Synthesis of Ruthenium(II) Complexes containing N-Heterocyclic Carbene-Pyridine Ligands for Dye-Sensitized Solar Cell Applications

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题名:	Synthesis of Ruthenium(II) Complexes containing N-Heterocyclic Carbene-Pyridine Ligands for Dye-Sensitized Solar Cell Applications
作者:	張鴻元;Chang,Hung-Yuan
贡献者:	化學學系
关键词:	染料敏化太陽能電池;Dye-Sensitized Solar Cell
日期:	2013-07-25
上传时间:	2013-08-22 11:39:36 (UTC+8)
出版者:	國立中央大學
摘要:	染料敏化太陽能電池 (DSSCs) 具有輕薄、可撓曲性和大面積製成的特性，因此非常適合在太陽能發電的領域上作發展，目的是為了有效地把太陽的光能轉換為電能，其中影響光能轉換為電能的因素相當多；本篇論文的研究是希望藉由合成新穎的釕金屬錯合物來提升光電轉換效率。　　繼本實驗室開發CifPR後，為了增加染料分子對於紅外光的吸光性質，因此在N-Heterocyclic Carbene-Pyridine (NHC-Pyridine) 配位基上引入Thiophene及Carboxylic acid group設計出CI系列二個錯合物；另一個目的是希望由實驗室發展的NHC-Pyridine配位基也具有Anchoring在半導體材料的特性，因此也設計出NHC-Pyridine配位基取代Bipyrdine的DC系列二個錯合物。　　除了研究NHC-Pyridine配位基合成的最佳化條件之外，CI與DC系列的構形皆有解出晶體結構作鑑定；並且測量UV-Vis吸收光譜和電化學性質。最後藉由理論計算預測分子軌域電子分布情形。　　Dye-Sensitized Solar Cells (DSSCs) is characterized by thin, flexible, being made of large area, and so on. So it does agree with the area of solar generator developments. The purpose is to enhance the efficiency of conversion of solar-to-electrical energy, and there have many factors to effect the conversion of solar-to-electrical energy. This thesis synthesize novel ruthenium(II) complexes to improve the solar-to-electrical conversion efficiencies. 　　Following the development of CifPR in our laboratory, we designed two complexes of CI series that injected the thiophene and carboxylic acid groups into the N-Heterocyclic Carbene-Pyridine (NHC-Pyridine) ligands in order to the properties of increase molecules absorb infrared. The other purpose is to make the NHC-Pyridine ligands which is developed from our lab also has the semiconductor material properties like anchoring, so we also design NHC-Pyridine ligands to replace bipyridine of two complexes of DC series. 　　In addition to studying the optimization conditions of synthesizing NHC-Pyridine ligands, the conformation of both CI and DC series have been observed from the crystal structure meanwhile, I measured their UV-Vis absorption spectrum and the properties of electrochemistry. At last, I did the theoretical calculation to predict the molecular orbital of the complexes of two series.
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