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. 2019 Mar 13;6(3):181605. doi: 10.1098/rsos.181605

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© 2019 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 3. — In situ direct-growth assembly methods of CNTs. (a) Water-assisted CVD growth [31]. (b) Electric field directed CVD growth [34]. (c) Gas flow directed CVD growth [35]. (d) Epitaxy CVD growth [19].