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> (2019) Making solar cells is like buttering bread
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Дата 23.03.2019 10:33
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(2019) Making solar cells is like buttering bread
Источники:
- https://phys.org/news/2019-03-solar-cells-b...paign=item-menu
- Sampson Adjokatse et al, Scalable fabrication of high-quality crystalline and stable FAPbI3 thin films by combining doctor-blade coating and the cation exchange reaction, Nanoscale (2019). DOI: 10.1039/C8NR10267H (Read more at: https://phys.org/news/2019-03-solar-cells-b...bread.html#jCp)

QUOTE
Formamidinium lead iodide is a very good material for photovoltaic cells, but getting the correct stable crystal structure is a challenge. The techniques developed so far have produced poor results. However, University of Groningen scientists, led by Professor of Photophysics and Optoelectronics Maria Antonietta Loi, have now cracked it using a blade and a dipping solution. The results were published in the journal Nanoscale on 15 March 2019.

Formamidinium lead iodide (FAPbI3) is a perovskite, a crystal with a distinctive structure. Perovskites are named after a mineral that has the chemical formula ABX3. In an idealized cubic unit cell, the X position is occupied by anions that form an octahedron with a central cation in the B position while the corners of the cube are occupied by the A position cations (see picture).


Read more at: https://phys.org/news/2019-03-solar-cells-b...-bread.html#jCp


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