Origin of the synergistic effects of bimetallic nanoparticles coupled with a metal oxide heterostructure for accelerating catalytic performance
作者机构:Integrated Materials Chemistry LaboratorySchool of Materials Science and EngineeringYeungnam UniversityGyeongsanRepublic of Korea School of Chemical EngineeringYeungnam University280 Daehak-roGyeongsanGyeongbukRepublic of Korea Korea Institute of Energy Technology(KENTECH)200 Hyeokshin-roJeollanam-doNajuRepublic of Korea Cardiff UniversitySchool of ChemistryCF103AT CardiffUnited Kingdom
出 版 物:《SusMat》 (可持续发展材料(英文))
年 卷 期:2024年第4卷第3期
页 面:227-239页
核心收录:
学科分类:081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学]
基 金:supported by National Research Foundation(NRF)grants funded by the Ministry of Science and ICT Republic of Korea(NRF-2022R1A2C1004392)and SI thanks ARCCA Cardiff for computing time
主 题:bimetals nanoparticles oxides heterostructures hydrogenation
摘 要:Precisely tuning bicomponent intimacy during reactions by traditional methods remains a formidable challenge in the fabrication of highly active and stable catalysts because of the difficulty in constructing well-defined catalytic systems and the occurrence of agglomeration during *** overcome these limitations,a PtRuPNiO@TiO_(x)catalyst on a Ti plate was prepared by ultrasound-assisted low-voltage plasma *** method involves the oxidation of pure Ti metal and co-reduction of strong metals at 3000◦C,followed by sonochemical ultrasonication under ambient conditions in an aqueous *** intimacy of the bimetals in PtRuPNiO@TiOx is tuned,and the metal nanoparticles are uniformly distributed on the porous titania coating via strong metal-support interactions by leveraging the instantaneous high-energy input from the plasma discharge and ultrasonic *** intimacy of PtRuPNiO@TiO_(x)increases the electron density on the Pt ***,the paired sites exhibit a high hydrogen evolution reaction activity(an overpotential of 220 mV at a current density of 10 mA cm^(−2)and Tafel slope of 186 mV dec^(−1)),excellent activity in the hydrogenation of 4-nitrophenol with a robust stability for up to 20 cycles,and the ability to contrast stated catalysts without ultrasonication and plasma *** study facilitates industrially important reactions through synergistic chemical interactions.