Acetone Gas Sensor Based on Spinel-Structured Hollow Sea Urchin-like Core–Shell ZnO/ZnFe2O4 Spheres
Source abstract
Abstract
In this work, unique hollow sea urchin-like core–shell structured ZnO/ZnFe 2 O 4 microspheres are synthesized by doping ZnO. Their effects on acetone gas are studied. The gas-sensitive materials are characterized by SEM, EDS, and XRD. The test results show that the sensor of ZnO-doped ZnFe 2 O 4 exhibits excellent performance in detecting acetone gas. Among the four sensors, the ZnO/ZnFe 2 O 4 -6 sensor exhibits the best response to 100 ppm acetone gas at the optimal operating temperature of 250 °C, with a value of 94, which is four times higher than that of pure ZnFe 2 O 4 sensors. In addition, ZnO modification reduces the sensor’s detection range for acetone to 50 ppb and greatly enhances its selectivity. Finally, we analyze the heterojunction structure of the composite material and its unique hollow core–shell structure, comprehensively studying the working principle and sensitization mechanism of the acetone gas sensor based on ZnO/ZnFe 2 O 4 .
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Analytical Chemistry and Sensors · Advanced Chemical Sensor Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao 066004, China
National Frontiers Science Center for Industrial Intelligence and Systems Optimization, Northeastern University, Shenyang 110819, China
Key Laboratory of Data Analytics and Optimization for Smart Industry (Northeastern University), Ministry of Education, Shenyang 110819, China
Funding
Natural Science Foundation of Hebei Province · Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · Higher Education Discipline Innovation Project
References (48)
Show source-provided references
1. 10.1016/j.cej.2021.13428010.1016/j.cej.2021.134280 ↗
2. 10.1016/j.cej.2019.03.25410.1016/j.cej.2019.03.254 ↗
3. 10.1016/j.apsusc.2018.06.15510.1016/j.apsusc.2018.06.155 ↗
4. 10.1016/j.cplett.2011.06.04510.1016/j.cplett.2011.06.045 ↗
5. 10.1016/j.apsusc.2021.15133710.1016/j.apsusc.2021.151337 ↗
6. 10.1016/j.snb.2021.13122110.1016/j.snb.2021.131221 ↗
7. 10.1016/j.snb.2019.12716510.1016/j.snb.2019.127165 ↗
8. 10.1002/adfm.20120272910.1002/adfm.201202729 ↗
9. 10.1016/j.apsusc.2020.14533510.1016/j.apsusc.2020.145335 ↗
10. 10.1016/S0925-4005(99)00033-710.1016/S0925-4005(99)00033-7 ↗
11. 10.1016/j.snb.2006.02.03410.1016/j.snb.2006.02.034 ↗
12. 10.1016/j.snb.2020.12772910.1016/j.snb.2020.127729 ↗
13. 10.1016/j.matlet.2016.07.09910.1016/j.matlet.2016.07.099 ↗
14. 10.1016/j.snb.2018.03.10810.1016/j.snb.2018.03.108 ↗
15. 10.1016/j.snb.2020.12820510.1016/j.snb.2020.128205 ↗
16. 10.1016/j.snb.2021.13025110.1016/j.snb.2021.130251 ↗
17. 10.1016/j.snb.2019.05.07310.1016/j.snb.2019.05.073 ↗
18. 10.1021/acsami.0c0052510.1021/acsami.0c00525 ↗
19. 10.1016/j.snb.2019.01.04910.1016/j.snb.2019.01.049 ↗
20. 10.1109/JSEN.2018.287989510.1109/JSEN.2018.2879895 ↗
21. 10.1016/j.apsusc.2014.09.10810.1016/j.apsusc.2014.09.108 ↗
22. 10.1109/JSEN.2020.300847010.1109/JSEN.2020.3008470 ↗
23. 10.1016/j.snb.2022.13178910.1016/j.snb.2022.131789 ↗
24. 10.1016/j.snb.2009.04.02610.1016/j.snb.2009.04.026 ↗
25. 10.1016/j.snb.2017.04.11410.1016/j.snb.2017.04.114 ↗
26. 10.1021/acssensors.5b0012310.1021/acssensors.5b00123 ↗
27. 10.1039/C5CE00279F10.1039/C5CE00279F ↗
28. 10.1109/JSEN.2022.321572410.1109/JSEN.2022.3215724 ↗
29. 10.1039/C7RA04437B10.1039/C7RA04437B ↗
30. 10.1039/B920266H10.1039/B920266H ↗
31. 10.1016/j.cclet.2017.09.01810.1016/j.cclet.2017.09.018 ↗
32. 10.1109/JSEN.2022.318830910.1109/JSEN.2022.3188309 ↗
33. 10.1016/j.jallcom.2015.11.04610.1016/j.jallcom.2015.11.046 ↗
34. 10.1016/j.snb.2019.12675510.1016/j.snb.2019.126755 ↗
35. 10.1016/j.snb.2016.08.14610.1016/j.snb.2016.08.146 ↗
36. 10.3762/bjnano.10.24210.3762/bjnano.10.242 ↗
37. 10.1016/j.snb.2019.12676910.1016/j.snb.2019.126769 ↗
38. 10.1016/j.apsusc.2020.14855510.1016/j.apsusc.2020.148555 ↗
39. 10.1016/j.ceramint.2019.11.04910.1016/j.ceramint.2019.11.049 ↗
40. 10.1016/j.snb.2011.09.07510.1016/j.snb.2011.09.075 ↗
41. 10.1021/acsami.6b1300610.1021/acsami.6b13006 ↗
42. 10.1016/j.snb.2012.03.01210.1016/j.snb.2012.03.012 ↗
43. 10.1039/C3TA13707D10.1039/C3TA13707D ↗
44. 10.1109/JSEN.2020.299778810.1109/JSEN.2020.2997788 ↗
45. 10.1016/j.apsusc.2021.15112110.1016/j.apsusc.2021.151121 ↗
46. 10.1016/j.snb.2013.12.07810.1016/j.snb.2013.12.078 ↗
47. 10.1016/j.cej.2022.13609410.1016/j.cej.2022.136094 ↗
48. 10.1016/j.apcatb.2015.11.03510.1016/j.apcatb.2015.11.035 ↗