Atomic Layer Deposition of Pd Nanoparticles on TiO2 Nanotubes for Ethanol Electrooxidation: Synthesis and Electrochemical Properties

被引:57
作者
Assaud, Loic [2 ]
Brazeau, Nicolas [1 ]
Barr, Maissa K. S. [2 ]
Hanbuecken, Margrit [2 ]
Ntais, Spyridon [1 ]
Baranova, Elena A. [1 ]
Santinacci, Lionel [2 ]
机构
[1] Univ Ottawa, Ctr Catalysis Res & Innovat, Dept Chem & Biol Engn, 161 Louis Pasteur St, Ottawa, ON K1N 6N5, Canada
[2] Aix Marseille Univ, CNRS, CINaM UMR 7325, F-13288 Marseille, France
关键词
atomic layer deposition; electrocatalysis; direct ethanol fuel cells; titanium dioxide; palladium; nanotubes; nanoparticles; ELECTROCATALYTIC ACTIVITY; PLATINUM NANOPARTICLES; CARBON NANOTUBES; ALKALINE MEDIA; FUEL-CELLS; PALLADIUM; CATALYSTS; OXIDATION; REDUCTION; PARTICLES;
D O I
10.1021/acsami.5b06056
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Palladium nanoparticles are grown on TiO2 nanotubes by atomic layer deposition (ALD), and the resulting three-dimensional nanostructured catalysts are studied for ethanol electrooxidation in alkaline media. The morphology, the crystal structure, and the chemical composition of the Pd particles are fully characterized using scanning and transmission electron microscopies, X-ray diffraction, and X-ray photoelectron spectroscopy. The characterization revealed that the deposition proceeds onto the entire surface of the TiO2 nanotubes leading to the formation of well-defined and highly dispersed Pd nanoparticles. The electrooxidation of ethanol on Pd clusters deposited on TiO2 nanotubes shows not only a direct correlation between the catalytic activity and the particle size but also a steep increase of the response due to the enhancement of the metal support interaction when the crystal structure of the TiO2 nanotubes is modified by annealing at 450 degrees C in air.
引用
收藏
页码:24533 / 24542
页数:10
相关论文
共 66 条
[1]   Catalysts for direct ethanol fuel cells [J].
Antolini, Ermete .
JOURNAL OF POWER SOURCES, 2007, 170 (01) :1-12
[2]   Palladium in fuel cell catalysis [J].
Antolini, Ermete .
ENERGY & ENVIRONMENTAL SCIENCE, 2009, 2 (09) :915-931
[3]   3D-nanoarchitectured Pd/Ni catalysts prepared by atomic layer deposition for the electrooxidation of formic acid [J].
Assaud, Loc ;
Monyoncho, Evans ;
Pitzschel, Kristina ;
Allagui, Anis ;
Petit, Matthieu ;
Hanbuecken, Margrit ;
Baranova, Elena A. ;
Santinacci, Lionel .
BEILSTEIN JOURNAL OF NANOTECHNOLOGY, 2014, 5 :162-172
[4]   Systematic increase of electrocatalytic turnover at nanoporous platinum surfaces prepared by atomic layer deposition [J].
Assaud, Loic ;
Schumacher, Johannes ;
Tafel, Alexander ;
Bochmann, Sebastian ;
Christiansen, Silke ;
Bachmann, Julien .
JOURNAL OF MATERIALS CHEMISTRY A, 2015, 3 (16) :8450-8458
[5]   Fabrication of p/n heterojunctions by electrochemical deposition of Cu2O onto TiO2 nanotubes [J].
Assaud, Loic ;
Heresanu, Vasile ;
Hanbuecken, Margrit ;
Santinacci, Lionel .
COMPTES RENDUS CHIMIE, 2013, 16 (01) :89-95
[6]   Pd and Pt-Ru anode electrocatalysts supported on multi-walled carbon nanotubes and their use in passive and active direct alcohol fuel cells with an anion-exchange membrane (alcohol = methanol, ethanol, glycerol) [J].
Bambagioni, Valentina ;
Bianchini, Claudio ;
Marchionni, Andrea ;
Filippi, Jonathan ;
Vizza, Francesco ;
Teddy, Jacques ;
Serp, Philippe ;
Zhiani, Mohammad .
JOURNAL OF POWER SOURCES, 2009, 190 (02) :241-251
[7]   Palladium-Based Electrocatalysts for Alcohol Oxidation in Half Cells and in Direct Alcohol Fuel Cells [J].
Bianchini, Claudio ;
Shen, Pei Kang .
CHEMICAL REVIEWS, 2009, 109 (09) :4183-4206
[8]  
Briggs D., 1996, PRACTICAL SURFACE AN, V2nd
[9]   THE ELECTROCATALYTIC BEHAVIOR OF PALLADIUM IN ACID AND BASE [J].
BURKE, LD ;
CASEY, JK .
JOURNAL OF APPLIED ELECTROCHEMISTRY, 1993, 23 (06) :573-582
[10]   Ultrathin metal films and particles on oxide surfaces: Structural, electronic and chemisorptive properties [J].
Campbell, CT .
SURFACE SCIENCE REPORTS, 1997, 27 (1-3) :1-111