Synthesis of poly(dihydroxystyrene-block-styrene) (PDHSt-b-PSt) by the RAFT process and preparation of organic-solvent-dispersive Ag NPs by automatic reduction of metal ions in the presence of PDHSt-b-PSt

We proposed a block copolymer, poly(dihydroxystyrene-block-styrene) (PDHSt-b-PSt), that contains catechol groups in the side chains of PDHSt moieties. Since catechol groups automatically reduce silver (Ag) ions to their metallic state, the block copolymer was used as a reductant to synthesize organi...

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Published inChemical communications (Cambridge, England) Vol. 51; no. 18; pp. 3743 - 3746
Main Authors Saito, Yuta, Yabu, Hiroshi
Format Journal Article
LanguageEnglish
Published England 04.03.2015
Subjects
Block copolymers
Catechol
Metal ions
Molecular weight
Rafts
Reduction (metal working)
Silver
Synthesis (chemistry)
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Summary:We proposed a block copolymer, poly(dihydroxystyrene-block-styrene) (PDHSt-b-PSt), that contains catechol groups in the side chains of PDHSt moieties. Since catechol groups automatically reduce silver (Ag) ions to their metallic state, the block copolymer was used as a reductant to synthesize organic-solvent-dispersive Ag NPs (NPs) stabilized with the block copolymer at room temperature. Ag NP sizes were controlled by changing molecular weights of PDHSt of the block copolymer.
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ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc08366k