Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83814
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dc.contributor.authorMayorga-Martinez, Carmen C.en
dc.contributor.authorSofer, Zdeněken
dc.contributor.authorPumera, Martinen
dc.date.accessioned2016-09-16T04:47:00Zen
dc.date.accessioned2019-12-06T15:32:36Z-
dc.date.available2016-09-16T04:47:00Zen
dc.date.available2019-12-06T15:32:36Z-
dc.date.issued2015en
dc.identifier.citationMayorga-Martinez, C. C., Sofer, Z., & Pumera, M. (2015). Layered Black Phosphorus as a Selective Vapor Sensor. Angewandte Chemie International Edition, 54(48), 14317-14320.en
dc.identifier.issn1433-7851en
dc.identifier.urihttps://hdl.handle.net/10356/83814-
dc.description.abstractBlack phosphorus is a layered material that is sensitive to the surrounding atmosphere. This is generally considered as a disadvantage, especially when compared to more stable layered compounds, such as graphite or MoS2. This sensitivity is now turned into an advantage. A vapor sensor that is based on layered black phosphorus and uses electrochemical impedance spectroscopy as the detection method is presented; the device selectively detects methanol vapor. The impedance phase measured at a constant frequency is used as a distinctive parameter for the selective quantification of methanol, and increases with the methanol concentration. The low detection limit of 28 ppm is well below the approved exposure limit of 200 ppm. The results are highly reproducible, and the vapor sensor is shown to be very selective in the presence of other vapors and to have long-term stability.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent4 p.en
dc.language.isoenen
dc.relation.ispartofseriesAngewandte Chemie International Editionen
dc.rights© 2015 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution Non-Commercial NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.en
dc.subjectblack phosphorusen
dc.subjectmethanolen
dc.titleLayered Black Phosphorus as a Selective Vapor Sensoren
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.identifier.doi10.1002/anie.201505015en
dc.description.versionPublished versionen
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