title: Conducting metallopolymers as precursors to fabricate palladium nanoparticle/polymer hybrids for oxygen reduction.
abstract: The novel conducting metallopolymer [N,N'-((2,2'-dimethyl)propyl)bis(5-(2,2'-bithiophene-5-yl)salcylideniminato-palladium(II)](n) prepared by electropolymerization provides a polymer matrix in which the palladium metal centers are evenly distributed. The metal centers embedded directly in the conducting metallopolymer backbone serve as seed points for size-controlled palladium nanoparticle (NP) growth of 3.8 to 4.9 nm NPs within the conducting metallopolymer film. The palladium NP/conducting metallopolymer hybrid material has demonstrated electrocatalytic behavior toward oxygen reduction with peak current densities around 400 μA/cm(2) in acidic aqueous conditions. These results demonstrate a promising new method for the production of electrocatalytically active hybrid materials.
authors.affiliation: Department of Chemistry and Biochemistry and, Center for Nano and Molecular Science and Technology, The University of Texas at Austin, 1 University Station, A5300, Austin, TX 78712-0165, USA.
authors.forename: Kate R
authors.initials: KR
authors.lastname: Edelman
authors.forename: Keith J
authors.initials: KJ
authors.lastname: Stevenson
authors.forename: Bradley J
authors.initials: BJ
authors.lastname: Holliday
mesh_terms: D004563:Electrochemistry; D053768:Metal Nanoparticles / Q000737:chemistry*; D010084:Oxidation-Reduction; D010100:Oxygen / Q000737:chemistry*; D010165:Palladium / Q000737:chemistry*; D011108:Polymers / Q000737:chemistry*
chemical_list: D011108:Polymers; D010165:Palladium; D010100:Oxygen