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In situ synthesis o...
In situ synthesis of Pt nanoparticles in SBA-15 by encapsulating in modified template micelles : size restricted growth within the mesochannels
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Prashar, Atul K. (författare)
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- Hodgkins, Robert P. (författare)
- Stockholms universitet,Avdelningen för oorganisk kemi och strukturkemi
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Kumar, Rajiv (författare)
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Devi, R. Nandini (författare)
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(creator_code:org_t)
- Royal Society of Chemistry (RSC), 2008
- 2008
- Engelska.
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Ingår i: Journal of Materials Chemistry. - : Royal Society of Chemistry (RSC). - 0959-9428 .- 1364-5501. ; 18:15, s. 1765-1770
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A truly in situ and simple method is developed for nanoparticle incorporation within the mesochannels of SBA-15 involving dispersion of metal precursors in surfactant-modified polymer micelles. The diffusion of the precursor within the micellar structure is aided by interaction with the cationic head group of the surfactant leading to a unique method to facilitate the formation of highly disperse, uniform nanoparticles molded by the walls of the mesochannels. The nanoparticle incorporated mesoporous material has a highly enhanced surface area and adsorption capabilities in comparison to its parent materials without any pore blockage which makes this method ideal for the preparation of nanocatalysts.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- mesoporous silica
- selective hydrogenation
- catalytic-properties
- triblock copolymers
- ionic surfactants
- aqueous-solutions
- block-copolymers
- cinnamaldehyde
- nanocrystals
- aldehydes
- Physics
- Fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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