雙向/三向共軛延長鏈吩噻嗪染料的合成及其光伏性能研究
雙向/三向共軛延長鏈吩噻嗪染料的合成及其光伏性能研究【摘要】:染料敏化太陽電池是一種最具發(fā)展?jié)摿Φ牡统杀局圃?大范圍應(yīng)用的新興光伏技術(shù)。由于大量的日常生活和工業(yè)生產(chǎn)使用,解決能源需
【學(xué)位授予單位】:華南理工大學(xué)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2013
【分類號】:TQ614.3;TM914.4
【目錄】:
- Abstract7-9
- 摘要9-18
- Chapter 1 Introduction18-54
- 1.1 Introduction18-20
- 1.2 History of dye-sensitized solar cells20-22
- 1.3 Operating principle of dye-sensitized solar cells22-23
- 1.4 Main components of DSSCs23-39
- 1.4.1 Substrate24-25
- 1.4.2 Photoanode25-29
- 1.4.2.1 Preparation of nanostructured TiO_2 electrodes26-28
- 1.4.2.2 Fabrication of DSSCs28-29
- 1.4.3 Sensitizer29-36
- 1.4.3.1 Fundamental requirements of sensitizer29-36
- 1.4.4 Counter electrode36-37
- 1.4.5 Electrolyte37-38
- 1.4.6 Sealant38-39
- 1.5 Basic processes of photovoltaic performance of DSSCs39-44
- 1.5.1 Absorption of light by the dyes and generation of excitons39-42
- 1.5.2 Charge separation42-43
- 1.5.3 Charge transport43-44
- 1.5.4 Regeneration of the dyes44
- 1.6 Energetics of dye-sensitized solar cells44-45
- 1.7 Photovoltaic performance of DSSCs45-48
- 1.7.1 The solar resource and air mass45-46
- 1.7.2 Parameters of DSSCs46-48
- 1.8 Solar cells current trends48-50
- 1.9 Factors influencing the performance of DSSCs50-52
- 1.10 Aims and objectives of research work52-54
- Chapter 2 Review of organic dyes54-76
- 2.1 Triphenylamine based dyes54-69
- 2.2 Coumarin based dyes69
- 2.3 Indoline based dyes69-70
- 2.4 Carbazole based dyes70-71
- 2.5 Fluorene based dyes71-72
- 2.6 Phenoxazine based dyes72
- 2.7 Aniline based dyes72
- 2.8 Phenothiazine based dyes72-76
- Chapter 3 Synthesis of organic dyes76-104
- 3.1 Introduction76-78
- 3.2 Reagents and chemicals78-101
- 3.2.1 Synthesis of intermed iates and organic dyes78-101
- 3.3 Summary101-104
- Chapter 4 Characterization of organic dyes104-108
- 4.1 Photophysical and electrochemical characterization of organic dyes104
- 4.2 Solar cell assembly104-107
- 4.2.1 Preparation of TiCl_4 solution104-105
- 4.2.2 FTO conductive glass pretreatment105
- 4.2.3 Photoanode film preparation105-106
- 4.2.3.1 Preparation nanocrystalline TiO_2 paste105
- 4.2.3.2 Preparation of TiO_2 film105-106
- 4.2.4 Dye loading on TiO_2 film106
- 4.2.5 Preparation of counter electrode106
- 4.2.6 Dye-sensitized solar cell assembly106
- 4.2.7 Dye-sensitized solar cells photovoltaic performance106-107
- 4.3 Determination of dye load amount adsorbed on the surface of TiO_2 films107-108
- Chapter 5 Results and discussions108-150
- 5.1 Phenothiazine based dyes with lateral and bilateral π-conjugation extension for DSSCs (Z0-Z4)108-120
- 5.1.1 Photophysical properties of the dyes Z0-Z4109-112
- 5.1.2 Electrochemical properties of the dyes Z0-Z4112-114
- 5.1.3 Molecular orbital calculations of the dyes Z0-Z4114-115
- 5.1.4 Photovoltaic performance of DSSCs based on the dyes Z0-Z4115-119
- 5.1.5 Conclusion119-120
- 5.2 Impact of hydroxy and octyloxy substituents of phenothiazine based dyes on the photovoltaic performance (Z5 and Z6)120-130
- 5.2.1 Photophysical properties of the dyes Z5 and Z6121-123
- 5.2.2 Electrochemical properties of the dyes Z5 and Z6123-124
- 5.2.3 Molecular orbital calculations of the dyes Z5 and Z6124-125
- 5.2.4 Photovoltaic performance of DSSCs based on the dyes Z5 and Z6125-129
- 5.2.5 Conclusion129-130
- 5.3 Influence of π-spacer and anchoring units on the performance of dye-sensitized solar cells (Z7-Z10)130-141
- 5.3.1 Photophysical properties of the dyes Z7-Z10131-133
- 5.3.2 Electrochemical properties of the dyes Z7-Z10133-134
- 5.3.3 Molecular orbital calculations of the dyes Z7-Z10134-136
- 5.3.4 Photovoltaic performance of DSSCs based on the dyes Z7-Z10136-139
- 5.3.5 Conclusion139-141
- 5.4 Phenothiazine-based dyes with trilateral π-conjugation extension for dye-sensitized solar cells (Z11 and Z12)141-150
- 5.4.1 Photophysical Properties of the dyes Z11 and Z12142-144
- 5.4.2 Electrochemical properties of the dyes Z11 and Z12144
- 5.4.3 Molecular orbital calculations of the dyes Z11 and Z12144-146
- 5.4.4 Photovoltaic performance of DSSCs based on the dyes Z11 and Z12146-149
- 5.4.5 Conclusion149-150
- Summary150-152
- References152-176
- Appendices176-218
- Achievments during the Ph.D degree program218-219
- 致謝219-220
- Acknowledgements220-222
- 附件222
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