低成本天然染料敏化太阳能电池的性能比较

IF 0.3 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
Afshana Afroj Bristi, S. M. Jahadun-Nobi, Nurul Abser, M. Hassan
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引用次数: 0

摘要

染料敏化太阳能电池(DSSCs)由于其易于制造、材料成本低、颜色可调和灵活性等独特的特点,在光伏设计中引起了人们的关注。在这项工作中,我们研究了以几种天然染料作为敏化剂的低成本染料敏化太阳能电池结构的性能。采用二氧化钛(TiO2)作为半导体层。在氟掺杂氧化锡(FTO)玻璃板上制备TiO2薄膜,在450℃下退火烧结1小时,形成介孔层。为了降低制造成本,我们使用炭黑代替铂(Pt)作为对电极。作为DSSCs的对电极,炭黑具有优良的稳定性和较高的催化性能,且成本较低。用硅胶柱层析法提取和纯化了8种不同的染料用于DSSCs。利用紫外-可见吸收光谱和荧光光谱测定了各细胞的吸光度系数和荧光系数。荧光光谱中有一个额外峰的细胞比其他细胞表现出更好的电学性能。其中,姜黄基DSSC的开路电压最高,为0.5959 V,短路电流密度为1.06 mA/cm2。研究还表明,荧光光谱峰在380 nm ~ 400 nm处的染料具有较好的光伏性能,而吸光度中等的染料具有较好的光伏性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance Comparison of Cost Efficient Natural Dye Sensitized Solar Cell
Dye-sensitized solar cells (DSSCs) enticed the attention in photovoltaic design due to their unique features of ease of fabrication, low-cost materials, tunable color, and flexibility. In this work, we studied the performance of a low cost dye-sensitized solar cell structure with several natural dyes as a sensitizer. Titanium dioxide (TiO2) was used as the semiconducting layer. The TiO2 film was fabricated on Florine doped Tin Oxide (FTO) glass plate and was annealed and sintered for an hour at 450°C temperature to create a mesoporous layer. To reduce the manufacturing cost, we used Carbon black instead of Platinum (Pt) as a counter electrode. Carbon black provides excellent stability and shows high catalytic ability along with its low cost as the counter electrode in the DSSCs. Eight different dyes have been extracted and purified by Silica gel column chromatography to use in the DSSCs. UV-Visible absorption spectroscopy and fluorescence spectroscopy has been done to measure the absorbance coefficient and fluorescence coefficient of each of the cells. The cells with an additional peak in the fluorescence spectra showed much better electrical performance compared with others. Among the fabricated DSSCs, the Curcuma longa based DSSC gives the highest open-circuit voltage of 0.5959 V and short circuit current density of 1.06 mA/cm2. The study also indicates that the dyes with a peak at 380 nm to 400 nm wavelength at fluorescence spectrum has better photovoltaic performance rather with a moderate absorbance spectrum.
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来源期刊
International Journal of Power and Energy Systems
International Journal of Power and Energy Systems ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
1.00
自引率
0.00%
发文量
5
期刊介绍: First published in 1972, this journal serves a worldwide readership of power and energy professionals. As one of the premier referred publications in the field, this journal strives to be the first to explore emerging energy issues, featuring only papers of the highest scientific merit. The subject areas of this journal include power transmission, distribution and generation, electric power quality, education, energy development, competition and regulation, power electronics, communication, electric machinery, power engineering systems, protection, reliability and security, energy management systems and supervisory control, economics, dispatching and scheduling, energy systems modelling and simulation, alternative energy sources, policy and planning.
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