Title Page
Contents
LIST OF ABBREVIATIONS 12
ABSTRACT 14
Ⅰ. INTRODUCTION 16
Ⅱ. MATERIALS AND METHODS 24
2.1. Materials 24
2.2. Preparation of Hydrogel Electrolyte Film 25
2.3. DSSC Fabrication 25
2.4. Characterization 26
2.4.1. Moisture content of hydrogel electrolyte films 26
2.4.2. Transmittance test of hydrogel electrolyte films 26
2.4.3. Adhesion test of hydrogel electrolyte films 27
2.4.4. Performance test of DSSC using hydrogel electrolyte films 27
2.4.5. Electrochemical Impedance Spectroscopy of hydrogel electrolyte films 28
2.4.6. Long-term stability of DSSC 28
Ⅲ. RESULTS AND DISCUSSION 30
3.1. DSSC Theory 30
3.2. Hydrogel electrolyte films characteristics 34
3.2.1. Moisture Contents, Concentration, and Thickness control 34
3.2.2. UV-vis transmittance spectra 38
3.2.3. Mechanical properties 42
3.3. Performance of DSSC using hydrogel electrolyte films 46
3.4. Electrochemical impedance spectroscopy of DSSC using hydrogel electrolyte films 51
3.5. Long-Term Stability of DSSC using hydrogel electrolyte films 55
Ⅳ. CONCLUSION 58
Ⅴ. REFERENCES 61
ABSTRACT IN KOREAN 67
Table. 1. The photovoltaic parameters of the DSSCs using nine cases of hydrogel electrolyte films according to different iodine concentrations and... 48
Fig. 1. Dye-sensitized Solar Cells (DSSCs) with hydrogel electrolyte films. 32
Fig. 2. Hydrogel electrolyte films with different iodine concentrations and thicknesses. 37
Fig. 3. The transmittance of the hydrogel films, the working, and counter electrodes, and the assembly. 40
Fig. 4. Peel test of hydrogel electrolyte films. 44
Fig. 5. Performance analysis of DSSCs with different hydrogel electrolyte films. 49
Fig. 6. Photoelectrochemical properties of hydrogel electrolyte films. 54
Fig. 7. Long-term stability test of DSSCs using hydrogel electrolyte films. 57