Solution-processed metal doping of sub-3 nm SnO<sub>2</sub> quantum wires for enhanced H<sub>2</sub>S sensing at low temperature
Jia Yan, Xuyun Guo, Ye Zhu, Zhilong Song, Lawrence Yoon Suk Lee
Abstract
Sub-3 nm metal-doped SnO 2 quantum wires (QWs) were synthesized using a solution process. The sensor film prepared using W-doped SnO 2 QWs at room temperature achieves enhanced low-temperature H 2 S-sensing with a record limit of detection of 0.48 ppb.
Topics & Concepts
DopingMaterials scienceMetalDetection limitOptoelectronicsAnalytical Chemistry (journal)Quantum limitQuantumChemistryMetallurgyPhysicsChromatographyQuantum mechanicsGas Sensing Nanomaterials and Sensors2D Materials and ApplicationsZnO doping and properties