Author
Listed:
- Salvatore Valastro
(CNR-IMM)
- Emanuele Smecca
(CNR-IMM)
- Giovanni Mannino
(CNR-IMM)
- Corrado Bongiorno
(CNR-IMM)
- Giuseppe Fisicaro
(CNR-IMM)
- Stefan Goedecker
(University of Basel)
- Valentina Arena
(CNR-IMM)
- Carlo Spampinato
(CNR-IMM
Università Degli Studi di Messina)
- Ioannis Deretzis
(CNR-IMM)
- Sandro Dattilo
(CNR-IPCB)
- Andrea Scamporrino
(CNR-IPCB)
- Sabrina Carroccio
(CNR-IPCB)
- Enza Fazio
(Università Degli Studi di Messina)
- Fortunato Neri
(Università Degli Studi di Messina)
- Francesco Bisconti
(CNR-NANOTEC)
- Aurora Rizzo
(CNR-NANOTEC)
- Corrado Spinella
(CNR-IMM)
- Antonino Magna
(CNR-IMM)
- Alessandra Alberti
(CNR-IMM)
Abstract
As the market uptake of perovskite solar cells (PSCs) is projected to grow rapidly, this clean energy technology will play an increasingly important role in reducing the global carbon footprint. However, one of the major barriers to its full commercialization is the presence of toxic lead (Pb), which enables the current record in photoconversion efficiency but risks being released into the environment when subjected to water or rain. Here we show that Pb leakage can be prevented by applying a transparent titanium dioxide (TiO2) sponge that allows for an efficient Pb sequestration of 58 ng cm−2 nm−1. Already an essential material for PSCs, the additional use of TiO2 through a scalable and solvent-free sputtering process promises extra cost benefits and higher sustainability. Further demonstration of the sponge application with desired thickness on ready-to-use devices, glass and polymeric foils enforces the practical value of the current approach. Our study provides a sustainable solution to one of the environmental and health risks of PSCs and would accelerate their practical applications.
Suggested Citation
Salvatore Valastro & Emanuele Smecca & Giovanni Mannino & Corrado Bongiorno & Giuseppe Fisicaro & Stefan Goedecker & Valentina Arena & Carlo Spampinato & Ioannis Deretzis & Sandro Dattilo & Andrea Sca, 2023.
"Preventing lead leakage in perovskite solar cells with a sustainable titanium dioxide sponge,"
Nature Sustainability, Nature, vol. 6(8), pages 974-983, August.
Handle:
RePEc:nat:natsus:v:6:y:2023:i:8:d:10.1038_s41893-023-01120-w
DOI: 10.1038/s41893-023-01120-w
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