The heterogeneous catalysts are widely employed in industry and can be optimized via composition and structural design. Benefiting from the development of modern surface techniques, it has been discovered that the interface of materials exhibits attractive properties, especially in the field of heterogeneous catalysis. A tandem catalyst can be constructed by combining multiple active interfaces for a sequential reaction. Here, the PtNi nanosheets are loaded on the titanium dioxide to construct the Ni/TiO2 and Pt/TiO2 interface, which could be utilized for selective hydrogenation of unsaturated aldehydes with transfer hydrogenation, namely, hydrogenation process with hydrogen from the same catalyst by the decomposition of hydrazine hydrate on the Ni/TiO2 interface. The transfer hydrogenation is much easier and safer than hydrogenation using gaseous H2. Here we present a valuable catalyst design concept that the tandem reaction and transfer hydrogenation can be combined to achieve a sequential catalysis, improving efficiency and saving energy.

Design of interface for transfer hydrogenation catalysts

254th National Meeting (2017)

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