Multilayer porous Pd-doped SnO2 thin film: Preparation and H2 sensing performance
Source abstract
Abstract
Abstract Porous pure and Pd-doped SnO2 films are prepared using sol-gel synthesis with polystyrene (PS) microspheres as the template. Different characterizations are performed to analyze the microstructure and morphology of the films. The sensing performance of the films at various temperatures and hydrogen concentrations is investigated. Results show that high concentration of PS template significantly influences the continuity of films and the H2 sensing performance. The porous SnO2 film with 0.1 wt% PS microspheres exhibits the best performance. At 225 °C, the response magnitude of the porous 1 mol% Pd-doped SnO2 thin film to 1000 ppm H2 is 93.18, which is approximately 10.58 times of the pure sample.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Transition Metal Oxide Nanomaterials · ZnO doping and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (32)
Show source-provided references
1. A technical and environmental comparison between hydrogen and some fossil fuels10.1016/j.enconman.2014.09.057 ↗
2. Resistive-type hydrogen gas sensor based on TiO2: a review10.1016/j.ijhydene.2018.09.051 ↗
3. Design and optimization of the optical fiber surface plasmon resonance hydrogen sensor based on wavelength modulation10.1016/j.optcom.2013.01.054 ↗
4. Identifying performance gaps in hydrogen safety sensor technology for automotive and stationary applications10.1016/j.ijhydene.2009.10.064 ↗
5. Low-temperature prototype hydrogen sensors using Pd-decorated SnO2 nanowires for exhaled breath applications10.1016/j.snb.2017.06.141 ↗
6. SnO2 nanorods and hollow spheres: controlled synthesis and gas sensing properties10.1016/j.snb.2009.01.011 ↗
7. Development of a selective hydrogen leak sensor based on chemically doped SnO2 for automotive applications10.1016/j.ijhydene.2017.03.027 ↗
8. Characterisation of nanostructured SnO2 thin films synthesised by magnetron sputtering and application in a carbon monoxide gas sensor10.3184/174751916X14656576466887 ↗
9. Gas-sensing properties of nanostructured CeO2-xZrO2 thin films obtained by the sol-gel method10.1016/j.jallcom.2018.09.274 ↗
10. Gas sensitivity of sol-gel prepared mesoporous WO3 thin film10.1016/j.proeng.2016.11.197 ↗
11. Preparation of SnO2 thin films at low temperatures with H2 gas by the hot-wire CVD method10.1016/j.tsf.2011.01.309 ↗
12. Ultra-sensitive H2 sensors based on flame-spray-made Pd-loaded SnO2 sensing films10.1016/j.snb.2012.10.087 ↗
13. Pd-doped TiO2 film sensors prepared by premixed stagnation flames for CO and NH3 gas sensing10.1016/j.snb.2018.01.173 ↗
14. New insight into the gas sensing performance of SnO2 Nanorod-assembled urchins based on their assembly density10.1016/j.ceramint.2016.10.001 ↗
15. NO sensing by single crystalline WO3 nanowires10.1016/j.snb.2015.05.036 ↗
16. A novel hydrogen peroxide sensor based on Ag/SnO2 composite nanotubes by electrospinning10.1016/j.electacta.2013.03.063 ↗
17. A novel porous NiO nanosheet and its H2 sensing performance10.1016/j.matlet.2019.03.013 ↗
18. Hydrothermal synthesis of self-assembled hierarchical tungsten oxides hollow spheres and their gas sensing properties10.1021/am508121p ↗
19. Fabrication and gas sensing properties of Au-loaded SnO2 composite nanoparticles for low concentration hydrogen10.1016/j.jallcom.2017.08.122 ↗
20. Pt nanoparticles sensitized ordered mesoporous WO3 semiconductor: gas sensing performance and mechanism study
21. Preparation of palladium-doped mesoporous WO3 for hydrogen gas sensors10.1016/j.jallcom.2018.10.372 ↗
22. Investigation of the hydrogen response characteristics for sol–gel-derived Pd-doped, Fe-doped and PEG-added SnO2 nano-thin films10.1016/j.snb.2012.12.101 ↗
23. Methane gas sensing properties of Pd-doped SnO2/reduced graphene oxide synthesized by a facile hydrothermal route10.1016/j.materresbull.2017.01.032 ↗
24. Sol-gel grown aluminum/gallium co-doped ZnO nanostructures: hydrogen gas sensing attributes10.1016/j.mssp.2018.01.011 ↗
25. Optimizing the gas sensing characteristics of Co-doped SnO2 thin film based hydrogen sensor10.1016/j.jallcom.2019.01.244 ↗
26. Nanostructured tungsten oxide - properties, synthesis, and applications10.1002/adfm.201002477 ↗
27. Construction of novel Pd-SnO2 composite nanoporous structure as a high-response sensor for methane gas10.1016/j.jallcom.2020.154063 ↗
28. Preparation of Pd/PdO loaded WO3 microspheres for H2S detection
29. Hydrogen sensors based on noble metal doped metal-oxide semiconductor: a review10.1016/j.ijhydene.2017.06.066 ↗
30. Enhanced hydrogen sensing properties of Pd-coated SnO2 nanorod arrays in nitrogen and transformer oil10.1016/j.snb.2018.12.063 ↗
31. Preparation of Ag-loaded mesoporous WO3 and its enhanced NO2 sensing performance10.1016/j.snb.2015.11.065 ↗
32. Au-loaded mesoporous WO3: preparation and n-butanol sensing performances10.1016/j.snb.2016.05.097 ↗