Ultrasensitive detection of crystal violet using a molybdenum sulfide–silver nanostructure-based sensing platform: roles of the adsorbing semiconductor in SERS signal enhancement
Minh Khanh Pham, Dao Thi Nguyet Nga, Mai Quan Doan, Van Manh Tien, Nguyen Quang Hoa, Vũ Đình Lãm, Ha Anh Nguyen, Anh-Tuan Le
Abstract
Molybdenum sulfide–silver (MoS 2 /Ag) nanocomposites were synthesized via a single step of ultrasonication and employed as surface-enhanced Raman scattering (SERS) substrates for crystal violet (CV) detection at concentrations down to 1.17 × 10 −11 M.
Topics & Concepts
Crystal violetSubstrate (aquarium)Silver nanoparticleRaman scatteringAdsorptionDetection limitMaterials scienceNanocompositeMoleculeNanotechnologyRaman spectroscopyChemical engineeringChemistryNanoparticleOrganic chemistryChromatographyEngineeringOpticsPhysicsPathologyGeologyMedicineOceanographyGold and Silver Nanoparticles Synthesis and ApplicationsAdvanced Nanomaterials in CatalysisNanocluster Synthesis and Applications