Experimental analysis demonstrates superior nitroarene electrochemical reduction using hollow-structured ZIF-67 catalysts, suggesting potential for efficient industrial amine electrosynthesis.
ZIF-67/HS (ZIF: zeolitic imidazolate framework; HS: hollow structure) was employed in an H-cell for electrochemical reduction of nitroarenes. In the process, water as a hydrogen resource is dissociated into *H species, and the HS for selective *H species transfers to −NO2 groups for reduction while the side reactions are effectively avoided, leading to high selectivity that is sharply superior to the traditional contact mode. The experimental and calculation results uncover that ZIF-67/HS delivers superior performance in nitrobenzene reduction compared with pristine ZIF-67, showing great potential for the fabrication of electrochemical catalysts toward industrial processes.
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Su et al. (2026) studied this question.
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