title: Controlled synthesis of bimetallic Pd-Rh nanoframes and nanoboxes with high catalytic performances.
abstract: Bimetallic nanoframes and nanoboxes of Pd-Rh are synthesized by selective removal of Pd cores from different Pd-Rh nanocubes prepared by a hydrothermal reaction of PdCl2, RhCl3 and HCHO. HCHO in the procedure alters the reaction kinetics and the growth behavior of Pd and Rh, resulting in different nanocubes that determine the following hollow nanostructures, nanoframes or nanoboxes. The catalytic properties of the hollow nanostructures are investigated using the oxidation of o-phenylenediamine (OPDA) to 2,3-diaminophenazine (DAP) as a model reaction. The resulting bimetallic nanoframes and nanoboxes show enhanced conversion efficiencies compared to their solid counterparts. This method offers a convenient way for mass production of bimetallic hollow nanomaterials.
authors.affiliation: Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People's Republic of China. yangjian@sdu.edu.cn.
authors.forename: Wei
authors.initials: W
authors.lastname: Ye
authors.forename: Shufang
authors.initials: S
authors.lastname: Kou
authors.forename: Xia
authors.initials: X
authors.lastname: Guo
authors.forename: Fang
authors.initials: F
authors.lastname: Xie
authors.forename: Hongyan
authors.initials: H
authors.lastname: Sun
authors.forename: Haotian
authors.initials: H
authors.lastname: Lu
authors.forename: Jian
authors.initials: J
authors.lastname: Yang