One-step fabrication of SnO2 porous nanofiber gas sensors for sub-ppm H2S detection

• Published in: Sensors and actuators. A. Physical. Vol. 303; p. 111722
• Main Authors: Phuoc, Phan Hong, Hung, Chu Manh, Van Toan, Nguyen, Van Duy, Nguyen, Hoa, Nguyen Duc, Van Hieu, Nguyen
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 01.03.2020; Elsevier BV
• Subjects: Crystal dislocations; Crystal structure; Crystallites; Crystallization; Depletion; Diffraction; Dislocation density; Electron microscopy; Electrospinning; Emission analysis; Field emission microscopy; Gas sensor; Gas sensors; Gases; Grain boundaries; H2S; Heat treatment; Hydrogen sulfide; Low temperature; Nanofibers; On-chip fabrication; Porous materials; Porous nanofiber; Selectivity; Sensors; SnO2; Tin dioxide; Transmission electron microscopy; H2S; SnO2; Gas sensor; On-chip fabrication; Porous nanofiber

SnO2 NF sensors were fabricated on-chip using the electrospinning method as illustrate in the inset. Dynamic responses of the SnO2 NF sensors at 350 °C to various gases indicate a high sensitivity of the fabricated sensor to H2S gas with a good selectivty. [Display omitted] •One-step fabrication of...