Abstract
Filling in the gaps: Macroporous silicon membranes modified with sulfonated polymer brushes have been synthesized by pore-filling surface polymerization (see picture) to give proton-conducting channels with tailor-made, finely tuned physicochemical characteristics. These membranes display high conductivity values (ca. 10(-2) S cm(-1)) regardless of the humidity, thus surpassing the performance of nafion.
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