Themed collection Perovskite solar cells

Machine learning offers new tools to transform scientific research. This review highlights the recent advancements, opportunities and challenges of machine learning for materials scientists focusing on perovskite-based solar cells.

Inorganic perovskite solar cells have attracted significant attention. This review comprehensively discusses challenges and recent strategies for Pb-, Sn-, and Pb–Sn-based inorganic perovskite solar cells to improve their performance and stability.

The release and diffusion of corrosive iodine species limit perovskite solar cell (PSC) stability. An organic-MoO₃ composite hole transport layer (HTL) with enhanced thermal stability is devised to suppress iodine diffusion and improve PSC stability.

Cooperative phase–interface modulation employing isopropanol antisolvent enables Br-containing perovskite solar cells to achieve 1.24 V V_OC and 24.33% PCE, with an ultralow 0.38 V voltage loss, advancing eco-friendly high-performance photovoltaics.

Perylene- and naphthalene-doped SWCNT films act as cathodes in inverted perovskite solar cells, exhibiting new unoccupied states for efficient charge transfer pathway, boosting electron extraction, and enhancing stability for metal-free p–i–n PSCs.

Semi-transparent, flexible, and coloured solar cells are highly attractive for building-integrated photovoltaics (BIPV) and indoor PV applications.

Methylamine gas treatment effectively stabilizes the power conversion efficiency (PCE) during the up-scaling of perovskite solar cell devices, ensuring consistent performance across larger active areas.

The nature of terminal functional groups in passivating agents influences the optoelectronic properties and photovoltaic performance of perovskite solar cells.

Large-area close-space sublimation enables scalable fabrication of uniform perovskite films, yielding solar cells with 18.8% power conversion efficiency and 90% performance retention after 1000 hours of operation at 75 °C and 1 sun illumination.

An amorphous carbon-rich conductive phase formed at 85 °C and 1 sun operation, causing carrier shunt losses in perovskite solar cells, is mitigated by additives at grain boundaries. MXene-interlayer prevents delamination during thermal expansion.

Oxygen inducing effect in metal halide perovskite thin films plays a crucial role in increasing the efficiency and stability of perovskite solar cells.

While the low-energy side of the ΔA curves remains stable over time, the high-energy side changes dramatically, reflecting hot carrier thermalization, which occurs at different rates on the hole and electron transport sides in perovskite solar cells.

Single-crystalline MAPbCl₃ thin films grown via space-confined ITC enable transparent solar cells with a V_OC of 1.64 V and 1.1% PCE. They also advance X-ray voltaics, showing 0.89 V V_OC and 3.57 μW cm⁻² output power under X-ray irradiation.

Schematic measurement of bifacial illumination with simulated scenarios of clear sky, overcast sky, and indoor conditions.

C₆₀-buffered SS-based PSCs maintain efficiency and stability under bending, enabling flexible BIPV and VIPV applications.

Vapor phase deposition processes hold great potential for industrializing the deposition of perovskite-based absorbers, offering a pathway to commercialization.

Environmental needs and international regulations urgently ask for a robust practice for the recycling and reusing of critical components of perovskite solar cells (PSCs) to reduce the primary material demand and energy consumption.

We report on an examination of mobile ion concentration (N₀) in perovskite solar cells (PSCs) as a function of temperature and device architecture.

Humid atmosphere annealing enhances interdiffusion in sequentially evaporated perovskites, leading to improved crystallinity and reduced non-radiative recombination. This boosts PLQY and raises PCE to 21.0%, while enhancing stability under 85 °C and full-spectrum illumination.

Thermal co-evaporation of halide perovskites is a solution-free, conformal, scalable, and controllable deposition technique with great potential for commercial applications, particularly in multi-junction solar cells.