title: Dual doping effects (site blockage and electronic promotion) imposed by adatoms on Pd nanocrystals for catalytic hydrogen production.
abstract: Three distinctive doping effects to modify the electronic and geometric properties of Pd nanocrystals for HCOOH decomposition to H2/CO2 are presented: Bi atoms take preferable residence on higher index sites, which leads to a reduction in HCOOH dehydration; Te atoms dwell favourably on terrace sites, which reduces the rate of dehydrogenation; Ag atoms, without site specificity, induce strong electronic effects to promote the activity on the dwindling number of surface Pd sites at high coverage.
authors.affiliation: Department of Chemistry, University of Oxford, OX1 3QR, UK. Edman.Tsang@chem.ox.ac.uk.
authors.forename: S
authors.initials: S
authors.lastname: Jones
authors.forename: S M
authors.initials: SM
authors.lastname: Fairclough
authors.forename: M
authors.initials: M
authors.lastname: Gordon-Brown
authors.forename: W
authors.initials: W
authors.lastname: Zheng
authors.forename: A
authors.initials: A
authors.lastname: Kolpin
authors.forename: B
authors.initials: B
authors.lastname: Pang
authors.forename: W C H
authors.initials: WC
authors.lastname: Kuo
authors.forename: J M
authors.initials: JM
authors.lastname: Smith
authors.forename: S C E
authors.initials: SC
authors.lastname: Tsang