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首页> 外文期刊>RSC Advances >Porphyrin containing lipophilic amide groups as a photosensitizer for dye-sensitized solar cells
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Porphyrin containing lipophilic amide groups as a photosensitizer for dye-sensitized solar cells

机译：含有亲脂酰胺基团的卟啉作为染料敏化太阳能电池的光敏剂

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摘要

In this study, synthesis and investigation of a novel zinc-porphyrin derivative bearing C-24-containing amide groups for potential use in dye-sensitized solar cells (DSSCs) are presented. According to absorption spectra and electrochemical data, the target porphyrin has appropriate highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels. The device studies revealed that the DSSCs based on the target porphyrin exhibited higher light harvesting efficiency in the Q-band region and an increased photocurrent, compared to the DSSCs based on a benchmark derivative bearing no alkyl amide groups on the meso-phenyl substituents. The optimum DSSC based on the target porphyrin gave a short-circuit photocurrent density (J(sc)), an open-circuit voltage (V-oc) and a fill factor (FF) of 5.6 mA cm(-2), 0.7 V and 0.78, respectively, with an overall power conversion efficiency (PCE) of 3.1%.
机译：在这项研究中，提出了一种新型的锌卟啉衍生物，该衍生物具有潜在的染料敏化太阳能电池（DSSCs）用途，该衍生物带有带有C-24酰胺基的锌卟啉衍生物。根据吸收光谱和电化学数据，目标卟啉具有合适的最高占据分子轨道（HOMO）和最低未占据分子轨道（LUMO）能级。装置研究表明，与基于在中苯基取代基上不带有烷基酰胺基的基准衍生物的DSSC相比，基于靶卟啉的DSSC在Q带区域表现出更高的光收集效率，并且光电流增加。基于目标卟啉的最佳DSSC给出了短路光电流密度（J（sc）），开路电压（V-oc）和填充系数（FF）分别为5.6 mA cm（-2），0.7 V分别为0.78和0.78，总功率转换效率（PCE）为3.1％。

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