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首页> 外文会议>International Conference on Electrical, Electronics, and Optimization Techniques >Photovoltaic parameters of DSSCs using natural dyes with TiO2 nanopowder and nanofiber as photoanodes: A comparative study
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Photovoltaic parameters of DSSCs using natural dyes with TiO2 nanopowder and nanofiber as photoanodes: A comparative study

机译：天然染料，TiO2纳米粉和纳米纤维作为光阳极的DSSC光伏参数比较研究

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Dye-sensitized solar cells (DSCs) are currently attracting academic and commercial interest as regenerative low-cost alternatives to conventional solar cell devices. Researchers are focusing to facilitate for producing a low cost, eco-friendly and more efficient dye sensitized solar cells. Natural dye sensitized solar cells are a promising class of photovoltaic cells with the capacity of generating green energy at low production cost since no expensive equipment is required in their fabrication. In the present work we discuss the effect of Photoanodes sensitized with natural dyes Lawsone and Alizarin. We compared the efficiency of the devices fabricated with TiO2 nanofibers and nanopowder as photoanodes using these natural dyes. It is found that when we used nano fibers instead of nano powder as photo anode the dye adsorption on the TiO2 surface increases. This helps to harvest more photons and increases photocurrent density. As a result there is a significant increase in short circuit current density and conversion efficiency.
机译：作为传统太阳能电池设备的再生低成本替代品，染料敏化太阳能电池（DSC）当前正引起学术和商业兴趣。研究人员正致力于促进生产低成本，环保和更高效的染料敏化太阳能电池。天然染料敏化太阳能电池是一类有前途的光伏电池，其能够以较低的生产成本产生绿色能源，因为在其制造中不需要昂贵的设备。在目前的工作中，我们讨论了用天然染料Lawsone和Alizarin敏化的光阳极的作用。我们比较了使用这些天然染料，用TiO2纳米纤维和纳米粉作为光阳极制造的设备的效率。发现当我们使用纳米纤维代替纳米粉末作为光阳极时，染料在TiO 2表面上的吸附增加。这有助于收获更多的光子并增加光电流密度。结果，短路电流密度和转换效率大大提高。

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