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钌系敏化剂是染料敏化太阳电池(DSSC)研究最早也最成功的敏化剂类型之一,最高光电转换效率已达到11%以上。研究总结钌系敏化剂的结构、谱学性质、电化学性质与其光电转换性能之间的构效关系,对于设计合成新的具有更高性能的敏化剂、推进DSSC的实用化进程具有十分重要的意义。本文综述了钌系敏化剂的研究进展,将这类敏化剂按结构和性质进行分类,讨论了其分子结构、电子结构、谱学性质、电化学性质对其光吸收能力、电子注入效能、电荷传输与复合等因素的影响,并对其光电转换性能进行了详细评述,总结了其结构与光电转换性能之间的构效关系,概括了高效钌系敏化剂的结构特征,为更高效敏化剂的设计合成提供了有价值的参考。
Ruthenium-based sensitizers are one of the earliest and most successful sensitizer types in dye-sensitized solar cells (DSSCs). The highest photoelectric conversion efficiency has reached over 11%. The structure-activity relationship between the structure, the spectroscopic properties, the electrochemical properties and the photoelectric conversion properties of the ruthenium sensitizer has been summarized. For the design and synthesis of new sensitizers with higher performance, the practical application of DSSC is very good Significance. This review summarizes the research progress of ruthenium sensitizers. The sensitizers are classified according to their structure and properties. The effects of their molecular structure, electronic structure, spectroscopic properties and electrochemical properties on their optical absorption capacity, electron injection efficiency , Charge transfer and recombination and other factors, and its photoelectric conversion properties are reviewed in detail, the structure-activity relationship between the structure and the photoelectric conversion properties is summarized, the structural characteristics of the high-efficiency ruthenium sensitizer are summarized, The design and synthesis of highly efficient sensitizers provide valuable references.