Microwave-assisted solid-state grafting of multi-walled carbon nanotubes on polyurethane for the synthesis of a composite with optical limiting properties

Yuhong Chen, V. Sai Muthukumar, Yubing Wang, Cheng Li, S. Sivarama Krishnan, S. Siva Sankara Sai, K. Venkataramaniah, Somenath Mitra

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Microwave-assisted, solid-state grafting of multiwalled carbon nanotubes is presented for the synthesis of a thermal polyurethane composite. This one-step method reduced the reaction time to the order of minutes and allowed the polyurethane to be directly attached to the nanotubes, thus forming a highly solvent-dispersible composite. The composite showed excellent optical limiting characteristics at 532 as well as 1064 nm, with a threshold of 0.10 J cm -2 at 532 nm, and a higher value (1.0 J cm-2) at the latter wavelength.

Original languageEnglish (US)
Pages (from-to)6568-6572
Number of pages5
JournalJournal of Materials Chemistry
Volume19
Issue number36
DOIs
StatePublished - Sep 14 2009

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

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