Efeitos da rugosidade superficial nas propriedades de passivação de monocamadas orgânicas automontadas
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Undergraduate course
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Sociedade Brasileira de Química
GN1 Sistemas e Publicacoes
GN1 Sistemas e Publicacoes
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Article
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Acesso aberto
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Abstract
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.
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Language
Portuguese
Citation
Química Nova. Sociedade Brasileira de Química, v. 37, n. 9, p. 1533-1537, 2014.
