Molecularly intercalated nanoflakes: A supramolecular composite for strong energy absorption

Chichao Yu, Ziguang Chen, Hui Li, Joseph Turner, Xiao Cheng Zeng, Zhihe Jin, Jinyue Jiang, Boulos Youssef, Li Tan

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Nanoflakes, one type of supramolecules that consist of alternating inorganic layers separated by organic moieties, are demonstrated as a good candidate for energy absorption as a thin film. When a bulky molecule is inserted between those layered structures, both modulus and specific energy absorption were increased 12- and 9-fold, to 12.5 GPa and 275 J/g. Extensive interlayer glide during mechanical loadings could have rendered such a strong plastic deformation, suggesting promise in protecting engineered structures or human bodies against external impact with minimal added weight or volume.

Original languageEnglish (US)
Pages (from-to)4457-4461
Number of pages5
JournalAdvanced Materials
Volume22
Issue number40
DOIs
StatePublished - Oct 25 2010

Keywords

  • Composites
  • Energy absorption
  • Nanoflakes
  • Supramolecules

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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