Recently, zeolitic imidazolate framework (ZIF)-derived metal/N-doped porous carbon nanocomposites (M@NCs) have emerged as a class of appealing heterogeneous catalysts applied in organic synthesis, and the striking features mainly involve low-cost...

To achieve high photocatalytic efficiency of H2 evolution, promoting the utilization rate of photogenerated charge carriers by photocatalytic synergistic reaction is an efficient strategy. In this work, Co3S4/Zn0.5Cd0.5S nanocomposites with...

The coordination environment of atomically metal sites can modulate the electronic states and geometric structure of single-atom catalysts, which determine their catalytic performance. In this work, the porous carbon-supported N, P dual-coordinated Mn single-atom catalyst was successfully prepared via the phosphatization of zeolitic imidazolate frameworks and followed by pyrolysis at 900 °C. The optimal Mn1–N/P–C catalyst with atomic MnN2P structure has displayed better catalytic activity than the related catalyst with Mn–N x structure in catalytic transfer hydrogenation of nitroarenes using formic acid as the hydrogen donor. We find that the doping of P source plays a crucial role in improving the catalytic performance, which affects the morphology and electronic properties of catalyst. This is the first Mn heterogeneous catalyst example for the reduction of nitroarenes, and it also revealed that the MnN2P configuration is a more promising alternative in heterogeneous catalysis.

A N,S codoped carbon-anchored Co nanoparticle (NP) material (Co@NSC-1) has been developed via the pyrolysis of the mixture of Co/Zn–zeolitic imidazolate frameworks (ZIFs) and thiourea. This catalyst exhibits excellent catalytic activity for the synthesis of quinazolinones from 2-nitrobenzonitrile and benzyl alcohol under additive-free conditions. The superior activity is mainly attributed to the dispersed Co NPs, large specific surface areas, strong acid–base sites, and the synergistic effects between cobalt NPs and doping of N,S atoms. It is worth noting that Co NPs are protected by the N,S codoped carbon shells of this catalyst, so it displays no significant loss in activity after six runs.

No abstract