| Autor: |
Karolina Sipa, Konrad Rudnicki, Neus Vilà, Grégoire Herzog, Sławomira Skrzypek, Lukasz Poltorak, Alain Walcarius |
| Jazyk: |
angličtina |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Electrochemistry Communications, Vol 132, Iss , Pp 107142- (2021) |
| Druh dokumentu: |
article |
| ISSN: |
1388-2481 |
| DOI: |
10.1016/j.elecom.2021.107142 |
| Popis: |
Simple modification techniques affecting surface properties in a switchable manner are key to the development of smart materials. Layer-by-layer assembly of oppositely charged polyelectrolytes (poly(diallyldimethylammonium chloride) and (poly(styrene sulfonate)) over an electrode modified with a mesoporous silica thin film makes a platform with alternating amplification and sieving electrochemical properties defined by the terminating polyelectrolyte layer. The mesoporous silica thin films were formed via sol–gel processing in the presence of a soft template (Electrochemically Assisted Self-Assembly). The electrochemical properties of the designed platforms were studied in the presence of positively charged (Ru(NH3)63+), neutral (FcMeOH), and negatively charged (Fe(CN)64-) redox probes. Additionally, we provide proof-of-concept studies in which our platforms are applied to the electroanalytical screening of ascorbic acid and dopamine. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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Full Text from ScienceDirect