Platinum (II) acetylacetonate (Pt(acac)
2, 97%) and
nickel (II) acetylacetonate (Ni(acac)
2, anhydrous, >95%) were purchased from Alfa Aesar. Cobalt (III) acetylacetonate (Co(acac)
3, 99.95%) was purchased from Strem Chemicals, and
1,2-hexadecanediol (90%),
benzyl ether (99%),
oleylamine (70%), and
oleic acid (99+%) were purchased from Sigma Aldrich. γ-phase aluminum oxide pellet (43832) was purchased from Alfa Aesar and kept under ball milling conditions for 48 h before further use.
Vulcan carbon XC-72 was obtained from Cabot. Overall, 5.0 wt% or 1.0 wt% Pt/Al
2O
3 catalysts used in this work were also purchased from Alfa Aesar as the control catalysts. Gases of propane (1 vol% balanced by Argon), O
2 (20 vol% balanced by N
2), and H
2 (99.99%) gases were purchased from Airgas. All chemicals were used as received.
Shan S., Li J., Maswadeh Y., O’Brien C., Kareem H., Tran D.T., Lee I.C., Wu Z.P., Wang S., Yan S., Cronk H., Mott D., Yang L., Luo J., Petkov V, & Zhong C.J. (2020). Surface oxygenation of multicomponent nanoparticles toward active and stable oxidation catalysts. Nature Communications, 11, 4201.