Semi‐Transparent Blade‐Coated FAPbBr₃ Perovskite Solar Cells: A Scalable Low‐Temperature Manufacturing Process under Ambient Condition

Abstract

Perovskite photovoltaics (PVs) is an emerging PV technology that attracts interest thanks to an unprecedented combination of properties, including the ease of the bandgap tunability. The feasibility to deploy wide bandgap absorbers (>2.2 eV) leading to high average visible transmittance (AVT) is particularly intriguing for building‐integrated PVs, in particular for smart windows, façades, and agrivoltaics. However, research on this topic is still at the initial stage, especially concerning the development of scalable deposition techniques. Uniform coverage and morphology control of bromide perovskite film are the main issues to tackle. Herein, a systematic study on the development of FAPbBr3‐based semi‐transparent perovskite solar cell (ST‐PSC) is presented by replacing spin‐coating as the main deposition technique used for the device fabrication. To tackle this topic, the blade coating technique is employed to obtain a manufacturing flow performed at low temperature in the air environment. The results for the blade‐coated device show a power conversion efficiency of 5.8%, AVT of 52.3%, and bifacial factor of 86.5%. Moreover, scalable and uniform FAPbBr3 deposition on 300 cm2 substrates is presented for the first time. The combination of low temperature, scale‐up capability, and air processing along with promising PV performances represent a feasible platform for the future exploitation of PSC in building integrated photovoltaic.

Influence of Shell Thickness on the Photophysical Properties of Core—Shell Perovskite Nanocrystals

“…[ 46 ] The lattice constant was adjusted directly to modulate the corresponding strain conditions. The calculated bandgap values of FAPbBr 3 /CsPbBr 3 materials kept a high consistency with previous studies, [ 47–49 ] which confirmed the validity of this calculation methodology.…”

Bifacial dye-sensitized solar cells for indoor and outdoor renewable energy-based application

“…71 Fluorine-doped tin oxide (FTO) and indium tin oxide (ITO) are the most utilized semiconductor-based ternary compounds 49 in thin-film solar cell of the third generation. ITO is widely exploited in DSSC but also in PSC 42 as TCO or top electrode due to the capacity to produce high visible light transmittance (85%), low electrical resistivity (10 Ω), and good adhesion strength to various substrates. However, several drawbacks are discouraging its application since indium is a critical raw material.…”

Pinhole Patching by Free Radicals for Highly Efficient Perovskite Solar Cells Fabricated in High-Moisture Environments

“…The ambient moisture accelerates crystal growth that results in poor morphology, incomplete surface coverage, pinholes, and reduced efficiency. , Therefore, to solve the moisture issue, most reported PSCs were prepared in a glovebox under a nitrogen atmosphere to prevent moisture damage. Considering the manufacturing cost and commercial application, developing a fabrication process of PSCs under the ambient conditions is highly desirable. − …”