Rapid synthesis of porous honeycomb Cu/Pd through a hydrogen-bubble templating method

Najdovski, Ilija, Selvakannan, P.R., O'Mullane, Anthony P., & Bhargava, Suresh K. (2011) Rapid synthesis of porous honeycomb Cu/Pd through a hydrogen-bubble templating method. Chemistry-A European Journal, 17(36), pp. 10058-10063.

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A rapid electrochemical method based on using a clean hydrogen-bubble template to form a bimetallic porous honeycomb Cu/Pd structure has been investigated. The addition of palladium salt to a copper-plating bath under conditions of vigorous hydrogen evolution was found to influence the pore size and bulk concentration of copper and palladium in the honeycomb bimetallic structure. The surface was characterised by X-ray photoelectron spectroscopy, which revealed that the surface of honeycomb Cu/Pd was found to be rich with a Cu/Pd alloy. The inclusion of palladium in the bimetallic structure not only influenced the pore size, but also modified the dendritic nature of the internal wall structure of the parent copper material into small nanometre-sized crystallites. The chemical composition of the bimetallic structure and substantial morphology changes were found to significantly influence the surface-enhanced Raman spectroscopic response for immobilised rhodamine B and the hydrogen-evolution reaction. The ability to create free-standing films of this honeycomb material may also have many advantages in the areas of gas- and liquid-phase heterogeneous catalysis.

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15 citations in Scopus
13 citations in Web of Science®
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49 since deposited on 20 Nov 2013
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ID Code: 64290
Item Type: Journal Article
Refereed: Yes
Keywords: bubble templating;copper;electrochemistry;palladium;porous materials
DOI: 10.1002/chem.201101224
ISSN: 1521-3765
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 WILEY-VCH Verlag
Deposited On: 20 Nov 2013 23:23
Last Modified: 27 May 2014 23:38

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