State-selective study of photodesorption at modified metal surfaces

Katsuyuki Fukutani; M.-B. Song; Y. Murata

doi:10.1117/12.307132

30 April 1998 State-selective study of photodesorption at modified metal surfaces

Katsuyuki Fukutani, M.-B. Song, Y. Murata

Proceedings Volume 3272, Laser Techniques for Surface Science III; (1998) https://doi.org/10.1117/12.307132
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Photon stimulated desorption of NO molecules at modified Pt(111) surfaces are investigated by reflection-absorption infrared spectroscopy (RAIRS) and resonance-enhanced multiphoton ionization (REMPI). The initial adsorption state of NO is probed by RAIRS and the final-state distribution is measured by REMPI. Coadsorption with N, O, and Ge atoms on Pt(111) appreciably influences the initial adsorption state of NO and the final-state distribution of photodesorbed NO. The rotational temperatures are substantially lowered by coadsorption with O and N atoms. Effects of initial geometric and electronic states on the desorption dynamics are discussed.

Citation Download Citation

Katsuyuki Fukutani, M.-B. Song, and Y. Murata "State-selective study of photodesorption at modified metal surfaces", Proc. SPIE 3272, Laser Techniques for Surface Science III, (30 April 1998); https://doi.org/10.1117/12.307132

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