Plasmonic MOF Thin Films with Raman Internal Standard for Fast and Ultrasensitive SERS Detection of Chemical Warfare Agents in Ambient Air
Marta Lafuente, Sarah De Marchi, Miguel Urbiztondo, Isabel Pastoriza‐Santos, Ignacio Pérez‐Juste, Jesús Santamarı́a, Reyes Mallada, M.P. Pina
Abstract
, with response times of 21 and 54 s, respectively. This proof of concept opens the door for handheld SERS-based gas sensing at ultralow concentrations in practical applications, such as homeland security, critical infrastructure protection, chemical process monitoring, or personalized medicine.
Topics & Concepts
Dimethyl methylphosphonateRaman spectroscopyDetection limitMaterials sciencePlasmonNanotechnologyRaman scatteringAdsorptionThin filmNanorodMoleculeSurface-enhanced Raman spectroscopySulfideChemical engineeringChemistryInorganic chemistryOrganic chemistryChromatographyOptoelectronicsOpticsMetallurgyPhysicsEngineeringGold and Silver Nanoparticles Synthesis and ApplicationsAdvanced Nanomaterials in CatalysisGas Sensing Nanomaterials and Sensors