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研究生： 歐寧欣
Obadja, Nesia
論文名稱： 利用高分子固化電解質以製備高效能固態染料敏化太陽能電池
Fabrication of Solid-State Electrolytes by Solidification of Polymers for Highly Efficient Solid-State Dye Sensitized Solar Cells
指導教授： 李玉郎
Lee, Yuh-Lang
學位類別： 碩士
Master
系所名稱： 工學院 - 化學工程學系
Department of Chemical Engineering
論文出版年： 2012
畢業學年度： 100
語文別： 英文
論文頁數： 108
外文關鍵詞： Highly efficient, All-solid-state DSSCs, Blending polymer, Plasticizer, Nanofiller
相關次數： 點閱：88  下載：0 
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    • Blending polymer P(AN-VA)/PEO and P(AN-VA)/P(VdF-HFP) were employed as solidification agents to prepare solid-state electrolytes for dye-sensitized solar cells (DSSCs). The main purpose of using blending system is to reduce the crytallinity of the polymer, which is supposed to be advantages to the charge transport. These two systems showed good performance on DSSCs applications due to enhancement of ionic conductivity and overall conversion efficiency compared to single polymer system. However, P(AN-VA)/P(VdF-HFP) can achieve a higher conductivity (3.67 x 10-3 S/cm) compared to that obtain by the P(AN-VA)/PEO system (3.04 x 10-3 S/cm). Therefore, this study was focused more on the P(AN-VA)/P(VdF-HFP) blending sytem. To increase the performance of the cells, ethylene carbonate (EC) and TiO2 were introduced as plasticizer and nanofiller, respectively, of the electrolyte system. Finally, to evaluate the performance of the DSSCs, stability test was carried out at room temperature. Almost all cells could maintain over 90% of their original efficiencies after 300 hours.

    TABLE OF CONTENTS ABSTRACT I TABLE OF CONTENTS IV LIST OF TABLES VIII LIST OF FIGURES IX CHAPTER 1 INTRODUCTION 1 1.1 Background of Study 1 1.2 Research Objectives 3 1.3 Thesis Outline 4 CHAPTER 2 THEORETICAL 6 2.1 A Brief History of Photovoltaic Production 6 2.2 Operation Principle of Dye Sensitized Solar Cells7 2.3 Materials of Dye Sensitized Solar Cells 11 2.3.1 Substrate 12 2.3.2 Nanoparticles Electrode 13 2.3.3 Dye (Sensitizer) 17 2.3.4 Electrolyte 23 2.3.4.1 Liquid Electrolyte 24 2.3.4.2 Gel and Solid Electrolytes 25 2.3.5 Counter Electrode 30 2.4 Performance Analysis of DSSCs 31 2.4.1 Photovoltaic Measurement 32 2.4.2 Electrochemical Impedance Spectroscopy 34 2.4.2.1 The Theory In AC Impedance 35 2.4.2.2 EIS Measurement For DSSCs Applications 37 CHAPTER 3 EXPERIMENTAL 40 3.1 Device and Instrumentation 40 3.2 Chemicals and Materials 52 3.2.1 Chemicals 52 3.2.2 Materials 54 3.3 Experimental Procedures 54 3.3.1 Transparent Conducting Oxide (TCO) Glass Cleaning Process 55 3.3.2 Photo-Electrode Preparation 56 3.3.3 Electrolyte Preparation 58 3.3.4 Cell Assembling 59 3.3.5 Analysis 60 CHAPTER 4 RESULTS AND DISCUSSION 61 4.1 Gel State Electrolyte System 61 4.1.1 P(AN-VA)/PEO Blending Gel State System 62 4.1.2 P(AN-VA)/P(VdF-HFP) Blending Gel State System 66 4.2 Solid State Electrolyte System 70 4.2.1 P(AN-VA)/PEO Blending Solid State System 72 4.2.2 P(AN-VA)/P(VdF-HFP) Blending Solid State System77 4.3 Additives Effects For Solid State DSSCs 83 4.3.1 Plasticizer Additive 83 4.3.2 Nanofiller Additive 85 4.3.2.1 SiO2 Additive 86 4.3.2.2 TiO2 Additive 88 4.4 Stability 91 4.4.1 Stability At Room Temperature 91 4.4.2 Stability At 60oC 93 CHAPTER 5 CONCLUSION 95 REFERENCES 97

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