Atomic step formation on porous ZnO nanobelts: remarkable promotion of acetone gas detection up to the parts per trillion level
Kyusung Kim, Pil Gyu Choi, Toshio Itoh, Yoshitake Masuda
Abstract
Atomic step structures on porous ZnO nanobelts provide coordinatively unsaturated sites that allow an outstanding sensitivity with a limit of detection (LOD) as low as 72 ppt.
Topics & Concepts
Detection limitPorosityAcetoneMaterials scienceNanotechnologyParts-per notationChemical engineeringSensitivity (control systems)ChemistryChromatographyOrganic chemistryComposite materialEngineeringElectronic engineeringGas Sensing Nanomaterials and SensorsCatalytic Processes in Materials ScienceZnO doping and properties