Formation and Annealing Effect of Tolanethioacetate Self - Assembled Monolayers on Au ( 111 )
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Direct observation of sulfur dimers in alkanethiol self-assembled monolayers on Au„111..
High-resolution electron-energy-loss spectra of octadecanethiol self-assembled monolayers ~SAM’s! on Au thin films have been obtained after annealing the sample to various temperatures. Annealing to 375 K results in the appearance of the S-S stretch at 530 cm, a direct observation of sulfur dimers for alkanethiol SAM’s adsorbed on Au. The appearance of dimers following annealing is explained by...
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