Abstract

Abstract This work reports that 5% Mn doping of Co3O4 can greatly improve catalytic performance of Co3O4/N-doped carbon (Co3O4/NC) catalysts toward hydrogenation reaction of p-nitrophenol by using NaBH4 as reducing agent. Mn doping can cause formation of cobalt or oxygen vacancies without changing the crystalline structure of Co3O4. The 5%Mn-doped Co3O4/NC has a high activity parameter of 173 s−1·g−1 when the molar ratio of NaBH4:p-nitrophenol is 100:1, while the un-doped Co3O4/NC catalyst has a low parameter of 37.0 s−1·g−1.

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