%0 Journal Article %1 Poelsema1985 %A Poelsema, Bene %A Verheij, Laurens K. %A Comsa, George %D 1985 %J Surf. Sci. %K CO, Pt(111), platinum science, sticking, surface %P 496 %R 10.1016/0039-6028(85)90181-5 %T Temperature dependency of the initial sticking probability of H2 and CO on Pt(111) %V 152-153 %X The initial sticking probability of the reactive gases H2 and CO on a nearly defect free Pt(111) surface is studied in the temperature range 90�300 K by means of Thermal Energy Atom Scattering (TEAS). By means of TEAS relative initial sticking probabilities can he measured with great accuracy. H2/Pt(111): The initial sticking probability is found to increase with increasing surface temperature. The important role in the chemisorption process played by defects, even at concentrations < 10-3 is emphasized. A two-stage model is proposed to explain these results. CO/Pt(111): The initial sticking probability is found to decrease with increasing surface temperature. This observation is explained with a precursor model.

@article{Poelsema1985, abstract = {The initial sticking probability of the reactive gases H2 and CO on a nearly defect free Pt(111) surface is studied in the temperature range 90�300 K by means of Thermal Energy Atom Scattering (TEAS). By means of TEAS relative initial sticking probabilities can he measured with great accuracy. H2/Pt(111): The initial sticking probability is found to increase with increasing surface temperature. The important role in the chemisorption process played by defects, even at concentrations < 10-3 is emphasized. A two-stage model is proposed to explain these results. CO/Pt(111): The initial sticking probability is found to decrease with increasing surface temperature. This observation is explained with a precursor model.}, added-at = {2009-10-30T10:04:05.000+0100}, author = {Poelsema, Bene and Verheij, Laurens K. and Comsa, George}, biburl = {https://www.bibsonomy.org/bibtex/20da2eccc95e2697a365be1ef93e66d47/jfischer}, doi = {10.1016/0039-6028(85)90181-5}, interhash = {bc5f0358cd4a0627bfb2a0d366ab4403}, intrahash = {0da2eccc95e2697a365be1ef93e66d47}, journal = {Surf. Sci.}, keywords = {CO, Pt(111), platinum science, sticking, surface}, pages = 496, timestamp = {2009-10-30T10:04:17.000+0100}, title = {Temperature dependency of the initial sticking probability of H2 and CO on Pt(111)}, volume = {152-153}, year = 1985 }