Issue 10, 2015
From the journal:

RSC Advances

Rotating disk slurry electrodeposition of platinum at Y-zeolite/carbon Vulcan XC-72R for methanol oxidation in alkaline media

Amal Suleiman,a   Christian L. Menéndez,a   Ramón Polanco,b   Esteban Rosim Fachini,c   Yaritza Hernández-Lebrón,a   Maxime J.-F. Guinel,ad   Rolando Roque-Malherbe*b  and  Carlos R. Cabrera*a  

* Corresponding authors

a Department of Chemistry and Molecular Sciences Research Building, University of Puerto Rico, 1390 Ponce De León Ave. Suite 2, San Juan, Puerto Rico 00926
E-mail: carlos.cabrera2@upr.edu

b Institute for Physical Chemical Applied Research, School of Science, University of Turabo, PO Box 3030, Gurabo, Puerto Rico
E-mail: rroque@suagm.edu

c Department of Physical Sciences, General Studies College, University of Puerto Rico, Río Piedras Campus, San Juan, Puerto Rico 00931

d Department of Physics, University of Puerto Rico, San Juan, Puerto Rico 00931

Abstract

Platinum was electrodeposited onto Y-zeolite and Y-zeolite (Y)/Vulcan XC-72R (V) to produce Pt/Y/V and Pt/Y catalysts using a rotating disk slurry electrode technique. The activities of the two catalysts were measured towards methanol electro-oxidation in alkaline media by cyclic voltammetry and chronoamperometry. The materials were examined using electron microscopy. The results were compared to those obtained on commercial catalysts. Pt/Y/V (with 14 wt% Pt) catalyst was the most active, even more so than a commercial Pt/V catalyst with 20 wt% Pt. The Pt/Y/V catalysts contained Pt nanoparticles and tetrahedra, likely a consequence of the nucleation and growth within the zeolite framework.

Graphical abstract: Rotating disk slurry electrodeposition of platinum at Y-zeolite/carbon Vulcan XC-72R for methanol oxidation in alkaline media

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Article information

DOI
https://doi.org/10.1039/C4RA05877A
Article type
Paper
Submitted
17 Jun 2014
Accepted
16 Dec 2014
First published
17 Dec 2014

RSC Adv., 2015,5, 7637-7646

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Rotating disk slurry electrodeposition of platinum at Y-zeolite/carbon Vulcan XC-72R for methanol oxidation in alkaline media

A. Suleiman, C. L. Menéndez, R. Polanco, E. R. Fachini, Y. Hernández-Lebrón, M. J.-F. Guinel, R. Roque-Malherbe and C. R. Cabrera, RSC Adv., 2015, 5, 7637 DOI: 10.1039/C4RA05877A

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