Title Page
Contents
LIST OF ABBREVIATIONS 8
ABSTRACT 9
Ⅰ. Introduction 11
Ⅱ. MATERIALS AND METHODS 16
1. Materials 16
2. Method 16
1) Synthesis 16
2) Characterization 18
Ⅲ. RESULT AND DISCUSSION 20
1. XPS 20
2. BET 29
3. XRD 33
4. FT-IR 37
4. SEM 42
6. Electrochemical property 47
Ⅳ. Summary and Conclusions 52
Ⅴ. References 54
국문초록 62
Table 1. Surface atomic concentrations obtained by XPS for the ML-ZIF, the pyrolyzed as well as for the activated carbons samples 27
Table 2. Co atomic concentration percentages of H-ZIF-8-900 °C and H-ZIF-8-900 °C-KOH obtained by XPS spectra. 28
Table 3. The BET surface area and pore size of ZIF67, ZIF67-900 °C, ML-ZIF, H-ZIF-8, H-ZIF-8-900 °C, H-ZIF-8-900 °C-after KOH treatment 32
Figure 1. ML-ZIF, H-ZIF-8, H-ZIF-8-900 °C, and after KOH treatment XPS spectrum (a) total 22
Figure 2. BET pore diameter 31
Figure 3. XRD diffraction pattern. (a) total xrd diffraction peak 34
Figure 4. FT-IR (Fourier Transform Infrared spectroscopy) spectra (a) ZIF67, ZIF8, ML-ZIF 39
Figure 5. SEM image (a) ML-ZIF 43
Figure 6. (a) Linear seep voltammetry (LSV) curves 50