Aerosol synthesis of cargo-filled graphene nanosacks

Yantao Chen, Fei Guo, Ashish Jachak, Sang Pil Kim, Dibakar Datta, Jingyu Liu, Indrek Kulaots, Charles Vaslet, Hee Dong Jang, Jiaxing Huang, Agnes Kane, Vivek B. Shenoy, Robert H. Hurt

Research output: Contribution to journalArticlepeer-review

158 Scopus citations

Abstract

Water microdroplets containing graphene oxide and a second solute are shown to spontaneously segregate into sack-cargo nanostructures upon drying. Analytical modeling and molecular dynamics suggest the sacks form when slow-diffusing graphene oxide preferentially accumulates and adsorbs at the receding air-water interface, followed by capillary collapse. Cargo-filled graphene nanosacks can be nanomanufactured by a simple, continuous, scalable process and are promising for many applications where nanoscale materials should be isolated from the environment or biological tissue.

Original languageEnglish (US)
Pages (from-to)1996-2002
Number of pages7
JournalNano Letters
Volume12
Issue number4
DOIs
StatePublished - Apr 11 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Keywords

  • Graphene
  • biocompatibility
  • core-shell structures
  • encapsulation
  • folding
  • graphene oxide

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