Surfactant encapsulated palladium-polyoxometalates: Controlled assembly and their application as single-atom catalysts

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Abstract

The challenge with single-atom catalysts (SACs) is in designing a highly definite structure with accurate location of the single atom and high catalytic efficiency. The noble metal substituted polyoxometalates seem to be a kind of SAC because of their well resolved crystal structure. Here, we got two kinds of assembly structures (nanorolls and hollow spindles) based on the palladium substituted Wells-Dawson polyoxometalate (Pd-POM), which consists of isolated Pd atoms. Both the nanorolls and hollow spindles showed high catalytic activity for both the Suzuki-Miyaura coupling reaction and semihydrogenation reaction. The difference of the chemical surroundings between the nanorolls and hollow spindles leads to their discrepancy in the catalytic activity of semihydrogenation.

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He, P., Xu, B., Xu, X., Song, L., & Wang, X. (2016). Surfactant encapsulated palladium-polyoxometalates: Controlled assembly and their application as single-atom catalysts. Chemical Science, 7(2), 1011–1015. https://doi.org/10.1039/c5sc03554f

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