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首页> 美国政府科技报告 >Green Nanochemistry Approach to Titanium Dioxide Nanoparticle, Dye- Sensitized Solar Cells.
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Green Nanochemistry Approach to Titanium Dioxide Nanoparticle, Dye- Sensitized Solar Cells.

机译：二氧化钛纳米粒子，染料敏化太阳能电池的绿色纳米化学方法。

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摘要

Dye-sensitized solar cells (DSSCs) are a class of thin-film solar cells which can be created using low-cost materials and natural dyes. They have the potential to achieve comparable efficiency to bulky silicon photovoltaic cells, while providing many other distinct advantages such as a more tunable band gap and device flexibility. In this research, anthocyanin, a natural dye extracted from various fruits, was used and tested as the photon harvesting/electron donating dye in titanium dioxide nanoparticle-based DSSCs. Anthocyanin molecules were extracted through mechanical pulverization and chemical extraction methods, with both being evaluated in a DSSC system. These results demonstrate that DSSCs made from chemically extracted blackberry-based anthocyanin cells produced almost 5 greater photocurrent density compared to DSSCs made through the mechanical pulverization method. The highest output was achieved with DSSCs created through the use of chemically extracted blueberry anthocyanin dyes, producing a photocurrent density, Isc, of 7.30 mA and an open circuit voltage, Voc, of 335 mV.

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