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Thermo-sensitive Mi...
Thermo-sensitive Microgels Supported Gold Nanoparticles as Temperature-mediated Catalyst
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Zhou, Xian-Jing (author)
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Lu, Hai-Peng (author)
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Kong, Ling-Li (author)
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Zhang, Dong (author)
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Zhang, Wei (author)
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Nie, Jing-Jing (author)
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- Yuan, Jia-Yin (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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Du, Bin-Yang (author)
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Wang, Xin-Ping (author)
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(creator_code:org_t)
- 2018-08-30
- 2019
- English.
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In: Chinese Journal of Polymer Science. - : Springer Science and Business Media LLC. - 0256-7679 .- 1439-6203. ; 37:3, s. 235-242
- Related links:
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https://doi.org/10.1...
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http://www.cjps.org/...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Microgels with a thermo-sensitive poly(N-isopropylacrylamide) (polyNIPAm) backbone and bis-imidazolium (VIM) ionic cross-links, denoted as poly(NIPAm-co-VIM), were successfully prepared. The as-synthesized ionic microgels were converted to nanoreactors, denoted as Au@PNI MGs, upon generation and immobilization of gold nanoparticles (Au NPs) of 5-8 nm in size into poly(NIPAm-co-VIM). The content of Au NPs in microgels could be regulated by controlling the 1,6-dibromohexane/vinylimidazole molar ratio in the quaternization reaction. The microgel-based nanoreactors were morphologically spherical and uniform in size, and presented reversible thermo-sensitive behavior with volume phase transition temperatures (VPTTs) at 39-40 degrees C. The Au@PNI MGs were used for the reduction of 4-nitrophenol, of which the catalytic activity could be modulated by temperature.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- Microgel
- Thermo-sensitive
- Gold nanoparticle
- Catalyst
Publication and Content Type
- ref (subject category)
- art (subject category)
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