Photoinduced Reduction of Silver inside Microscale Polyelectrolyte Capsules

Every cloud has a silver lining. The use of poly(styrene sulfonate)/poly(allylamine hydrochloride) (PSS/PAH) polyelectrolyte capsules as microreactors is described for the photochemical synthesis of nanosized silver particles, exclusively, inside a restricted volume of capsule (see graphic). The for...

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Bibliographic Details
Published in:Chemphyschem 2003-10, Vol.4 (10), p.1101-1103
Main Authors: Shchukin, Dmitry G., Radtchenko, Igor L., Sukhorukov, Gleb B.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
nanoparticles
Photochemistry
Physical chemistry of induced reactions (with radiations, particles and ultrasonics)
polyelectrolytes
silver
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Summary:Every cloud has a silver lining. The use of poly(styrene sulfonate)/poly(allylamine hydrochloride) (PSS/PAH) polyelectrolyte capsules as microreactors is described for the photochemical synthesis of nanosized silver particles, exclusively, inside a restricted volume of capsule (see graphic). The formed Ag nanoparticles are not aggregated and have an average diameter of 8 nm. The resulting Ag‐filled polyelectrolyte capsules can find applications as catalytic microreactors and medical agents.
ISSN:1439-4235
1439-7641
DOI:10.1002/cphc.200300740