Influence of copper doping on the low-medium NH3-SCR activity of magnetic W/Fe2O3 catalyst: Its synergetic effect of glucose dosage

Cu-Doped Fe2O3 Nanorods for Enhanced Electrocatalytic Nitrogen Fixation to Ammonia

“…Moreover, this increase would be also related to the electronic interaction between Fe and Cu ions because the position of the deconvoluted Fe 2p peaks shifted toward a higher binding energy after the Cu doping. Similar shifts have been reported for some Cu-incorporated Fe oxides and interpreted as charge transfer from Fe 2+ /Fe 3+ to Cu + /Cu 2+ ion pairs. , Thus, charge redistribution in the catalyst is another reason for the increased Fe 3+ fraction. Meanwhile, no negligible peak shift was observed for Cu-loaded Fe 2 O 3 (Figure S10).…”

“…Similar shifts have been reported for some Cu-incorporated Fe oxides and interpreted as charge transfer from Fe 2+ /Fe 3+ to Cu + /Cu 2+ ion pairs. 60,61 Thus, charge redistribution in the catalyst is another reason for the increased Fe 3+ fraction. Meanwhile, no negligible peak shift was observed for Cu-loaded Fe 2 O 3 (Figure S10).…”

Promotional Effect of Zirconium Doping on the NH3‐SCR Activity of CeO2 and CeO2‐TA Modified by Thiourea: A Comparative Study

“…Several Py-IR peaks can be found and the peak located at about 1542 cm À 1 is assigned to the CÀ N stretching of pyridine adsorbed to the Brønsted acid sites. [59] The peaks at about 1445 cm À 1 , 1575 cm À 1 , 1597 cm À 1 , and 1606 cm À 1 are attributed to Lewis acid sites. [60] In addition, the peak at about 1490 cm À 1 is due to the interaction of pyridine molecules with both Brønsted and Lewis acid sites.…”