Size effects in the chemistry of small clusters

A review. The article deals with the chem. of small clusters deposited on surfaces. The size-dependent oxidn. reaction 2 CO + O2 → 2 CO2 is discussed taking place on Au clusters deposited on MgO. Size-selected clusters on different support materials were prepd., and exptl. studies were performed using 13CO and 18O2. The reaction mechanism is described based on DFT calcns. and taking into account the role of surface defects. Then, the chem. of PdN clusters is discussed concerning their catalytic activity. Furthermore, cyclotrimerization and polymn. reactions on materials in the nonscalable-size regime are addressed. It is discussed, how the nonscalable size regime can influence electrocatalytic reactions. [on SciFinder(R)]     «

A review. The article deals with the chem. of small clusters deposited on surfaces. The size-dependent oxidn. reaction 2 CO + O2 → 2 CO2 is discussed taking place on Au clusters deposited on MgO. Size-selected clusters on different support materials were prepd., and exptl. studies were performed using 13CO and 18O2. The reaction mechanism is described based on DFT calcns. and taking into account the role of surface defects. Then, the chem. of PdN clusters is discussed concerning their catalyti...     »