TY - JOUR
T1 - Exploring the phase space of time of flight mass selected PtxY nanoparticles.
AU - Masini, Federico
AU - Hernandez-Fernandez, Patricia
AU - Deiana, Davide
AU - Strebel, Christian Ejersbo
AU - McCarthy, David Norman
AU - Bodin, Anders
AU - Malacrida, Paolo
AU - Stephens, Ifan
AU - Chorkendorff, Ib
N1 - © the Owner Societies 2014
PY - 2014
Y1 - 2014
N2 - Mass-selected nanoparticles can be conveniently produced using magnetron sputtering and aggregation techniques. However, numerous pitfalls can compromise the quality of the samples, e.g. double or triple mass production, dendritic structure formation or unpredicted particle composition. We stress the importance of transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and ion scattering spectroscopy (ISS) for verifying the morphology, size distribution and chemical composition of the nanoparticles. Furthermore, we correlate the morphology and the composition of the PtxY nanoparticles with their catalytic properties for the oxygen reduction reaction. Finally, we propose a completely general diagnostic method, which allows us to minimize the occurrence of undesired masses.
AB - Mass-selected nanoparticles can be conveniently produced using magnetron sputtering and aggregation techniques. However, numerous pitfalls can compromise the quality of the samples, e.g. double or triple mass production, dendritic structure formation or unpredicted particle composition. We stress the importance of transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and ion scattering spectroscopy (ISS) for verifying the morphology, size distribution and chemical composition of the nanoparticles. Furthermore, we correlate the morphology and the composition of the PtxY nanoparticles with their catalytic properties for the oxygen reduction reaction. Finally, we propose a completely general diagnostic method, which allows us to minimize the occurrence of undesired masses.
U2 - 10.1039/c4cp02144d
DO - 10.1039/c4cp02144d
M3 - Journal article
C2 - 25047100
SN - 1463-9076
VL - 16
SP - 26506
EP - 26513
JO - Physical Chemistry Chemical Physics
JF - Physical Chemistry Chemical Physics
IS - 48
ER -