含碳烯釕金屬錯合物及2D-π-2A有機光敏染料在染料敏化太陽能電池上的應用; Carbene Based Ruthenium Complexes and 2D-π-2A Organic Sensitizers for Dye-Sensitized Solar Cell Applications

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题名:	含碳烯釕金屬錯合物及2D-π-2A有機光敏染料在染料敏化太陽能電池上的應用;Carbene Based Ruthenium Complexes and 2D-π-2A Organic Sensitizers for Dye-Sensitized Solar Cell Applications
作者:	陳宛君;Chen,Wan-chun
贡献者:	化學學系
关键词:	染料敏化太陽能電池;釕金屬錯合物;有機光敏染料;?啶含氮碳烯雜環配位基;Dye-Sensitized Solar Cell;Ruthenium Complexes;Organic Sensitizers;Pyridine N-Heterocyclic Carbene Ligand
日期:	2013-07-26
上传时间:	2013-08-22 11:39:27 (UTC+8)
出版者:	國立中央大學
摘要:	在各類太陽能電池中，染料敏化太陽能電池具低成本、製程簡易、多色彩、可透視、可撓曲等優勢，因而成為現今太陽能電池開發的重點之ㄧ，其中所使用光敏染料的優劣是影響其效率高低的重要因素。本文以含碳烯-?啶（Carbene-Pyridine)的不對稱結構為基礎取代染料N3中的一個2,2'-Bipyridine配位基，再引入?吩環（Thiophene)增加其共軛性質，合成出染料CI114、CI115及CI117釕金屬錯合物，其中CI115有較佳的光電轉換效率。此外相對於釕金屬錯合物為基礎的光敏染料，有機光敏染料具結構修飾容易、高吸光係數、合成成本較低廉及較低污染等優點，是另一研究大宗，本文以苯環（Benzene）為架橋，設計具2D-π-2A型式的有機光敏染料DD107及DD108，與D-π-A型式的染料DD100比較，期望能在有機光敏染料結構的設計及開發上提供一個新的方向。 There are various types of solar cells reported and the dye-sensitized solar cells (DSSC) possessing the advantages like low-cost, simple process, multi-color, penetration, flexible, has become a key technology to developed the present solar cells. In DSSC, the photosensitizer dye used plays an important role of light absorption and helps to gain higher efficiency. In the present work we develop the complexes bearing an asymmetric structures through replacing the 2,2'-bipyridine ligand of N3 dye by the car-bene-pyridine ligand. Conjugation property of these dyes was increased through incorporation of thiophene moieties. Thus, the resulting ruthenium complexes coded as CI114, CI115 and CI117 were designed and synthesized and the dye CI115 showed better photoelectric conversion efficiency. In concern to the expensive ruthenium metal complexes based photosensitive dyes, the pure organic sensitizers showing the advantages of easy to modification of the dye structure, high absorption coefficient, low cost of synthesis and low environmental hazards, etc., were also designed. The sensitizers DD107 and DD108 representing the 2D-π-2A configuration, in which the benzene rings were incorporated in the π-bridge of the dye, were designed and synthesized. Sensitizer DD100 with D-π-A configuration was designed to evaluate the efficiency difference between 2D-π-2A and D-π-A configured sensitizers. We believe that such kind of innovative design principle will provide a new direction to the modification of organic photosensitizers to help gain higher light absorption and enhancement in overall conversion efficiency.
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