Characterization of thiol-functionalised silica films deposited on electrode surfaces

AUTOR(ES)

Cesarino, Ivana, Cavalheiro, Éder Tadeu Gomes

FONTE

Materials Research

DATA DE PUBLICAÇÃO

2008-12

RESUMO

Thiol-functionalised silica films were deposited on various electrode surfaces (gold, platinum, glassy carbon) by spin-coating sol-gel mixtures in the presence of a surfactant template. Film formation occurred by evaporation induced self-assembly (EISA) involving the hydrolysis and (co)condensation of silane and organosilane precursors on the electrode surface. The characterization of such material was performed by IR spectroscopy, thermogravimetry (TG), elemental analysis (EA), atomic force microscopy (AFM), scanning electron microscopy (SEM) and cyclic voltammetry (CV).

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