Low-Cost Fabrication of Efficient Perovskite Photovoltaics Using Low-Purity Lead Iodide via Powder Engineering,ACS Applied Materials & Interfaces

当前位置： X-MOL 学术 › ACS Appl. Mater. Interfaces › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Low-Cost Fabrication of Efficient Perovskite Photovoltaics Using Low-Purity Lead Iodide via Powder Engineering
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2023-04-20 , DOI: 10.1021/acsami.3c00358
Ruixuan Jiang ₁ , Yuchen Luan ₁ , Jing Li ₁ , Feng Ye ₁ , Shujie Zhang ₁ , Zhiwei Su ₁ , Chengkai Jin ₁ , Guoqing Tong ₂ , Jinhui Tong ₁ , Fuzhi Huang ₁ , Yi-Bing Cheng _{1,

3} , Tongle Bu ₁

Affiliation

Low cost is the eternal theme for any commercial production. Numerous efforts have been explored to realize low-cost, high-efficiency perovskite solar cells (PSCs), such as replacing the traditional spin-coating method with an economical printing strategy, simplifying the device structure, reducing the number of functional layers, etc. However, there are few reports on the use of low-cost precursors. Herein, we enable the low-cost fabrication of efficient PSCs based on a very cheaper low-purity PbI₂ via powder engineering. The low-purity PbI₂ is blended with formamidinium iodide followed by dissolving in a 2-methoxyethanol solvent, and then, the high-quality FAPbI₃ powders are formed via an inverse temperature crystallization process and solvent washing after several simple processes to reduce the impurities. As a result, the devices fabricated using the as-synthesized black powders based on the low-purity PbI₂ exhibit a champion power conversion efficiency (PCE) of 23.9% and retained ∼95% of the initial PCE after ∼400 h of storage in the conditions of 25 ± 5 °C and 25 ± 5 RH% without encapsulation. In addition, the upscaling fabrication of a 5 cm × 5 cm solar minimodule also demonstrates an impressive efficiency of 19.5%. Our findings demonstrate an economic strategy for the commercialization of PSCs from the perspective of low-cost production.

中文翻译：

通过粉末工程使用低纯度碘化铅低成本制造高效钙钛矿光伏电池

低成本是任何商业制作的永恒主题。人们已经探索了许多努力来实现低成本、高效率的钙钛矿太阳能电池（PSC），例如用经济的印刷策略取代传统的旋涂方法、简化器件结构、减少功能层的数量等。然而，很少有关于使用低成本前体的报道。在此，我们通过粉末工程实现了基于非常便宜的低纯度 PbI ₂的高效 PSC 的低成本制造。将低纯度PbI ₂与甲脒碘化物混合后溶解于2-甲氧基乙醇溶剂中，然后得到高质量的FAPbI ₃经过几个简单的过程以减少杂质后，通过逆温结晶过程和溶剂洗涤形成粉末。因此，使用基于低纯度 PbI ₂的合成黑色粉末制造的器件表现出 23.9% 的冠军功率转换效率 (PCE)，并且在储存约 400 小时后保留初始 PCE 的约 95% 25 ± 5 °C 和 25 ± 5 RH% 的条件，无封装。此外，5 cm × 5 cm 太阳能微型模块的放大制造也展示了令人印象深刻的 19.5% 的效率。我们的研究结果从低成本生产的角度证明了 PSC 商业化的经济策略。

更新日期：2023-04-20

点击分享查看原文

点击收藏

阅读更多本刊新发论文本刊介绍/投稿指南