Fully exposed Pt_n cluster catalysts enable cascade oxidation of polyol to dicarboxylic acid.

ABSTRACT: The polyol oxidation to dicarboxylic acid, a crucial value-accretive reaction, is still challenging due to the paradoxical relationship between efficient activation of C-H bond and rapid desorption of carboxylic acid. Herein, we break this contradiction by constructing fully exposed Pt_n cluster supported on hydroxyapatite (Pt_n/HAP) to promote two primary hydroxyl groups of polyol oxidation to dicarboxylic acid. Such fully exposed Pt_n cluster with an average Pt-Pt coordination number of ∼3.4 exhibits unique electronic properties between Pt₁ single atom and nanoparticle Pt_p. Specifically, gradient charge distribution in fully exposed Pt_n cluster shows a special synergistic effect in the C-H bond activation. Moreover, the d-ban

SUBMITTER: Yan H 

PROVIDER: S-EPMC12314095 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature