Publication details

Perovskite Solar Cells with Low-Cost TiO2 Mesoporous Photoanodes Prepared by Rapid Low-Temperature (70 degrees C) Plasma Processing

Authors

HOMOLA Tomáš POSPISIL Jan SHEKARGOFTAR Masoud SVOBODA Tomáš HVOJNIK Matej GEMEINER Pavol WEITER Martin DZIK Petr

Year of publication 2020
Type Article in Periodical
Magazine / Source ACS Applied Energy Materials
MU Faculty or unit

Faculty of Science

Citation
Web https://doi.org/10.1021/acsaem.0c02144
Doi http://dx.doi.org/10.1021/acsaem.0c02144
Keywords ambient-air plasma; cold plasma treatment; TiO2 mesoporous coatings; electron-transport layer (ETL); perovskite solar cell (PSC)
Description This work introduces a novel method of low-temperature (70 degrees C) ambient-air plasma treatment for the rapid fabrication of mesoporous titania/polysiloxane thin films in perovskite solar cells. The mesoporous titania/polysiloxane nanocomposite mesoporous layers were prepared using wet coating compatible with plasma post-treatment, leading to a significant and rapid (1 min) removal of the organic part of the polysiloxane binder, together with its transformation into amorphous silica. The application of a plasma-processed mesoporous titania/silica photoanode in a perovskite solar cell resulted in a power conversion efficiency of similar to 12%, demonstrating for the first time the feasibility of such a cold plasma processing approach for perovskite solar cell manufacture.
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