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Dr. Nanwen Li, Dr. Chenyi Wang, So Young Lee, Dr. Chi Hoon Park, Prof. Young Moo Lee and Dr. Michael D. Guiver Enhancement of Proton Transport by Nanochannels in Comb-Shaped Copoly(arylene ether sulfone)s Angewandte Chemie International Edition 50

Version of Record online: 24 AUG 2011 | DOI: 10.1002/anie.201102057

Thumbnail image of graphical abstract

Combed to perfection: Fully aromatic comb-shaped copolymers based on a poly(arylene ether sulfone) (PAES) backbone with highly sulfonated (SA) poly(phenylene oxide) (PPO) graft chains have a nanochannel morphology (see picture) for efficient proton transport. These molecular structures show a dramatic enhancement in proton conductivity under partially hydrated conditions compared with typical hydrocarbon polymer electrolytes.

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