Rapid, low-temperature, air plasma sintering of mesoporous titania electron transporting layers in perovskite solar cells

Investor logo

Warning

This publication doesn't include Faculty of Economics and Administration. It includes Faculty of Science. Official publication website can be found on muni.cz.
Authors

VIDA Július POSPISIL Jan SOUČEK Pavel WEITER Martin HOMOLA Tomáš

Year of publication 2023
Type Article in Periodical
Magazine / Source Solar Energy Materials and Solar Cells
MU Faculty or unit

Faculty of Science

Citation
Web https://doi.org/10.1016/j.solmat.2023.112562
Doi http://dx.doi.org/10.1016/j.solmat.2023.112562
Keywords Perovskite solar cell; Plasma sintering; Electron transport layer; Mesoporous TiO2; Low-temperature sintering
Description Reducing the sintering temperature and time of mesoporous titanium dioxide (m-TiO2) from the standard thermal approach of baking at 500 °C for 1 h is an important step for employment of mesoscopic perovskite solar cells (PSCs). We present a robust method based on atmospheric pressure ambient air plasma of the diffuse coplanar surface barrier discharge (DCSBD) for sintering of m-TiO2 in 2.5 min at 70 °C. When implemented in PSCs as an electron transport layer an efficiency of (15.8 ± 1.0) % was achieved, which is on the same level as a standard thermal approach. The organic moieties which hinder the perovskite infiltration into the porous structure were removed to a similar extent as the thermal sintering. The approach does not affect the conduction band alignment with the perovskite absorber and an appropriate energy offset is preserved.
Related projects:

You are running an old browser version. We recommend updating your browser to its latest version.