Conclusions
In summary, multi-walled carbon nanotubes were selectively deposited on the PDMS surface to give patterned PDMS composite films using UV induced photo-grafting method. The spectroscopic evidence suggests that the nanotubes were chemically attached to the PDMS surface through covalent bonding with the mainly methyl radicals generated by the photodecomposition of methyl groups in the PDMS during photooxidation. This simple and efficient patterning method with carbon nanotubes can allow the patterning of CNTs onto diverse substrates and provide practical and potential applications in a variety of CNT based transistors and sensing devices.
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Cha, B.J., Yang, J.M. & Hwang, W. Selective attachment of multi-walled carbon nanotubes on poly(dimethyl siloxane)substrates. Macromol. Res. 14, 579–583 (2006). https://doi.org/10.1007/BF03218727
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DOI: https://doi.org/10.1007/BF03218727