甲基铵(MAI)对单片钙钛矿太阳能电池功率转换效率的优化

IF 0.8 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Nano Research Pub Date : 2023-03-30 DOI:10.4028/p-9ci284

Bhagavanreddy Thokala, Devarapalli Nagendra Prasad, Kumar Manoj

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引用次数: 0

摘要

本研究以甲基碘化铵(MAI)钙钛矿浓度为指标，对单片钙钛矿太阳能电池(mPSCs)的性能进行了评价。用不同比例的MAI:PbI2进行五种不同的钙钛矿层，分别标记为A0, A1, A2, A3和A4，对应的比例为1:1,1.1:1,1.2:1,1.3:1和1.4:1。本研究为此制备了玻璃/FTO/compact (c)-TiO2/介孔(mp)-TiO2/介孔(mp)-ZrO2/碳夹层结构的mPSCs。利用x射线衍射、拉曼光谱和场发射扫描电镜(FE-SEM)对制备的mPSCs薄膜进行了表征。在AM 1.5条件下测量光伏特性，发现功率转换效率(PCE)随着MAI:PbI2钙钛矿浓度的增加而增加，从1:1增加到1.1:1M。与MAI:PbI2(1:1)的mPSCs相比，MAI:PbI2(1:1)的mPSCs PCE最高为17.68%，而MAI:PbI2(1:1)的mPSCs PCE为15.2%。

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Optimal Enhancement of Power Conversion Efficiency of Monolithic Perovskite Solar Cells by Effect of Methylammonium (MAI)

In the present work, the performance of monolithic perovskite solar cells (mPSCs) was evaluated with regard to the concentration of methylammonium iodide (MAI) perovskites. The five different perovskite layers were carried out using different ratios of MAI:PbI2, labelled as A0, A1, A2, A3, and A4 accordingly, with corresponding ratios of 1:1, 1.1:1, 1.2:1, 1.3:1, and 1.4:1. In this study mPSCs with a sandwich type structure of glass/FTO/compact (c)-TiO2/mesoporous (mp)-TiO2/mesoporous (mp)-ZrO2/carbon was fabricated for this purpose. The fabricated mPSCs films were fully characterized by X-ray diffraction, Raman spectra and Filed emission scanning electron microscopy (FE-SEM). The photovoltaic characteristics were measured under AM 1.5, It was found that power conversion efficiency (PCE) increased with the increasing the concentration of MAI:PbI2 perovskites, from 1:1 to 1.1:1M. The maximum PCE of 17.68% was achieved mPSCs with MAI:PbI2 (1.1:1) as compared to mPSCs with MAI:PbI2 (1:1) PCE of 15.2%.

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来源期刊

Journal of Nano Research 工程技术-材料科学：综合

CiteScore

2.40

自引率

5.90%

发文量

审稿时长

4 months

期刊介绍： "Journal of Nano Research" (JNanoR) is a multidisciplinary journal, which publishes high quality scientific and engineering papers on all aspects of research in the area of nanoscience and nanotechnologies and wide practical application of achieved results. "Journal of Nano Research" is one of the largest periodicals in the field of nanoscience and nanotechnologies. All papers are peer-reviewed and edited. Authors retain the right to publish an extended and significantly updated version in another periodical.