Intermatrix synthesis of polymer stabilized inorganic nanocatalyst with maximum accessibility for reactants

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.contributor	Universitat Politècnica de Catalunya. POLQUITEX - Materials Polimérics i Química Téxtil
dc.contributor.author	Ruiz Nicolás, Patricia
dc.contributor.author	Muñoz Tapia, Maria
dc.contributor.author	Macanás de Benito, Jorge
dc.contributor.author	Turta, Constantin
dc.contributor.author	Prodius, Denis
dc.contributor.author	Muraviev, Dmitri N.
dc.date	2010-02-21
dc.identifier.citation	Ruiz, P. [et al.]. Intermatrix synthesis of polymer stabilized inorganic nanocatalyst with maximum accessibility for reactants. "Dalton transactions", 21 Febrer 2010, vol. 39, núm. 7, p. 1751-1757.
dc.identifier.citation	1477-9226
dc.identifier.citation	10.1039/B917929A
dc.identifier.uri	http://hdl.handle.net/2117/27050
dc.language.iso	eng
dc.publisher	Royal Society of Chemistry
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria química
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers
dc.subject	Polymers
dc.subject	Metal Nanoparticles--chemistry
dc.subject	Sulfonates
dc.subject	Polímers
dc.subject	Nanopartícules
dc.title	Intermatrix synthesis of polymer stabilized inorganic nanocatalyst with maximum accessibility for reactants
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	In this paper we report a comparative study of different procedures for the inter-matrix synthesis (IMS) of monometallic Pd-Polymer-Stabilized Metal NanoParticles (PSMNPs) in sulfonated polyetherether ketone (SPEEK) as stabilizing polymeric matrix. The IMS technique consists in consecutive metal loading-reduction cycles and can be realized by using two different versions: (i) in situ and (ii) ex situ. For in situ IMS the bare polymeric material is first deposited onto the electrode surface followed by metal loading and reduction. The last step (reduction of metal ions to PSMNPs) can be done either chemically or electrochemically. Pd-PSMNPs were synthesized by varying both the Pd concentration in the loading solution and the IMS procedure. MNPs were characterized by TEM, XRD, ICP-OES and EDS techniques and the main differences found are related to MNPs size and their spatial distribution inside the polymeric matrix. The catalytic activity of Pd-PSMNPs synthesized by different versions of the IMS technique was evaluated by using PSMNPs modified electrodes as amperometric sensors.

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