Biological impact of lead from halide perovskites reveals the risk of introducing a safe threshold

被引：436
作者：
Li, Junming [1 ,2 ,3 ]
Cao, Hai-Lei [1 ]
Jiao, Wen-Bin [1 ]
Wang, Qiong [2 ]
Wei, Mingdeng [3 ]
Cantone, Irene [4 ,5 ]
Lu, Jian [1 ]
Abate, Antonio [2 ,3 ]
机构：
[1] Fujian Agr & Forestry Univ, Coll Resources & Environm, Fujian Prov Key Lab Soil Environm Hlth & Regulat, Fuzhou 350002, Fujian, Peoples R China
[2] Helmholtz Zentrum Berlin Mat & Energie, D-12489 Berlin, Germany
[3] Fuzhou Univ, Fujian Prov Key Lab Electrochem Energy Storage Ma, Fuzhou 350002, Fujian, Peoples R China
[4] Univ Naples Federico II, Dipartimento Med Mol & Biotecnol Med, Via Pansini 5, I-80131 Naples, Italy
[5] IEOS, CNR, Via Pansini 5, I-80131 Naples, Italy
来源：
NATURE COMMUNICATIONS | 2020年 / 11卷 / 01期
基金：
中国国家自然科学基金;
关键词：
EFFICIENT; SOIL;
D O I：
10.1038/s41467-019-13910-y
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Regulations currently in force enable to claim that the lead content in perovskite solar cells is low enough to be safe, or no more dangerous, than other electronics also containing lead. However, the actual environmental impact of lead from perovskite is unknown. Here we show that the lead from perovskite leaking into the ground can enter plants, and consequently the food cycle, ten times more effectively than other lead contaminants already present as the result of the human activities. We further demonstrate that replacing lead with tin represents an environmentally-safer option. Our data suggest that we need to treat the lead from perovskite with exceptional care. In particular, we point out that the safety level for lead content in perovskite-based needs to be lower than other lead-containing electronics. We encourage replacing lead completely with more inert metals to deliver safe perovskite technologies.
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页数：5
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