A low-cost and bendable “cage” for stable rigid and flexible perovskite solar cells with negligible lead leakage

IF 35.4 1区材料科学 Q1 CHEMISTRY, PHYSICAL Joule Pub Date : 2025-03-19 DOI:10.1016/j.joule.2024.101816

Haoxuan Liu (刘昊轩) , Zongxu Zhang (张宗旭) , Yating Shi (史娅婷) , Wei Ran (冉玮) , Hua Zhong (仲华) , Fei Zhang (张飞)

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Abstract

Research on reducing lead (Pb) leakage in flexible and rigid perovskite solar cells (PSCs) simultaneously is limited, with issues including high material cost or low adsorption efficiency. In this study, we developed a cost-effective (0.8 $/m²) and flexible mercaptosuccinic acid-modified polyvinyl alcohol (MMP) film with high Pb-adsorption capacity for rigid and flexible substrates. The formed ester and thiol groups binding to Pb²⁺ endowed the MMP film with excellent Pb-adsorption capacity. Combined with polydimethylsiloxane (PDMS), the PDMS-MMP film enabled a Pb sequestration efficiency (SQE) of 99% for rigid and flexible PSCs and modules, with no negative impact on their performance, operational stability and bending stability. This is the first study to achieve a 99% SQE in rigid and flexible PSCs and modules at a low cost, marking a significant advancement toward the safe commercialization of perovskite photovoltaic products.

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用于稳定的刚性和柔性过氧化物太阳能电池的低成本可弯曲 "笼子"，其漏铅量可忽略不计

同时减少柔性和刚性钙钛矿太阳能电池（PSCs）中铅泄漏的研究有限，存在材料成本高或吸附效率低等问题。在这项研究中，我们开发了一种具有高性价比（0.8美元/m2）和柔性的巯基琥珀酸改性聚乙烯醇（MMP）薄膜，该薄膜具有高的刚性和柔性基材的铅吸附能力。所形成的酯和巯基与Pb2+结合，使MMP膜具有优异的铅吸附能力。与聚二甲基硅氧烷（PDMS）结合，PDMS- mmp薄膜使刚性和柔性psc和组件的铅隔离效率（SQE）达到99%，并且对其性能、操作稳定性和弯曲稳定性没有负面影响。这是第一次以低成本在刚性和柔性PSCs和模块中实现99% SQE的研究，标志着钙钛矿光伏产品安全商业化的重大进步。

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来源期刊

Joule Energy-General Energy

CiteScore

53.10

自引率

2.00%

发文量

198

期刊介绍： Joule is a sister journal to Cell that focuses on research, analysis, and ideas related to sustainable energy. It aims to address the global challenge of the need for more sustainable energy solutions. Joule is a forward-looking journal that bridges disciplines and scales of energy research. It connects researchers and analysts working on scientific, technical, economic, policy, and social challenges related to sustainable energy. The journal covers a wide range of energy research, from fundamental laboratory studies on energy conversion and storage to global-level analysis. Joule aims to highlight and amplify the implications, challenges, and opportunities of novel energy research for different groups in the field.