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. 2016 Aug 10;6:31565. doi: 10.1038/srep31565

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Copyright © 2016, The Author(s)

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Transmission Electron Micrographs (TEMs) of CNTs under different conditions: reference (A1,A2), plasma treated with O₂/Ar (B1,B2) for 1 min and 30 min respectively, plasma treated with H₂/Ar (C1,C2) for 1 min and 30 min respectively, CO₂ 5 min (D) and Ar 30 min (E).