Hernandez, PT;
Kuznetsov, M;
Morozov, IG;
Parkin, IP;
(2019)
Application of levitation jet synthesized nickel-based nanoparticles for gas sensing.
Materials Science and Engineering: B
, 244
pp. 81-92.
10.1016/j.mseb.2019.05.003.
Preview |
Text
Tarttelin_Materials Science Eng 2019.pdf - Accepted Version Download (2MB) | Preview |
Abstract
The gas sensing properties of nickel ferrite (NiFe2O4) and nickel oxide (NiO) nanoparticles prepared by a levitation-jet synthesis (LJS) method are reported. These have been compared to the gas sensing properties of a NiO sensor, prepared using a commercially-sourced powder. The microstructure, surface area, particle size and morphology varied widely across the sensors fabricated. Gases included ethanol, acetone, carbon monoxide, toluene and nitrogen dioxide and the gas response of the sensors was investigated at different operating temperatures. The NiFe2O4 sensor presented most promise as a gas sensor, with outstanding sensor sensitivity towards ppb concentrations of NO2. This sensor was also remarkably sensitive to ethanol and, to a greater or lesser degree, towards acetone and toluene gases. In general, sensors were poorly responsive to the carbon monoxide concentrations tested. This study is one of the first reports of using LJS-based powders for gas sensing applications for the detection of environmentally-relevant gases.
| Type: | Article |
|---|---|
| Title: | Application of levitation jet synthesized nickel-based nanoparticles for gas sensing |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.mseb.2019.05.003 |
| Publisher version: | https://doi.org/10.1016/j.mseb.2019.05.003 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Science & Technology, Technology, Physical Sciences, Materials Science, Multidisciplinary, Physics, Condensed Matter, Materials Science, Physics, Nickel oxide, Nickel ferrite, Nanoparticles, Gas-sensing properties, Detection, Environmental monitoring, OPTICAL-PROPERTIES, NIO NANOPARTICLES, PETROLEUM GAS, METAL, FERRITE, SENSORS, TEMPERATURE, NIFE2O4, SIZE, NANOSTRUCTURES |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10085426 |
Archive Staff Only
 |
View Item |
