Göksu, HaydarHo, Sally FaeMetin, ÖnderKorkmaz, KatipGarcia, Adriana MendozaGültekin, Mehmet SerdarSun, Shouheng2020-04-302020-04-3020142155-5435https://doi.org/10.1021/cs500167khttps://hdl.handle.net/20.500.12684/4747Metin, Onder/0000-0003-1622-4992; Mendoza-Garcia, Adriana/0000-0002-2892-4470WOS: 000337074700016We report a facile synthesis of monodisperse NiPd alloy nanoparticles (NPs) and their assembly on graphene (G) to catalyze the tandem dehydrogenation of ammonia borane (AB) and hydrogenation of R-NO2 and/or R-CN to R-NH2 in aqueous methanol solutions at room temperature. The 3.4 nm NiPd alloy NPs were prepared by coreduction of nickel(II) acetate and palladium(H) acetlyacetonate by borane-tert-butylamine in oleylamine and deposition on G via a solution phase self-assembly process. G-NiPd showed composition-dependent catalysis on the tandem reaction with G-Ni30Pd70 being the most active. A variety of R-NO2 and/or R-CN derivatives were reduced selectively into R-NH2 via G-Ni30Pd70 catalyzed tandem reaction in 5-30 mm reaction time with the conversion yields reaching up to 100%. Our study demonstrates a new approach to G-NiPd-catalyzed dehydrogenation of AB and hydrogenation of R-NO2 and R-CN. The G-NiPd NP catalyst is efficient and reusable, and the reaction can be performed in an environment-friendly process with short reaction times and high yields.en10.1021/cs500167kinfo:eu-repo/semantics/closedAccessalloy nanoparticlestandem reactiondehydrogenationhydrogenationnitro/nitrile compoundsprimary aminesArticle4617771782WOS:000337074700016Q1Q1