Journal
ENERGY & FUELS
Volume -, Issue -, Pages -Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.energyfuels.3c02274
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Developing efficient catalysts for aerobic oxidation desulfurization has always been a promising technology for purifying diesel fuels. Platinum (Pt) catalysts show potential performance for the selective oxidation of sulfides, although the scarcity and high cost of Pt limit its large-scale development. Alloying Pt is considered to be an effective strategy to reduce the platinum load and increase the high catalytic activity. The researchers successfully prepared highly dispersed PtFe nanoalloys coupled with defect-rich W18O49 nanomaterials, which showed excellent yields of up to 99% for 4,6-dimethyldibenzothiophene.
Developing efficient catalysts for aerobic oxidation desulfurization has always been a promising technology for purifying diesel fuels. Platinum (Pt) catalysts show potential performance for the selective oxidation of sulfides, although the scarcity and high cost of Pt limit its large-scale development. Alloying Pt is considered to be an effective strategy to reduce the platinum load and increase the high catalytic activity. Herein, highly dispersed PtFe nanoalloys coupled with defect-rich W18O49 nanomaterials were successfully prepared, and the size and dispersion of nanoparticles were controllable. The alloyed effect and strong metal-support interaction enhance the adsorption of sulfides and selective oxidation over PtFe/W18O49 to achieve excellent yields of up to 99% for 4,6-dimethyldibenzothiophene.
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