Publication | Closed Access
The Influence of Metal Cluster Size on Adsorption Energies: CO Adsorbed on Au Clusters Supported on TiO<sub>2</sub>
248
Citations
34
References
2004
Year
Bulk AuEngineeringAbsorption SpectroscopyChemistryAu ClustersMaterials ScienceCluster ScienceNanotechnologyInfrared SpectroscopyChemisorptionPhysical ChemistryMetal Cluster SizeAdsorptionAdsorption EnergiesReflection Absorption SpectroscopyNanomaterialsNatural SciencesSpectroscopySurface ScienceCluster Chemistry
Infrared reflection absorption spectroscopy (IRAS) has been used to study CO adsorption on Au clusters ranging in size from 1.8 to 3.1 nm, supported on TiO(2). The adsorbed CO vibrational frequency blue-shifts slightly (approximately 4 cm(-)(1)) compared to that adsorbed on bulk Au, whereas the heats of adsorption (-DeltaH(ads)) increase sharply with decreasing cluster size, from 12.5 to 18.3 kcal/mol.
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