Themed collection Perovskites

Recently, perovskite nanocrystals (NCs) have become highly promising materials due to their unique optical and electrical properties such as high absorption coefficient, high photoluminescence quantum yield, and long exciton diffusion length.

In recent years, inorganic CsPbBr₃-based perovskites have accomplished considerable progress owing to their superior stability under harsh humid environment.

Polymorphism in metal halide perovskites follow similar temperature- and pressure-dependent trends across compositions and can significantly influence the optoelectronic performance of these materials.

In the current review, we have reported the practical potential of PSCs, strategies, challenges, and approaches towards large-area scale PSC modules via different deposition techniques as well as functional materials for the device architecture.

A perovskite solar cell is produced using the scalable technique aerosol-assisted chemical vapour deposition for the first time. This is achieved by using a 2-step process with lead acetate as the lead source and methanol as the solvent.

We report giant reversible barocaloric effects in [(CH₃)₄N]Mn[N₃]₃ hybrid organic–inorganic perovskite, near its first-order cubic-monoclinic structural phase transition at T₀ ∼ 305 K.

Tin-halide perovskites have great potential as photovoltaic materials, but their performance is hampered by undesirable oxidation of Sn(II) to Sn(IV). NMR proves DMSO to be a main cause of oxidation.

Drop on demand inkjet printing of monolithic mesoscopic carbon-based perovskite solar cells is demonstrated, highlighting the potential of customizable solar cells for aesthetic indoor and outdoor photovoltaic deployment.

Effects of mixed-valence states of europium (Eu)-incorporated CH(NH₂)₂PbI₃ (FAPbI₃) and CH₃NH₃PbI₃ (MAPbI₃) perovskite crystals on electronic structures were investigated by first-principles calculation.

Hexylammonium iodide post deposition treatment forms a passivation layer on top of the 3D perovskite which enhance the device efficiency.

First-principles calculations predict the stability and mobility of vacancy defects in niobium perovskite oxynitrides, aiding defect engineering for enhanced photocatalysis.

Herein, with the aid of Euler angles, the interplay between the organic CH₃NH₃ (MA) cation and the inorganic BiSeI₂ framework is investigated.

Halide perovskites have emerged as the most potential candidate for the next-generation solar cells.

Designed dual-activators in double perovskite according to site-beneficial occupation principle for optical thermometry.

Highly luminescent and stable two-dimensional tin-halide perovskites for LED lighting applications were achieved through alkylamine screening and zinc doping.

A comprehensive analysis of the compositional heterogeneity and carrier dynamics in novel rubidium-doped 3D/2D perovskites is investigated, showing a PCE over 20% and improved stability at ≈50% relative humidity without encapsulation.

Monoclinic (P2₁/n) structure of B-site ordered double perovskites Ba₂R_2/3TeO₆ (R = Y, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) is elucidated from XRD, Raman and IR spectroscopy. The maximum relative temperature sensitivity of Ba₂Y_2/3TeO₆:Eu³⁺ between 300–500 K is 0.18% K⁻¹.

Owing to their high conductivity and carrier mobility, the outstanding achievements of lead halide perovskites have been demonstrated in humidity sensor applications.

All-solution-processable ITO nanoparticulate electrodes were developed to replace carbon electrodes in mesoscopic hybrid tin-based PSCs to attain a record efficiency of 5.4%.

This work reports stretchable gold nanowires grown on M13 bacteriophage in perovskite solar cells, which is the first demonstration of the M13 virus as a stretchable transparent electrode.

The members of the perovskite oxide family have been vastly explored for their potential as active electrocatalysts for an efficient anodic reaction (i.e. the oxygen evolution reaction, OER) of the water splitting process.

Utilizing cation tuning and implementing divalent cation hollowing and passivation to achieve efficient and stable pure Sn-based perovskite solar cells.

Despite high photo-conversion efficiency, the short long-term stability and toxicity issues have prevented lead-based perovskites from becoming the standard in high efficiency solar cells.

In this article, we rationalize chemical pathways and kinetics of hybrid perovskites crystallization from binary solvent mixtures based on solvent binding strength, evaporation rate model, and in situ GIWAXS monitoring.

In this work, a subnanosheet CH₃NH₃PbI₃ perovskite with a side length of 260 nm was successfully structurally transformed into a microwire shape with a radius of 1.8 μm and a length of 4.2 μm via temperature tuning and solvent effects.

Structural and optical high-pressure study of FASnBr₃ revealed a cubic to orthorhombic phase transition near 1.4 GPa accompanied by a huge band gap red-shift from 2.4 to 1.6 eV, which is followed by a blue-shift of ∼0.2 eV upon further pressure increase.

Two-dimensional hybrid lead(II) iodide perovskites with up to 13 days stability when directly immersed in water. The materials may lead to stable perovskite LEDs and solar cells.

The air stability of PSCs is enhanced by employing a TiO₂/Al₂O₃ bilayer mesoporous scaffold.

Herein, we report novel CaTiO₃ pyramids, prepared by a hydrothermal approach using calcium nitrate and titanium butoxide in the presence of sodium hydroxide.

Visible to NIR inorganic perovskite with reduced lead and high PV performance.

Fabrication of efficient halide perovskite solar cells under ambient conditions and their stability remain a challenge due to the sensitivity of halide perovskites to moisture, oxygen, light, and temperature.

This work presents an original nanostructured architecture for energy conversion applications based on vertically aligned carbon nanotubes (VACNTs).

Hybrid organic–inorganic perovskites have attracted intensive attention as the absorber layer in high-performance perovskite solar cells (PSCs).

An engineering approach is implemented for the performance and stability enhancement of perovskite solar cells, through the incorporation of bismuth telluride flakes in the electron transport layer (ETL) and as an interlayer on top of the ETL.