A new supramolecular film formed from a silsesquioxane derivative for application in proton exchange membranes

Chih Chia Cheng, Ying Chieh Yen, Fu-Hsiang Ko, Chih Wei Chu, Shih Kang Fan, Feng Chih Chang*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    21 Scopus citations

    Abstract

    A new polyhedral oligomeric silsesquioxane ionomer (HCl-doped POSS-C11-Py) has been investigated. This new ionomer is able to self-assemble through macromers by quadruple hydrogen bonding interactions into a physically crosslinked polymer-like material that can be easily fabricated into films with micro-phase separation. This HCl-doped POSS-C11-Py membrane exhibits higher proton conductivity than a typical Nafion® membrane at high temperature, which is extremely rare for a non-sulfonic acid system. This newly developed material may provide an alternative route toward design and fabrication of a new type of proton exchange membranes.

    Original languageEnglish
    Pages (from-to)731-734
    Number of pages4
    JournalJournal of Materials Chemistry
    Volume22
    Issue number2
    DOIs
    StatePublished - 14 Jan 2012

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