Robust free-standing nanomembranes of organic/inorganic interpenetrating networks

Richard Vendamme, Shin Ya Onoue, Aiko Nakao, Toyoki Kunitake

Research output: Contribution to journalArticlepeer-review

271 Citations (Scopus)


Hybrid interpenetrating networks (IPN) in the form of free-standing nanomembrane with unprecedented macroscopic size and characteristics were synthesized using the spin coating technique. Hybrid IPNs in the bulk state have the combined advantages of polymers, with the physical properties of glass. Self-floating nanomembranes were deposited onto a silicon wafer and examined by atomic force microscopy. Reactive formulations containing both the organic and inorganic precursors were prepared and diluted in chloroform. A 100-nm-thick layer of polyvinyl phenol was spin-coated onto a clean silicon wafer. SEM analysis reported that the pores of Anodisc were fully covered with the nanofilm without any defects or cracks. The self-supporting nanofilms floating in ethanol were observed to be very flexible, robust, and can easily be folded into small shapes.

Original languageEnglish
Pages (from-to)494-501
Number of pages8
JournalNature Materials
Issue number6
Publication statusPublished - Jun 10 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

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


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