Continuous channels created by self-assembly of ionic cross-linked polysiloxane-Nafion nanocomposites

Wei Fu Chen, Yu Cheng Shen, Huang Ming Hsu, Ping Lin Kuo

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


Ionically cross-linked ionomers have been developed via sol-gel chemistry by introducing poly(vinylimidazole)-functionalized mercaptopropyltrimethoxysilane into Nafion. The cross-linked polysiloxane framework endows the membrane with homogeneity and good stability. The ionical cross-linking enables the self-assembly between the inorganic framework and Nafion, which produces concentrated and inter-connected channels. This structure offers a practicably effective blocking effect to minimize the methanol cross-over problem in DMFCs, and improves the power output by 35% in comparison with a commercial Nafion membrane.

Original languageEnglish
Pages (from-to)1991-1995
Number of pages5
JournalPolymer Chemistry
Issue number8
Publication statusPublished - 2012 Aug

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biochemistry
  • Polymers and Plastics
  • Organic Chemistry


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