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Nanoscale Silica Capsules Ordered on a Substrate: Oxidation of Nanocellular Thin Films of Poly(styrene‐ b ‐dimethylsiloxane)
Author(s) -
Li Lei,
Yokoyama Hideaki
Publication year - 2006
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.200602274
Subject(s) - nanoscopic scale , styrene , materials science , supercritical fluid , chemical engineering , supercritical carbon dioxide , copolymer , nanocapsules , substrate (aquarium) , nanotechnology , polymer chemistry , organic chemistry , polymer , nanoparticle , chemistry , composite material , oceanography , geology , engineering
Small capsules : Nanoscale silica capsules can be synthesized by the oxidation of nanoscale bubbles in the poly(dimethylsiloxane) domains of poly(styrene‐ b ‐dimethylsiloxane). These nanobubbles are introduced by a process involving supercritical carbon dioxide. The nanocapsules are opened up after dry etching (see AFM image).