- Surface oxygen triggered size change of palladium nano-crystals impedes catalytic efficacy.
Surface oxygen triggered size change of palladium nano-crystals impedes catalytic efficacy.
Chemical communications (Cambridge, England) (2010-12-07)
Jianli Zou, Scott G Stewart, Colin L Raston, K Swaminathan Iyer
PMID21132194
ABSTRACT
Palladium nano-crystals increase in size during the initial recycling in Heck cross coupling reactions. We demonstrate that oxygen adsorbed on the surface of palladium nano-crystals plays a pivotal role in driving the ripening. This in turn is associated with a loss in catalytic activity.