Extracoordination Bonds in Metal-Organic Frameworks and Their Interactions
- Title
-
Extracoordination Bonds in Metal-Organic
Frameworks and Their Interactions
- Author(s)
- EunJi Lee
- DGIST Authors
- Jeong, Nak Cheon ; Lee, EunJi ; Kim, Hyunmin
- Advisor
- 정낙천
- Co-Advisor(s)
- Hyunmin Kim
- Issued Date
- 2019
- Awarded Date
- 2019-08
- Type
- Thesis
- Description
- Metal-Organic Frameworks, Open-Metal-Sites, Activation, Chemical Equilibrum, NMR
- Table Of Contents
-
PART Ⅰ. Exploting Microwave Chemistry for Activation of Metal-Organic Frameworks 12
Ⅰ. INTRODUCTION 13
IⅠ. EXPERIMENTAL METHODS & MATERIALS 15
2.1. Methods for Activation of MOFs 15
2.2. Materials 15
2.3. Sample Preparation 16
2.3.1. Synthesis of HKUST-1 16
2.3.2. Preparation of EtOH-HK, MeOH-HK, MeCN-HK, and DMF-HK 16
2.3.3. Solvent Exchange of DMF-HK with MeOH (MeOH-DMF-HK) 16
2.3.4. Synthesis of UiO-66 17
2.3.5. Synthesis of MOF-74(Cu) 17
2.3.6. Synthesis of MOF-74(Co) 17
2.3.7. Synthesis of MOF-74(Mg) 18
2.3.8. Synthesis of MOF-74(Ni) 18
2.3.9. Microwave activation of HKUST-1, UiO-66, and MOF-74s 18
2.3.10. Instrumentation 19
IIⅠ. RESULTS & DISCUSSION 20
3.1. Mechanism of Microwave Activation 20
3.2. Observation of Microwave Activation of HKUST-1 22
3.2.1. Monitoring 1H-NMR 22
3.2.2. Dissipation factors of various solvents for Microwave Activation 25
3.2.3. Structural Integrity and Raman Spectroscopy 26
3.2.4. Changes in UV-vis and TGA Analysis 28
3.2.5. Effect of Dissipation Factor in Microwave Activation and Solvent-Assisted Microwave Activation 30
3.2.6. Adoptation of SAMA in UiO-66 and MOF-74 Series 32
3.2.7. Time-dependent Energy Efficiency 34
IV. CONCLUSIONS 35
V. SUMMARY (국문요약) 36
PART Ⅱ. Equilibrium of Extra Coordination Bonding 37
Ⅰ. INTRODUCTION 38
IⅠ. EXPERIMENTAL METHODS & MATERIALS 39
2.1. Materials 39
2.2. Sample Preparation 39
2.2.1. Synthesis of Powder HKUST-1 39
2.2.2. Synthesis of Single HKUST- 139
2.2.3. Thermal activated HKUST-1 40
2.2.4. Preparation of MeOH, EtOH, DMF-coordinated HKUST-1 40
2.2.5. Equilibrium Process 40
2.2.6. Instrumentation 40
IIⅠ. RESULTS & DISCUSSION 41
3.1. Direct Observation of Chemical Equilibrium 41
3.2. Temperature Dependence of H2O Peak Shift by Hydrogen Bonding 42
3.3. Reference Test (without HKUST-1) 44
3.4. Temperature Dependence of n-hexane Peak Shift by Pore Effect 45
3.5. Chemical Equilibrium of Strong Coordination (DMF) 46
3.6. Chemical Equilibrium of Intermediate Coordination (EtOH) 48
3.7. Chemical Equilibrium of Intermediate Coordination (MeOH) 49
IV. CONCLUSIONS 50
V. SUMMARY (국문요약) 51
VI. REFERENCES 52
- URI
-
http://dgist.dcollection.net/common/orgView/200000216166
http://hdl.handle.net/20.500.11750/10463
- Degree
- Master
- Department
- Department of Emerging Materials Science
- Publisher
- DGIST
- Related Researcher
-
-
Jeong, Nak Cheon
- Research Interests Inorganic Chemistry; Metal-Organic Framework; Nanoporous Materials; Electron Transport;Ion Transport
-
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-
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- Appears in Collections:
- Department of Physics and Chemistry Theses Master
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