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- W2024805648 abstract "The catalytic growth of high aspect ratio carbon nanorods by ethylene decomposition over nickel/silica is presented as a viable low-cost selective route to a high-value product. This study focuses on the role of catalyst preparation in determining carbon yield and structural characteristics and considers the application of a 10% w/w Ni loading prepared by impregnation and precipitation/deposition. The latter is characterized by a narrower dispersion of smaller Ni particles (average diameter = 2.4 nm) but lower carbon yields. Doping this catalyst with KBr resulted in a 40-fold increase in carbon production with >95% having rod diameters <10 nm; doping the impregnated catalyst had little effect on catalyst performance. High-resolution transmission electron microscopy and temperature programmed oxidation were employed to characterize the catalysts and the carbon product; the effect of temperature (673–873 K) on carbon yield is also reported." @default.
- W2024805648 created "2016-06-24" @default.
- W2024805648 creator A5005311112 @default.
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- W2024805648 date "2004-11-01" @default.
- W2024805648 modified "2023-09-24" @default.
- W2024805648 title "CATALYTIC PRODUCTION OF GRAPHITIC NANORODS VIA THE GAS PHASE DECOMPOSITION OF ETHYLENE OVER SUPPORTED NICKEL" @default.
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- W2024805648 doi "https://doi.org/10.1080/00986440490464237" @default.
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