基于用从巴西和Taray树皮中提取的天然染料敏化的ZnO光电极的DSSC

Pub Date : 2022-04-01 DOI:10.15251/jobm.2022.142.29

A. G. Flota Robledo, J. Pantoja Enríquez, C. A. Meza Avendaño, G. Pérez Hernández, P. J. Juárez Gutiérrez

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引用次数: 1

摘要

我们报道了从巴西和Taray树皮中提取天然染料，将这些染料浸渍在通过溶胶-凝胶法合成并由Doctor Blade沉积的ZnO薄膜中，最后制备染料敏化太阳能电池（DSSC）。利用紫外可见光谱和红外光谱对ZnO/染料的结构进行了表征。红外光谱分析表明，用提取的染料浸渍的半导体在ZnO中表现出染料锚定的特性。对组装的DSSC的光伏性能和效率进行了评估。

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DSSCs based on ZnO photoelectrodes sensitized with natural dyes extracted from the bark of Brazil and Taray

We report the extraction of natural dyes from Brazil and Taray bark, the impregnation of these dyes in thin films of ZnO synthesized via sol-gel method and deposited by Doctor Blade and finally the fabrication of dye sensitized solar cells (DSSC). The ZnO/dyes structures were characterized using UV-Visible and infrared spectroscopy. The analysis of the infrared spectra shows that the semiconductors impregnated with the extracted dyes exhibit the characteristic of dye anchorage in ZnO. The photovoltaic performance and efficiency of the assembled DSSCs was evaluated.

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