Preparation and Characteristics of SiOx Coated Carbon Nanotubes with High Surface Area
AbstractAn easy method to synthesize SiOx coated carbon nanotubes (SiOx-CNT) through thermal decomposition of polycarbomethylsilane adsorbed on the surface of CNTs is reported. Physical properties of SiOx-CNT samples depending on various Si contents and synthesis conditions are examined by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), nitrogen isotherm, scanning electron microscope (SEM), and transmission electron microscope (TEM). Morphology of the SiOx-CNT appears to be perfectly identical to that of the pristine CNT. It is confirmed that SiOx is formed in a thin layer of approximately 1 nm thickness over the surface of CNTs. The specific surface area is significantly increased by the coating, because thin layer of SiOx is highly porous. The surface properties such as porosity and thickness of SiOx layers are found to be controlled by SiOx contents and heat treatment conditions. The preparation method in this study is to provide useful nano-hybrid composite materials with multi-functional surface properties. View Full-Text
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Kim, A.; Lim, S.; Peck, D.-H.; Kim, S.-K.; Lee, B.; Jung, D. Preparation and Characteristics of SiOx Coated Carbon Nanotubes with High Surface Area. Nanomaterials 2012, 2, 206-216.
Kim A, Lim S, Peck D-H, Kim S-K, Lee B, Jung D. Preparation and Characteristics of SiOx Coated Carbon Nanotubes with High Surface Area. Nanomaterials. 2012; 2(2):206-216.Chicago/Turabian Style
Kim, Aeran; Lim, Seongyop; Peck, Dong-Hyun; Kim, Sang-Kyung; Lee, Byungrok; Jung, Doohwan. 2012. "Preparation and Characteristics of SiOx Coated Carbon Nanotubes with High Surface Area." Nanomaterials 2, no. 2: 206-216.