No abstract

Supported metal single atom catalysts (SACs) present an emerging class of low-temperature catalysts with high reactivity and selectivity, which, however, face challenges on both durability and practicality. Herein, we report a single-atom Pt catalyst that is strongly anchored on a robust nanowire forest of mesoporous rutile titania grown on the channeled walls of fullsize cordierite honeycombs. This Pt SAC exhibits remarkable activity for oxidation of CO and hydrocarbons with 90% conversion at temperatures as low as~160 o C under simulated diesel exhaust conditions while using 5 times less Pt-group metals than a commercial oxidation catalyst. Such an excellent low-temperature performance is sustained over hydrothermal aging and sulfation as a result of highly dispersed and isolated active single Pt ions bonded at the Ti vacancy sites with 5 or 6 oxygen ions on titania nanowire surfaces.

Hydrogen (H2) is a prospective zero-carbon, high-energy-density fuel to generate power and clean energy instead of using fossil fuels. Ammonia (NH3) is a promising H2 (17.7%) carrier which can easily...

Boron containing catalysts have great potential in the oxidative dehydrogenation of propane reaction. Herein, a series of 15, 25 and 42 at.% boron-hyperdoped silicon catalysts synthesized by laser pyrolysis were...