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Yajun Wang, Aimin Yu and Frank Caruso Nanoporous Polyelectrolyte Spheres Prepared by Sequentially Coating Sacrificial Mesoporous Silica Spheres Angewandte Chemie International Edition 44

Version of Record online: 7 APR 2005 | DOI: 10.1002/anie.200462135

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A hole load of spheres: Nanoporous polyelectrolyte (PE) spheres are prepared through layer-by-layer deposition of oppositely charged poly(acrylic acid) and poly(allylamine hydrochloride) onto mesoporous silica spheres (with cross-linking by heating in each step), and the subsequent removal of the silica templates by hydrofluoric acid (HF; see scheme).

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