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Título: | Carbon-rich monolayers on ITO as highly sensitive platforms for detecting polycyclic aromatic hydrocarbons in water: The case of pyrene |
Autor: | Muñoz Martín, José M.; Crivillers, Núria CSIC ORCID; Mas Torrent, Marta CSIC ORCID | Palabras clave: | Self-assembled monolayer Sensor Electrochemical impedance spectroscopy Supramolecular chemistry Molecular switching |
Fecha de publicación: | 7-sep-2017 | Editor: | Wiley-VCH | Citación: | Chemistry - a European Journal: 10.1002/chem.201703264 (2017) | Resumen: | The determination of polycyclic aromatic hydrocarbons (PAHs) in water at low levels is a current challenge given their great impact on the health and safety of the public. Here, a novel pyrene-based self-assembled monolayer (SAM) platform is exploited as PAH sensing recognition device. Interestingly, the formation of π-π sandwich complexes between PAHs and the recognition element switches the surface electron transfer capability. The unique supramolecular interaction between identical aromatic molecules provides a highly sensitive and selective sensor for pyrene in the order of part per trillion. Accordingly, and using pyrene as a proof-of-concept, this work presents the basis for an 'at-point-of-use' impedimetric sensor focused on a highly sensitive carbon-based SAM for PAHs determination in water at ultra-trace levels. | Versión del editor: | http://dx.doi.org/10.1002/chem.201703264 | URI: | http://hdl.handle.net/10261/155496 | DOI: | 10.1002/chem.201703264 | E-ISSN: | 1521-3765 |
Aparece en las colecciones: | (ICMAB) Artículos |
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Munoz_ChemEurJ_2017_postprint.pdf | 344,01 kB | Adobe PDF | Visualizar/Abrir |
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