Lewis base sites of non-oxide supports boost oxygen absorption and activation over supported Pt catalysts

Abstract

Efficient purification of HCHO by C3N4 supported Pt nanoparticles at room temperature.

Enhanced oxygen activation on an atomically dispersed Au catalyst with dual active sites for room-temperature formaldehyde oxidation

“…18 For the HCHO catalytic oxidation, noble metal catalysts have also shown excellent performance, owing to efficient O 2 activation, and numerous studies on the exploitation of supported noble metal catalysts with higher dispersion and reduced loading have been reported. [19][20][21][22] Supported Au catalysts generally possess superior catalytic activities because Au can excellently activate surface oxygen species of metal oxide supports to achieve outstanding HCHO oxidation performance. [23][24][25] Besides, some singleatom Au catalysts have also demonstrated good catalytic performance for HCHO oxidation, because Au atoms can activate surface lattice oxygen and promote migration of bulk lattice oxygen, thus generating surface active oxygen species for HCHO oxidation.…”