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Dye-sensitized solar cells concocted with dyes extracted from fresh and dried leaves of Henna using different solvents
Optical and Quantum Electronics ( IF 3 ) Pub Date : 2021-05-03 , DOI: 10.1007/s11082-021-02953-5
S. Sowmya , N. Ruba , K. Inbarajan , Pooja Prakash , B. Janarthanan

Fresh and dried leaves of Lawsonia inermis (Henna) were used in extracting dyes with variety of solvents such as ethanol, acetone and distilled water. To our knowledge, acetone has been used for the first time as solvent to extract henna dye. These extracted dyes were used as sensitizers in Dye-Sensitized Solar Cells (DSSCs). A sum of six DSSCs were fabricated. Spectroscopic studies (UV–Visible and FTIR) were recorded for all the six dyes extracted and for the photo-anodes prepared. J–V Characterization study was performed for all the cells and parameters such as Voc, Jsc, Vm, Jm, fill-factor and efficiency were calculated for the prepared cells. To our knowledge, the efficiency of DSSCs with sensitizer extracted from henna leaves with acetone and distilled water as solvent has been reported for the first time. It was seen that amongst all the cells prepared, the one with dye extracted from dried leaves using acetone as solvent showed higher efficiency of 0.351% with fill-factor of 0.3765.



中文翻译:

染料敏化太阳能电池,混合了使用不同溶剂从指甲花的新鲜和干燥叶子中提取的染料

新鲜和干叶无草的叶子(Henna)用于用多种溶剂(例如乙醇,丙酮和蒸馏水)提取染料。据我们所知,丙酮第一次被用作提取指甲花染料的溶剂。这些提取的染料在染料敏化太阳能电池(DSSC)中用作敏化剂。总共制造了六个DSSC。记录了所有提取的六种染料和制备的光阳极的光谱学研究(UV-Visible和FTIR)。对所有电池进行了J–V特性​​研究,并为准备好的电池计算了Voc,Jsc,Vm,Jm,填充因子和效率等参数。据我们所知,首次报道了用指甲油和丙酮和蒸馏水作为溶剂从指甲花叶中提取的敏化剂对DSSC的效率。可以看出,在准备好的所有细胞中,

更新日期:2021-05-03
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