Effect of Natural Dye Extracts on the Absorbance Characteristics of TiO2 in Dye-Sensitized Solar Cells

Journal of Energy Research and Reviews Pub Date : 2024-05-08 DOI:10.9734/jenrr/2024/v16i5352

Tarila Amakoromo, P.S. Cookey, T. T. Awuhe

{"title":"Effect of Natural Dye Extracts on the Absorbance Characteristics of TiO2 in Dye-Sensitized Solar Cells","authors":"Tarila Amakoromo, P.S. Cookey, T. T. Awuhe","doi":"10.9734/jenrr/2024/v16i5352","DOIUrl":null,"url":null,"abstract":"Natural dye extracts from Chinese Ixora (Ixora chinensis) flower, Cassod flower (Cassia Siamea), Cassava leaf (Manihot Esculenta), purple heart (Tradescantia Pallida) and Copper leaf (Acalypha Wilkesiana) have been explored as sensitizers for the fabrication of dye-sensitized solar cells. The properties of the dyes were investigated using the FTIR and they all showed broad absorption bands in the 3800 to 3000cm-1 wavelenght and strong presence of intermolecular H-bonds. The effect of dye extracts on the absorbance and transmittance features of TiO2 was well studied by the UV-VIS and the absorbance peak was in the case of sensitization with Manihot Esculenta seen to radically improve above 1.0 at 350nm wavelength. Finally, the current and voltage characteristics of the DSSC were studied in sunlight and at a peak sunlight intensity of 601m/w2, the Manihot and Cassod sensitized devices exhibited maximum voltage values of 115 and 84mV respectively and maximum current values of 4.32 and 2.99mA. These plants have shown great potential for application in fabrication of cost effective and environmentally friendly DSSCs.","PeriodicalId":499811,"journal":{"name":"Journal of Energy Research and Reviews","volume":" 4","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Energy Research and Reviews","FirstCategoryId":"0","ListUrlMain":"https://doi.org/10.9734/jenrr/2024/v16i5352","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 0

Abstract

Natural dye extracts from Chinese Ixora (Ixora chinensis) flower, Cassod flower (Cassia Siamea), Cassava leaf (Manihot Esculenta), purple heart (Tradescantia Pallida) and Copper leaf (Acalypha Wilkesiana) have been explored as sensitizers for the fabrication of dye-sensitized solar cells. The properties of the dyes were investigated using the FTIR and they all showed broad absorption bands in the 3800 to 3000cm-1 wavelenght and strong presence of intermolecular H-bonds. The effect of dye extracts on the absorbance and transmittance features of TiO2 was well studied by the UV-VIS and the absorbance peak was in the case of sensitization with Manihot Esculenta seen to radically improve above 1.0 at 350nm wavelength. Finally, the current and voltage characteristics of the DSSC were studied in sunlight and at a peak sunlight intensity of 601m/w2, the Manihot and Cassod sensitized devices exhibited maximum voltage values of 115 and 84mV respectively and maximum current values of 4.32 and 2.99mA. These plants have shown great potential for application in fabrication of cost effective and environmentally friendly DSSCs.

查看原文本刊更多论文

天然染料提取物对染料敏化太阳能电池中 TiO2 吸收特性的影响

研究人员从鸢尾花（Ixora chinensis）、决明子花（Cassod flower）、木薯叶（Manihot Esculenta）、紫心（Tradescantia Pallida）和铜叶（Acalypha Wilkesiana）中提取天然染料，作为制造染料敏化太阳能电池的敏化剂。利用傅立叶变换红外光谱研究了这些染料的特性，它们都在 3800 至 3000cm-1 波长范围内显示出宽阔的吸收带，并存在较强的分子间 H 键。紫外-可见分光光度法很好地研究了染料萃取物对二氧化钛吸光度和透射率特征的影响，在 350 纳米波长处，用 Manihot Esculenta 进行敏化时，吸光度峰值从根本上提高到 1.0 以上。最后，在太阳光下研究了 DSSC 的电流和电压特性，在峰值太阳光强度为 601m/w2 时，Manihot 和 Cassod 感光器件的最大电压值分别为 115mV 和 84mV，最大电流值分别为 4.32mA 和 2.99mA。这些植物在应用于制造具有成本效益和环境友好型 DSSC 方面显示出巨大的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Journal of Energy Research and Reviews

自引率

0.00%

发文量