Development of Titanium-Organic Materials as Porous Photocatalysts
- Title
- Development of Titanium-Organic Materials as Porous Photocatalysts
- Alternative Title
- 티타늄-유기 물질을 기반으로 한 다공성 광촉매 개발
- Author(s)
- Yesub Keum
- DGIST Authors
- Yesub Keum ; Jinhee Park ; Nak Cheon Jeong
- Advisor
- 박진희
- Co-Advisor(s)
- Nak Cheon Jeong
- Issued Date
- 2022
- Awarded Date
- 2022/02
- Type
- Thesis
- Description
- "Titanium-based metal-organic frameworks", "Titanium-based metal-organic aerogels", "Ti-oxo clusters", "Hierarchical porosity", "Photocatalysis", "Reactive oxygen species"
- Table Of Contents
-
Ⅰ. Introduction 1
1.1 Photosensitized Photocatalytic Systems of TiO2 1
1.2 Reactive oxygen species (ROS) 4
1.3 Metal-Organic Frameworks 8
1.4 Metal-Organic Aerogels 11
Ⅱ. Titanium Carboxylate Metal-Organic Framework Based on an Unprecedented Ti-Oxo Chain Cluster 13
2.1 Introduction 13
2.2 Experimental Section 16
2.2.1 Materials 16
2.2.2 Measurements 16
2.2.3 Syntheses 18
2.2.3.1 Synthesis of TCPP 18
2.2.3.2 Synthesis of Ti-oxo clusters 21
2.2.3.3 Synthesis of DGIST-1 21
2.2.4 Single Crystal X-Ray Crystallography 22
2.2.5 Study of ROS Generation 25
2.2.6 Study of Alcohol Oxidation 27
2.3 Results and Discussion 28
2.3.1 Design and Crystal Structure of Ti6O6(OiPr)6(t-BA)6 28
2.3.2 Design and Crystal Structure of DGIST-1 30
2.3.3 Structural Stability Test of DGIST-1 33
2.3.4 Gas Sorption Analysis of DGIST-1 35
2.3.5 Band Gap Energy Analysis of Ti6O6(OiPr)6(t-BA)6 and DGIST-1 38
2.3.6 Study of ROS Generation 40
2.3.7 Study of Benzyl Alcohol Photocatalytic Oxidation 44
2.4 Conclusion 49
Ⅲ. Synthesis and Photocatalytic Properties of Titanium-Porphyrinic Aerogels 50
3.1 Introduction 50
3.2 Experimental Section 53
3.2.1 Materials 53
3.2.2 Measurements 53
3.2.3 Syntheses 55
3.2.3.1 Synthesis of TCPP 55
3.2.3.2 Synthesis of Ti-oxo clusters 55
3.2.3.3 Synthesis of TPGs, TPAs, and a TPX 55
3.2.4 Dye Adsorption of the TPAs 57
3.2.5 Study of ROS Generation 59
3.2.6 Study of Benzyl Amine Photo-Oxidative Coupling Reaction 60
3.3 Results and Discussion 61
3.3.1 Optimization of TPG Syntheses 61
3.3.2 Hierarchical porous structures of TPAs 69
3.3.3 Dye Adsorption of TPAs 71
3.3.4 Band Gap Energy Analysis of TPA 77
3.3.5 Study of ROS Generation 79
3.3.6 Study of Benzyl Amine Photo-Oxidative Coupling Reaction 84
3.4 Conclusion 95
Ⅳ. Synthesis of Heterometallic Titanium, Calcium-Organic Framework 96
4.1 Introduction 96
4.2 Experimental Section 98
4.2.1 Materials 98
4.2.2 Measurements 98
4.2.3 Synthesis of pbpta 99
4.2.4 Synthesis of TiCa-pbpta 101
4.3 Results and Discussion 102
4.3.1 Design and Crystal Structure of TiCa-pbpta 102
4.3.2 Structural Stability Test of TiCa-pbpta 106
4.3.3 Gas Sorption Analysis of TiCa-pbpta 108
4.3.4 Band Gap Energy Analysis of TiCa-pbpta 109
4.4 Conclusion 110
Ⅴ. Conclusion 111
References 113
Summary (국문 요약) 128
- URI
-
http://dgist.dcollection.net/common/orgView/200000594504
http://hdl.handle.net/20.500.11750/16272
- Degree
- Doctor
- Department
- Emerging Materials Science
- Publisher
- DGIST
- Related Researcher
-
-
Park, Jinhee
- Research Interests Organic-Inorganic Hybrid Materials; Metal-Organic Polyheda;Metal-Organic Frameworks; Porous Polymer Networks
-
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-
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- Appears in Collections:
- Department of Physics and Chemistry Theses Ph.D.
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