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Home > Press > Scientists have proposed a new material for perovskite solar cells: It is cheaper its analogues, easier to manufacture and to modify

Solar cells elements developed by researchers

CREDIT
UrFU / Rodion Narudinov
Solar cells elements developed by researchers CREDIT UrFU / Rodion Narudinov

Abstract:
A new type of material for one of the solar cells was proposed by specialists of the Ural Federal University (UrFU) and the Institute of Organic Synthesis of the Ural Branch of the Russian Academy of Sciences together with their colleagues. The compounds found will significantly reduce the cost of solar cell production. The article was published in the New Journal of Chemistry.

Scientists have proposed a new material for perovskite solar cells: It is cheaper its analogues, easier to manufacture and to modify

Ekaterinburg, Russia | Posted on October 28th, 2022

Perovskite solar cells (PSCs) are a promising alternative to the familiar silicon cells, providing the same amount of energy with 180 times less material thickness. Their production technology is much simpler and cheaper than that of silicon cells. The problem with PSCs is its lack of stability. One of the most effective solutions today, the specialists explained, is the selection of new materials that ensure the transport of charge carriers after it is obtained in the perovskite layer itself.

Scientists from the UrFU and the UB RAS have proposed a new type of material for transporting electrons in PSCs, which has a number of advantages. According to the authors, with the new material they were able to achieve solar energy conversion efficiency of 12%, which is comparable with the average performance of market counterparts.

“The family of molecules we found carries electrons in PSCs slightly worse than the fullerenes used today, but they are about twice as cheap, much easier to produce, and have a number of other technological advantages,” says Gennady Rusinov, associate professor at the Department of Organic Synthesis Technology of UrFU.

Although fullerenes, according to scientists, are the most sought-after electron-transport material for PSCs, they have problems with morphological stability and low light absorption, as well as great difficulty in modifying electronic properties. The costs of synthesis and purification of fullerenes in some cases make their application economically inefficient.

“Our molecules are devoid of the main drawbacks of fullerenes, and their synthesis is very simple, even in large quantities. The optical, electrochemical and electronic properties of our molecules are easily modified. In addition, they are dipoles, which opens up a number of possibilities for improving PSCs,” said Gennady Rusinov.

Researchers from the Ural Federal University and the Institute of Cosmophysical Research of the Ural Branch of the Russian Academy of Sciences proposed a complete synthesis technique for the new molecules and also studied their thermal stability, electronic and optical properties.

It should be noted that the research was carried out jointly with scientists from IMET UB RAS, IPC RAS, and NITU "MISIS". In the future, the research team intends to continue searching for new materials for solar cells.

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Contacts:
Anna Marinovich
Ural Federal University

Office: 343-389-94-07
Cell: 961-770-6024

Copyright © Ural Federal University

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