Synergistic Interface Engineering of Cocatalyst and Reduced 2D TiO2 for Efficient Photocatalytic CO2 to CH4 Conversion
- Title
- Synergistic Interface Engineering of Cocatalyst and Reduced 2D TiO2 for Efficient Photocatalytic CO2 to CH4 Conversion
- Alternative Title
- CO2에서 CH4으로의 효율적인 광화학적인 전환을 위한 조촉매와 환원된 2D TiO2의 시너지적 계면 공학
- Author(s)
- Kyu Seok Lee
- DGIST Authors
- Kyu Seok Lee ; Su-Il In ; Soonhyun Kim
- Advisor
- 인수일
- Co-Advisor(s)
- Soonhyun Kim
- Issued Date
- 2024
- Awarded Date
- 2024-08-01
- Type
- Thesis
- Description
- surface oxygen vacancy, ternary junction, CO2 photoreduction, morphology tuning, 2-dimensional TiO2, hydroxyl group
- Table Of Contents
-
1. Introduction 1
1.1. Research Background 1
1.2. Photocatalytic CO2 reduction 1
1.3. About this study 3
1.4. References 4
2. Characterization and analysis equipment 5
2.1. Characterization 5
2.1.1. High-resolution transmission electron microscopy (HR-TEM) 5
2.1.2. Brunauer-Emmett-Teller (BET) 6
2.1.3. X-ray diffraction (XRD) 7
2.1.4. Raman spectroscopy 9
2.1.5. Photoluminescence spectroscopy (PL) 10
2.1.6. UV-Visible spectroscopy (UV-VIS) 12
2.1.7. X-ray photoelectron spectroscopy (XPS) 14
2.1.8. Electron Paramagnetic Resonance (EPR) 16
2.1.9. Gas chromatograph (GC) 18
2.1.10. Fourier-transform infrared spectroscopy (FTIR) 19
2.2. References 20
3. Synergistic Interface Engineering of Cocatalyst and Reduced 2D - TiO2 for Efficient Photocatalytic CO2 to CH4 Conversion 22
3.1. Introduction 22
3.2. Experiment 23
3.2.1. Materials 23
3.2.2. Synthesis of 2D-RT 24
3.2.3. Synthesis of G/2D-RT 24
3.2.4. Synthesis of Cu/G/2D-RT 25
3.2.5. Characterization 26
3.2.6. Solar-light-driven catalytic CO2 reduction with H2O vapors 26
3.2.7. Apparent Quantum Yield (AQY) calculation 27
3.3. Results and discussion 28
3.4. Conclusions 45
3.5. References 46
4. Acknowledgement 50
5. 요 약 문 51
- URI
-
http://hdl.handle.net/20.500.11750/57628
http://dgist.dcollection.net/common/orgView/200000802421
- Degree
- Master
- Department
- Department of Energy Science and Engineering
- Publisher
- DGIST
- Related Researcher
-
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In, Su-Il
- Research Interests CO2 conversion to hydrocarbon fuels; Water splitting for hydrogen generation; Quantum dot devices; Dye sensitized solar cells; Environmental remediation; Synthesis of functional nanomaterials; CO2 연료전환; 수소생산을 위한 광전기화학적 물분해; 양자점 태양전지; 염료감응 태양전지; 공해물질 저감연구; 기능성 나노소재 개발
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- Files in This Item:
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- Appears in Collections:
- Department of Energy Science and Engineering Theses Master
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