Metal‒Organic Materials for Environmental Applications
- Title
- Metal‒Organic Materials for Environmental Applications
- Author(s)
- Kangwoo Jin
- DGIST Authors
- Kangwoo Jin ; Jinhee Park ; Seonki Hong
- Advisor
- 박진희
- Co-Advisor(s)
- Seonki Hong
- Issued Date
- 2024
- Awarded Date
- 2024-02-01
- Type
- Thesis
- Description
- Porous materials;Metal‒organic materials;Adsorption;Ion-exchange;Sensor
- Table Of Contents
-
List of Contents
Abstract · i
List of Contents · ii
List of Schemes vi
List of Figures · vi
List of Tables · xiv
List of Publications xvii
Chapter Ⅰ. Introduction 1
1.1 Adsorption and Ion-exchange · 1
1.2 Colorimetric Chemical Sensors 3
1.3 Metal‒Organic Frameworks · 5
1.4 Metal‒Organic Polyhedra · 7
Chapter Ⅱ. Rapid Cs+ Capture via Multiple Supramolecular Interactions in Anionic Metal–Organic Framework Isomers 9
2.1 Introduction 9
2.2 Experimental Section · 11
2.2.1 Materials · 11
2.2.2 Characterization 11
2.2.3 Syntheses 13
2.2.4 Single-crystal X-ray Diffractometry (SCXRD) Analysis 16
2.2.5 Mass Calibration of Adsorbents. 21
2.2.6 Theoretical Ion Exchange Capacity · 21
2.2.7 Cs+ Adsorption Kinetics Test for DGIST-2′⊃methanol in Methanolic Solutions 21
2.2.8 Cs+ Adsorption Kinetics Tests for DGIST-3-S, DGIST-3-M, and DGIST-3-L in Methanolic Solutions. 22
2.2.9 Cs+ Adsorption Kinetics Tests for DGIST-2′⊃water in Aqueous Solutions · 23
2.2.10. Cs+ Adsorption Isotherm Tests for DGIST-2′⊃methanol and DGIST-3-S in Methanolic Solutions 23
2.2.11. Cs+ Adsorption Isotherm Tests for DGIST-2′ in Aqueous Solutions 24
2.2.12. Cs+ Adsorption Selectivity Tests 25
2.3 Results and Discussion 26
2.3.1 Structures of DGIST-2 and DGIST-3 · 26
2.3.2 Structural Transformation and Stability · 28
2.3.3 Adsorption Kinetics Studies 33
2.3.4 Adsorption Isotherm Studies 34
2.3.5 Competing Cation Effects 51
2.3.6 Adsorption Mechanism Studies. · 53
2.4 Conclusion · 57
Chapter Ⅲ. Tailoring the Extrinsic Porosity of a Vapochromic Metal–Organic Polyhedron for Rapid VOC Detection 58
3.1 Introduction 58
3.2 Experimental Section · 61
3.2.1 Chemicals and Reagents · 61
3.2.2 Characterization 61
3.2.3 Syntheses 63
3.2.4 SCXRD Analysis 67
3.2.5 Preparation of DGIST-8 Aerogels 72
3.2.6 Preparation of DGIST-8 Nanocrystals 72
3.2.7 Preparation of DGIST-8 Thin Film · 72
3.2.8 Sensing Experiments 73
3.3 Results and Discussion 74
3.3.1 Synthesis and Characterization of Solvato- and Vapochromic DGIST-8 75
3.3.2 Preparation and Porosity Characterization of DGIST-8 Aerogels 78
3.3.3 Preparation and Porosity Characterization of DGIST-8 Amorphous Precipitates and Nanocrystals 84
3.3.4 Solvatochromism 87
3.3.5 Photoisomerization of DGIST-8 · 93
3.3.6 Thin Film Fabrication and Vapochromism of the DGIST-8 Aerogels 95
3.4 Conclusion 101
Chapter Ⅳ. Comprehensive Qualitative and Quantitative Colorimetric Sensing of Volatile Organic Compounds Using Monolayered Metal‒Organic Framework Films 102
4.1 Introduction 102
4.2 Experimental Section 104
4.2.1 Materials 104
4.2.2 Instrumentation · 105
4.2.3 Syntheses 106
4.2.4 SCXRD analysis 108
4.2.5 Fabrication of a MOF Film on a Glass Substrate 110
4.2.6 Reversible Color Changes: Alternate Exposure to Water and Acetonitrile 110
4.2.7 Smartphone-based Analysis System for a Monolayered MOF Film 110
4.2.8 Preparation of MOF Sensor Array 112
4.2.9 VOC Detection in Solvent Mixtures · 112
4.3 Results and Discussion · 113
4.3.1 Syntheses and Characterizations of a Solvatochromic MOF, DGIST-15 · 113
4.3.2 Monolayered DGIST-15 Film using a Liquid–Air Interfacial Self-Assembly ·· 118
4.3.3 Reversible Color Changes in DGIST-15 121
4.3.4 Vapor Concentration Quantifications using a Smartphone Camera 122
4.3.5 DGIST-15-based Sensor Array and Mixed Solvent Detection 130
4.4 Conclusion 136
Chapter V. Solvent-induced Porosity in a One-dimensional Coordination Polymer 137
5.1 Introduction 137
5.2 Experimental Section 138
5.2.1 Materials 138
5.2.2 Instrumentation · 138
5.2.3 Syntheses 141
5.2.4 SCXRD Analysis 142
5.3 Results and Discussion · 144
5.4 Conclusion 160
Chapter ⅤI. Conclusion 161
References 163
Summary (요약문) · 185
- URI
-
http://hdl.handle.net/20.500.11750/48045
http://dgist.dcollection.net/common/orgView/200000728041
- Degree
- Doctor
- Department
- Department of Physics and Chemistry
- 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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- Appears in Collections:
- Department of Physics and Chemistry Theses Ph.D.
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