无铅cssni3基钙钛矿太阳能电池结构优化

IF 5.8 4区工程技术 Q1 MECHANICS

Applied Rheology Pub Date : 2023-01-01 DOI:10.1515/arh-2022-0138

Hayat Arbouz

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引用次数: 4

摘要

摘要钙钛矿被认为是最有前途的最新一代太阳能电池材料。然而，由于其成分中存在铅，开发无毒的钙钛矿电池已成为实现其大规模生产的重要目标。在这项工作中，我们模拟、建模并优化了单个太阳能电池的结构，该电池由无毒的铯-锡-碘CsSnI3钙钛矿吸收体组成，其低带隙能量值为1.3 eV，分别在作为ETL和HTL层的TiO2和PTAA材料之间。提出了一个描述载流子过程和界面缺陷密度影响的模拟模型。提出了几种基于替代ETL和HTL材料的结构。基于所获得的结果，提出了一种最佳的器件结构。当V oc=0.829时，获得了19.92%的效率 V、 J sc=30.68 mA/cm2和FF＝73.33%。然而，在串联配置中，使用最佳结构作为底部单元可以实现29.22%。

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Optimization of lead-free CsSnI3-based perovskite solar cell structure

Abstract Perovskites are considered the most promising material for the latest generation of solar cells. However, due to the presence of lead in their composition, the development of non-toxic Perovskite cells has become an essential goal to enable their large-scale production. In this work, we have simulated, modeled and optimized the structure of a single solar cell that consists of a non-toxic cesium–tin–iodine CsSnI3 Perovskite absorber with a low band gap energy value of 1.3 eV, between TiO2 and PTAA materials as ETL and HTL layers, respectively. A simulation model describing the charge carrier processes and the effect of interface defect density is presented. Several structures based on alternative ETL and HTL materials are proposed. An optimal device structure is proposed based on the results obtained. An efficiency of 19.92% is obtained with V oc = 0.829 V, J sc = 30.68 mA/cm2 and FF = 73.33% using SnO2 and Spiro-OMeTAD as ETL and HTL materials. However, 29.22% is achieved using the optimal structure as the bottom cell in a tandem configuration.

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来源期刊

Applied Rheology 物理-力学

CiteScore

3.00

自引率

5.60%

发文量

审稿时长

>12 weeks

期刊介绍： Applied Rheology is a peer-reviewed, open access, electronic journal devoted to the publication in the field of applied rheology. The journal provides the readers with free, instant, and permanent access to all content worldwide; and the authors with extensive promotion of published articles, long-time preservation, language-correction services, no space constraints and immediate publication.