Sugime, H and Esconjauregui, S and Yang, J and D'Arsié, L and Oliver, RA and Bhardwaj, S and Bhardwaj, S and Cepek, C and Robertson, J (2013) Low temperature growth of ultra-high mass density carbon nanotube forests on conductive supports. Applied Physics Letters, 103. ISSN 0003-6951Full text not available from this repository.
We grow ultra-high mass density carbon nanotube forests at 450°C on Ti-coated Cu supports using Co-Mo co-catalyst. X-ray photoelectron spectroscopy shows Mo strongly interacts with Ti and Co, suppressing both aggregation and lifting off of Co particles and, thus, promoting the root growth mechanism. The forests average a height of 0.38 μm and a mass density of 1.6 g cm -3. This mass density is the highest reported so far, even at higher temperatures or on insulators. The forests and Cu supports show ohmic conductivity (lowest resistance ∼22 kΩ), suggesting Co-Mo is useful for applications requiring forest growth on conductors. © 2013 AIP Publishing LLC.
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