Nano-scale lanthanide oxysulfide/oxysulfate particles were synthesized for WGS.
The nanocatalysts showed high surface area and good adhesion to a ZrO2 support.
The nanocatalysts showed significantly enhanced activity for WGS reaction.
Eu2O2S catalyst showed improved sulfur-tolerance and fast recovery time.
The nanocatalysts showed high H2 production rate with low catalyst loading.