The increasing demand for energy led to the development of the nonconventional energy source, the solar cell, and materials capable of harvesting light energy from the Sun. Of various types of solar cells, dye-sensitized solar cells (DSSCs) are low cost but have less efficiency. The paper reports on the development of cobalt phthalocyanine-incorporated natural dye with high broad absorption in the 400–800 nm region that exhibits excellent stability on aging. The nonlinear absorption coefficient and the refractive index, studied using the open- and closed-aperture Z-scan technique, are also found to be high, making it best suitable for DSSC applications.

中文翻译：

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含酞菁的稳定宽带吸收的天然染料在太阳能电池中的开发和非线性光学表征

能源需求的增长导致非常规能源，太阳能电池以及能够从太阳收集光能的材料的发展。在各种类型的太阳能电池中，染料敏化太阳能电池（DSSC）成本低廉，但效率较低。该论文报道了掺钴酞菁钴的天然染料的发展，该染料在400-800 nm区域具有宽广的吸收率，并且对老化具有出色的稳定性。使用开孔和闭孔Z扫描技术研究的非线性吸收系数和折射率也很高，使其最适合DSSC应用。