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Nanoporous Polyelectrolyte Spheres Prepared by Sequentially Coating Sacrificial Mesoporous Silica Spheres
Author(s) -
Wang Yajun,
Yu Aimin,
Caruso Frank
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200462135
Subject(s) - polyelectrolyte , allylamine , nanoporous , spheres , hydrofluoric acid , materials science , coating , acrylic acid , mesoporous silica , chemical engineering , layer (electronics) , mesoporous material , nanotechnology , composite material , copolymer , chemistry , organic chemistry , catalysis , polymer , physics , astronomy , engineering , metallurgy
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).