of CNT growth from camphor and ferrocene mixtures. This protective layer prevents iron diffusion and allows the vertical alignment of CNTs.
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Acknowledgments
We are grateful to the governmental agencies FAPESP and CNPQ for funding our research in Brazil. We also acknowledge Dr. A. A. Martins and Dr A. O Lobo from Universidade do Vale do Paraiba (UNIVAP) for the FTIR measurements.
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Antunes, E.F., da Silva, V.Q., Marques, V.E.C. et al. Growth of Carbon Nanotube Forests on Carbon Fibers with a SiO2 Interlayer. MRS Online Proceedings Library 1451, 97–102 (2012). https://doi.org/10.1557/opl.2012.1338
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DOI: https://doi.org/10.1557/opl.2012.1338