Efeitos da rugosidade superficial nas propriedades de passivação de monocamadas orgânicas automontadas

Química Nova

Tiago A. Benites²  Willian C. Ribeiro²  Márcio S. Góes¹  Antonio A. P. Ferreira²  Paulo R. Bueno² 

[1] ,Universidade Estadual Paulista Instituto de Química Departamento de Físico-QuímicaAraraquara SP ,Brasil

关键词: self-assembled monolayers (SAMs);    roughness;    cyclic voltammetry;   

DOI  :  10.5935/0100-4042.20140241

来源: SciELO

【 摘 要 】

Precise surface area is needed for accurate characterization of self-assembled monolayers (SAMs) on metallic surfaces. The aim of this manuscript was to emphasize that miscalculation of surface area is the major source of errors in SAM electrochemical characterization. Limitations are discussed and recommendations given for beginners in analyses of SAM functionalized electrodes. The electrochemical measurements and examples were based on bare gold electrode immobilized with dodecanethiol. The degree of compression of the monolayer properties of formation and reproducibility of the electrochemical response depends on roughness factor, with values closer to the unit being better.

【 授权许可】

CC BY-NC   
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