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Materials Analysis and Device Integration of Carbon Nanotubes and Rare-Earth Orthoferrites for Hazardous Gas Sensing Applications

Title
Materials Analysis and Device Integration of Carbon Nanotubes and Rare-Earth Orthoferrites for Hazardous Gas Sensing Applications
Authors
Kyungtaek Lee
DGIST Authors
Kyungtaek Lee; Hoe Joon KimSangyoon Han
Advisor(s)
김회준
Co-Advisor(s)
Sangyoon Han
Issue Date
2022
Available Date
2022-03-08
Degree Date
2022/02
Type
Thesis
Keywords
Hazardous Gas Sensing, Perovskite Gas Sensor, Metal Oxide Gas Sensor, Carbon Nanotubes (CNTs) Gas Sensor, Device Integration
Description
Hazardous Gas Sensing, Perovskite Gas Sensor, Metal Oxide Gas Sensor, Carbon Nanotubes (CNTs) Gas Sensor, Device Integration
Table Of Contents
Ⅰ. Introduction 1 Ⅱ. Perovskite-type LaFeO3 Gas Sensor 5 2.1 Introduction 5 2.2 Processing of the LaFeO3 Ceramics 8 2.3 Results and Discussion 11 2.4 Conclusion 25 Ⅲ. Perovskite-type GdFeO3, GdFeO3 Doped with Co Gas Sensor 26 3.1 Introduction 26 3.2 Processing of the GdFeO3 and Co-Doped GdFeO3 29 3.3 Results and Discussion 31 3.4 Conclusion 46 Ⅳ. Sintering Temperature Effect of SnO2 Gas Sensor 47 4.1 Introduction 47 4.2 Processing of the SnO2 Ceramics 49 4.3 Results and Discussion 50 4.4 Conclusion 61 Ⅴ. Structure Performance Effect of ZnO 63 5.1 Introduction 63 5.2 Processing of the ZnO Ceramics 65 5.3 Results and Discussion 66 5.4 Processing of the ZnO on IDE 69 5.5 Results and Discussion 70 5.6 Conclusion 72 Ⅵ. Carbon Nanotubes Gas Sensor Integrated Pt Microheater 73 6.1 Introduction 73 6.2 Processing of the CNTs on Microheater 77 6.3 Results and Discussion 78 6.4 Conclusion 87 Ⅶ. Conclusion 89 7.1 Material Outlook and Future Prospects 89 7.2 Summary 94 7.3 Future Gas Sensor 95 References 97 요약문 109 Appendix A: CNT Gas Sensor Fabrication Process 111 Appendix B: Perovskite Synthesis of Pellet Type 115 Appendix C: Gas Probe Station Operation 116
URI
http://dgist.dcollection.net/common/orgView/200000593648
http://hdl.handle.net/20.500.11750/16302
DOI
10.22677/thesis.200000593648
Degree
Doctor
Department
Robotics Engineering
University
DGIST
Related Researcher
  • Author Kim, Hoe Joon Nano Materials and Devices Lab
  • Research Interests MEMS/NEMS; Micro/Nano Sensors; Piezoelectric Devices; Nanomaterials; Heat Transfer; Atomic Force Microscope
Files:
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Collection:
Department of Robotics and Mechatronics EngineeringThesesPh.D.


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