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全有機染料敏化太陽能電池研究 = Organic dyes-sensit...

國立高雄大學化學工程及材料工程學系碩士班

全有機染料敏化太陽能電池研究 = Organic dyes-sensitized solar cells

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Organic dyes-sensitized solar cells
作者:	廖紹宏,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2009[民98]
面頁冊數:	117面圖、表 : 30公分;
標題:	Knoevenagel 縮合反應
標題:	Dye-sensitized solar cells.
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/75719767481645754493
附註:	指導教授：楊乾信
附註:	參考書目：面
摘要註:	本研究主要是合成以三苯胺( tripenylamine，TPA) 與咔唑( carbazole) 結構共價結合之全有機小分子光敏化染料，因為染料敏化太陽能電池中的染料為有機小分子時，相較於一般 Grätzel 太陽能電池常用之金屬錯合物染料，有著高吸收係數與不需使用貴重金屬元素的優點。我們運用了幾種有機合成方法，先以Vilsmeier-Haack 反應將 TPA 接上不同數目的醛基，再利用溴化反應以及 suzuki 偶合反應得到含有醛基的 TPA與 carbazole 共聚物，最後利用 Knoevenagel 縮合反應，以將 TPA 與 carbazole 共價結合物上之醛基與 rhodanine-3-acetic acid 上的亞甲基進行親核性加成反應隨後再進行脫水反應，即可得到我們所需之全有機小分子光敏化染料，之後再以 rhodanine-3-acetic acid 上之羧酸和二氧化鈦奈米粒子進行螯合作用，分別探討接上不同數目的 carbazole 與 rhodanine-3-acetic acid 之染料組成染料敏化太陽能電池元件的效能差異。 CTPAR2 染料結構，其最佳效率可達 4.64%。 In this work, carbazole-triphenylamine (CTPA)-based metal-free organic dyes were synthesized and employed to the dye-sensitized solar cells (DSSCs). Metal-free organic dye, compared to the ruthenium-based photo-sensitizer in the Grätzel cell, has the advantages of high absorbance coefficient and without using expensive metal. We employed few kinds of organic synthesis methods. Different number of aldehyde groups were first linked on the TPA molecule by using the Vilsmeier-Haack reaction. Then, three different carbazole-triphenylamine-based structures were obtained using the bromination of aromatic derivatives and Suzuki coupling reaction, which possess different numbers of aldehyde and carbazole groups. Finally, the metal-free organic dyes were obtained through the nucleophilic addition and dehydration between the aldehyde groups on CTPA and the methylene of rhodanine-3-acetic acid by using the Knoevenagel condensation reaction. The above three dyes were anchored on the surface of titanium dioxide nanoparticles via the carboxylic acid of dyes by using the self-assembly method. Furthermore, these dyes were used to assemble the dye-sensitized solar cells and the performance of the cells was measured. The optimal efficiency of DSSCs reaches to 4.64% for CTPAR2 dye.

全有機染料敏化太陽能電池研究 = Organic dyes-sensitized solar cells
廖, 紹宏

全有機染料敏化太陽能電池研究 = Organic dyes-sensitized solar cells / 廖紹宏撰 - [高雄市] : 撰者, 2009[民98]. - 117面 ; 圖、表 ; 30公分.
指導教授：楊乾信參考書目：面.
Knoevenagel 縮合反應Dye-sensitized solar cells.

全有機染料敏化太陽能電池研究 = Organic dyes-sensitized solar cells
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328 $a 碩士論文--國立高雄大學化學工程及材料工程學系碩士班
330 $a 本研究主要是合成以三苯胺( tripenylamine，TPA) 與咔唑( carbazole) 結構共價結合之全有機小分子光敏化染料，因為染料敏化太陽能電池中的染料為有機小分子時，相較於一般 Grätzel 太陽能電池常用之金屬錯合物染料，有著高吸收係數與不需使用貴重金屬元素的優點。我們運用了幾種有機合成方法，先以Vilsmeier-Haack 反應將 TPA 接上不同數目的醛基，再利用溴化反應以及 suzuki 偶合反應得到含有醛基的 TPA與 carbazole 共聚物，最後利用 Knoevenagel 縮合反應，以將 TPA 與 carbazole 共價結合物上之醛基與 rhodanine-3-acetic acid 上的亞甲基進行親核性加成反應隨後再進行脫水反應，即可得到我們所需之全有機小分子光敏化染料，之後再以 rhodanine-3-acetic acid 上之羧酸和二氧化鈦奈米粒子進行螯合作用，分別探討接上不同數目的 carbazole 與 rhodanine-3-acetic acid 之染料組成染料敏化太陽能電池元件的效能差異。 CTPAR2 染料結構，其最佳效率可達 4.64%。 In this work, carbazole-triphenylamine (CTPA)-based metal-free organic dyes were synthesized and employed to the dye-sensitized solar cells (DSSCs). Metal-free organic dye, compared to the ruthenium-based photo-sensitizer in the Grätzel cell, has the advantages of high absorbance coefficient and without using expensive metal. We employed few kinds of organic synthesis methods. Different number of aldehyde groups were first linked on the TPA molecule by using the Vilsmeier-Haack reaction. Then, three different carbazole-triphenylamine-based structures were obtained using the bromination of aromatic derivatives and Suzuki coupling reaction, which possess different numbers of aldehyde and carbazole groups. Finally, the metal-free organic dyes were obtained through the nucleophilic addition and dehydration between the aldehyde groups on CTPA and the methylene of rhodanine-3-acetic acid by using the Knoevenagel condensation reaction. The above three dyes were anchored on the surface of titanium dioxide nanoparticles via the carboxylic acid of dyes by using the self-assembly method. Furthermore, these dyes were used to assemble the dye-sensitized solar cells and the performance of the cells was measured. The optimal efficiency of DSSCs reaches to 4.64% for CTPAR2 dye.
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