1995
DOI: 10.1016/0956-5663(95)99217-9
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Analytical application of self assembled monolayers on gold electrodes: critical importance of surface pretreatment

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Cited by 49 publications
(47 citation statements)
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“…26 An essential requirement for high quality alkylthiolate monolayers is a clean Au substrate. 27 Clean Au substrates exposed to ambient conditions will quickly collect impurities from the environment and atmosphere that can impact SAM growth. 4,[28][29][30] These contaminants are thought to be hydrocarbon pollutants that can be cleaned off the Au substrates using strong oxidizing agents such as aqua regia solution, piranha solution, and ozone plasma.…”
Section: Introductionmentioning
confidence: 99%
“…26 An essential requirement for high quality alkylthiolate monolayers is a clean Au substrate. 27 Clean Au substrates exposed to ambient conditions will quickly collect impurities from the environment and atmosphere that can impact SAM growth. 4,[28][29][30] These contaminants are thought to be hydrocarbon pollutants that can be cleaned off the Au substrates using strong oxidizing agents such as aqua regia solution, piranha solution, and ozone plasma.…”
Section: Introductionmentioning
confidence: 99%
“…6 The formation of a monolayer on gold is strongly dependent on several factors such as surface cleanness, substrate structure, kind of adsorbate, nature of the adsorbate solvent, temperature, time of the monolayer preparation, concentration and, mainly, the chain length of the thiol used. 7 In that way, the determination of the influence of the chain length in the properties of the SAMs have been objective of intense researches, because the chain is important in the characteristics of the packing density, intermolecular environment, geometry of the monomolecular assemblies 8 and the kinetics of adsorption. 9 However, most of these properties is just studied for alkanes 2,[10][11][12] and only few reports have described the characterization of the alkanethiols with carboxylic group in the opposite extremity to the sulfur.…”
Section: Introductionmentioning
confidence: 99%
“…Esses dispositivos possuem uma base de policarbonato, sobre a qual é depositada uma fina camada de um polímero fotodegradável (ftalocianinas, cianinas ou azocompostos) que são alterados no processo de gravação. Sobre essa camada polimérica é depositada, por "sputtering", uma fina pe-lícula metálica (de ouro ou prata), a qual geralmente possui uma espessura de 50 a 100 nm e área total da ordem de 100 cm 2 . Essa última camada é protegida por um ou dois filmes poliméricos.…”
Section: Composição Dos Discos Compactos Graváveis (Cd-rs)unclassified
“…Uma das principais vantagens do eletrodo de mercúrio é a possibilidade da sua renovação através da troca da gota, principalmente em meios onde ocorre o envenenamento do eletrodo. Eletrodos sólidos não apresentam esta vantagem e para a renovação de sua superfície diferentes procedimentos de limpeza são descritos [2][3][4] . Uma condição intermediária pode ser alcançada com eletrodos descartáveis.…”
Section: Introductionunclassified