NMR STUDIES OF STRUCTURE AND DYNAMICS OF PHYSICALLY ADSORBED LAYERS ON UNIFORM SOLID SURFACES | Zendy

B. Boddenberg | Zendy; Juana Moreno | Zendy

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NMR STUDIES OF STRUCTURE AND DYNAMICS OF PHYSICALLY ADSORBED LAYERS ON UNIFORM SOLID SURFACES

Author(s) -

B. Boddenberg,

Juana Moreno

Publication year - 1977

Publication title -

le journal de physique colloques

Language(s) - English

Resource type - Journals

eISSN - 2777-3418

pISSN - 0449-1947

DOI - 10.1051/jphyscol:1977408

Subject(s) - dynamics (music) , adsorption , solid surface , chemical physics , materials science , crystallography , chemistry , physics , acoustics

From proton spin lattice relaxation time measurements a model for the structure and microdynamics of a benzene monolayer on graphitized carbon black is developed. The essential results are that at temperatures below - 150 °C benzene molecules are absorbed at definite sites of the graphite (0001) planes in ordered structure of hexagonal symmetry with the molecular planes oriented perpendicularly to the surface. The molecules perform reorientational jumps about diad molecular symmetry axes at a rate of 2.3 x 1013 exp(- 1 060/T) s-1

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