Abstract
Pd–Ir mesocrystals with rough surface and highly branched structure were synthesized through a facile co-reduction method. The morphology evolution shows the mesocrystals were formed by oriented attachment of nanoparticles, and abundant defects sites as well as synergetic effect between building units were formed during mesocrystals oriented attachment process. Therefore, the supported Pd–Ir mesocrystals show a significant enhancement in catalytic performance in hydrogenation of 2-ethylanthraquinone compared with conventional Pd–Ir nanoparticles. The high activity can be ascribed to high densities of defect sites in Pd–Ir MCs catalyst, which facilitated H2 activation. In addition, the geometric effect of Pd–Ir MCs catalyst was responsible for inhibiting further hydrogenation of eAQH2 to undesired consecutive byproducts.
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This work was supported by the National Key Research and Development Program of China (No. 2016YFB0301601) as well as the Fundamental Research Funds for the Central Universities (JD1616).
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Hong, R., He, Y., Miao, C. et al. Fabrication of Supported Pd–Ir Mesocrystal Catalyst for Hydrogenation of 2-Ethylanthraquinone. Catal Lett 147, 1802–1810 (2017). https://doi.org/10.1007/s10562-017-2076-7
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DOI: https://doi.org/10.1007/s10562-017-2076-7