College of Chemistry and Chemical Engineering Xinyang Normal University Xinyang 464000 China;
College of Chemistry and Chemical Engineering Xinyang Normal University Xinyang 464000 China;
College of Chemistry and Chemical Engineering Xinyang Normal University Xinyang 464000 China;
College of Chemistry and Chemical Engineering Xinyang Normal University Xinyang 464000 China;
College of Chemistry and Chemical Engineering Xinyang Normal University Xinyang 464000 China;
College of Chemistry and Chemical Engineering Xinyang Normal University Xinyang 464000 China;
g-ray irradiation; Platinum; Graphene aerogel; Catalytic reduction; 4-nitrophenol;