The structure and tribological properties of fullerenes LB films

【摘要】 <正> The structure of pure C₆₀/stearic-acid LB films and phase transformation during dipping pro-cess have been studied by using UV,IR and TEM techniques.The tribological properties of C₆₀/C₇₀ LB filmsand C₆₀/C₇₀/behenic-acid LB films have been investigated.During compressing pure C₆₀/stearic-acid Langmuirfilms gradually transformed from amorphous to microcrystals.Compared with the spectra of pure C₆₀,newpeaks of the spectra of C₆₀/stearic-acid LB films are produced,and the absorbing band of —OH disappears.Due to the contribution of C₆₀ in the LB films to their wear resistance,their wear life is greatly increased.更多还原

【Abstract】 The structure of pure C₆₀/stearic-acid LB films and phase transformation during dipping pro- cess have been studied by using UV,IR and TEM techniques.The tribological properties of C₆₀/C₇₀ LB films and C₆₀/C₇₀/behenic-acid LB films have been investigated.During compressing pure C₆₀/stearic-acid Langmuir films gradually transformed from amorphous to microcrystals.Compared with the spectra of pure C₆₀,new peaks of the spectra of C₆₀/stearic-acid LB films are produced,and the absorbing band of —OH disappears. Due to the contribution of C₆₀ in the LB films to their wear resistance,their wear life is greatly increased.更多还原