Green encapsulants boost stability and sustainability in inverted perovskite solar cells.

IF 15.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Nature Communications Pub Date : 2025-10-09 DOI:10.1038/s41467-025-64031-8

Yan Yang,Jianming Zhao,Hanjun Yang,Xia Yang,Ying Lu,Zengqi Huang,Shuwang Duo,Zhihua Xiong,Xiaotian Hu

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Abstract

Perovskite solar cells (PSCs) demonstrate potential for sustainable energy transitions, however their commercialization is impeded by lead toxicity and environmental leakage risks. Herein, it is an effective way to implant a cellulose material with multiple adsorption modes and sites, hydroxypropyl methylcellulose phthalate (HPMCP), which plays a covering role in perovskite crystal and achieves environmental friendliness through effectually suppressing lead leakage. Meanwhile, we have devised a series of multidimensional experimental scheme to assess the impact of lead leakage on the ecosystem from the perspective of cell survival rates and plant growth. HPMCP-modified PSC has a relatively low impact on plant growth and germination, exhibiting a germination rate of 92.3% compared to the blank group (without lead contamination). Moreover, the HPMCP-modified PSCs acquire optimal power conversion efficiency of 26.27% and manifest remarkable environmental stability. This work establishes an environmental and health risk assessment benchmark for PSCs, enabling sustainable deployment.

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绿色封装剂提高了倒钙钛矿太阳能电池的稳定性和可持续性。

钙钛矿太阳能电池（PSCs）显示出可持续能源转型的潜力，但其商业化受到铅毒性和环境泄漏风险的阻碍。本文将具有多种吸附模式和位点的纤维素材料羟丙基甲基纤维素邻苯二甲酸酯（HPMCP）植入钙钛矿晶体中，起到覆盖作用，并通过有效抑制铅泄漏实现环境友好。同时，我们设计了一系列多维实验方案，从细胞存活率和植物生长的角度评估铅泄漏对生态系统的影响。hpmcp修饰的PSC对植物生长和萌发的影响相对较小，与空白组（未受铅污染）相比，发芽率为92.3%。此外，hpmcp修饰的PSCs获得了26.27%的最佳功率转换效率，并表现出良好的环境稳定性。这项工作为psc建立了环境和健康风险评估基准，从而实现可持续部署。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nature Communications Biological Science Disciplines-

CiteScore

24.90

自引率

2.40%

发文量

6928

审稿时长

3.7 months

期刊介绍： Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.