Themed collection Perovskites
Metal halide perovskite nanocrystals: application in high-performance photodetectors
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.
All-inorganic CsPbBr3 perovskite: a promising choice for photovoltaics
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
Polymorphism in metal halide perovskites follow similar temperature- and pressure-dependent trends across compositions and can significantly influence the optoelectronic performance of these materials.
Challenges and approaches towards upscaling the assembly of hybrid perovskite solar cells
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.
Novel scalable aerosol-assisted CVD route for perovskite solar cells
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.
Near-room-temperature reversible giant barocaloric effects in [(CH3)4N]Mn[N3]3 hybrid perovskite
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.
Origin of Sn(II) oxidation in tin halide perovskites
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.
Inkjet printed mesoscopic perovskite solar cells with custom design capability
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 Eu-doped FAPbI3 perovskite crystals studied by first-principles calculation
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.
Two-dimensional or passivation treatment: the effect of hexylammonium post deposition treatment on 3D halide perovskite-based solar cells
Hexylammonium iodide post deposition treatment forms a passivation layer on top of the 3D perovskite which enhance the device efficiency.
Anion ordering and vacancy defects in niobium perovskite oxynitrides
First-principles calculations predict the stability and mobility of vacancy defects in niobium perovskite oxynitrides, aiding defect engineering for enhanced photocatalysis.
Data-driven analysis of the rotational energy landscapes of an organic cation in a substituted alloy perovskite
Herein, with the aid of Euler angles, the interplay between the organic CH3NH3 (MA) cation and the inorganic BiSeI2 framework is investigated.
Photo-energy conversion efficiency of CH3NH3PbI3/C60 heterojunction perovskite solar cells from first-principles
Halide perovskites have emerged as the most potential candidate for the next-generation solar cells.
Dual-emissive Ln3+/Mn4+ Co-doped double perovskite phosphor via site-beneficial occupation
Designed dual-activators in double perovskite according to site-beneficial occupation principle for optical thermometry.
Alkylamine screening and zinc doping of highly luminescent 2D tin-halide perovskites for LED lighting
Highly luminescent and stable two-dimensional tin-halide perovskites for LED lighting applications were achieved through alkylamine screening and zinc doping.
Unraveling the compositional heterogeneity and carrier dynamics of alkali cation doped 3D/2D perovskites with improved stability
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.
Distortion induced structural characteristics of Ba2R2/3TeO6 (R = Y, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu) double perovskites and their multifunctional optical properties for lighting and ratiometric temperature sensing
Monoclinic (P21/n) structure of B-site ordered double perovskites Ba2R2/3TeO6 (R = Y, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) is elucidated from XRD, Raman and IR spectroscopy. The maximum relative temperature sensitivity of Ba2Y2/3TeO6:Eu3+ between 300–500 K is 0.18% K−1.
A reversible and fast-responsive humidity sensor based on a lead-free Cs2TeCl6 double perovskite
Owing to their high conductivity and carrier mobility, the outstanding achievements of lead halide perovskites have been demonstrated in humidity sensor applications.
Solution-processed ITO nanoparticles as hole-selective electrodes for mesoscopic lead-free perovskite solar cells
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%.
M13 bacteriophage-templated gold nanowires as stretchable electrodes in perovskite solar cells
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.
Oxygen evolution reaction activity and underlying mechanism of perovskite electrocatalysts at different pH
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.
Tuning cesium–guanidinium in formamidinium tin triiodide perovskites with an ethylenediammonium additive for efficient and stable lead-free perovskite solar cells
Utilizing cation tuning and implementing divalent cation hollowing and passivation to achieve efficient and stable pure Sn-based perovskite solar cells.
Novel zero-dimensional lead-free bismuth based perovskites: from synthesis to structural and optoelectronic characterization
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.
Hybrid perovskite crystallization from binary solvent mixtures: interplay of evaporation rate and binding strength of solvents
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.
Photoelectronic mechanism investigation of the structural transformation of CH3NH3PbI3 perovskites from a subnanosheet to a microwire
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.
Origin of pressure-induced band gap tuning in tin halide perovskites
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.
Water-resistant 2D lead(II) iodide perovskites: correlation between optical properties and phase transitions
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.
A bilayer TiO2/Al2O3 as the mesoporous scaffold for enhanced air stability of ambient-processed perovskite solar cells
The air stability of PSCs is enhanced by employing a TiO2/Al2O3 bilayer mesoporous scaffold.
Hydrothermally grown novel pyramids of the CaTiO3 perovskite as an efficient electrode modifier for sensing applications
Herein, we report novel CaTiO3 pyramids, prepared by a hydrothermal approach using calcium nitrate and titanium butoxide in the presence of sodium hydroxide.
The properties, photovoltaic performance and stability of visible to near-IR all inorganic perovskites
Visible to NIR inorganic perovskite with reduced lead and high PV performance.
Ambient condition-processing strategy for improved air-stability and efficiency in mixed-cation perovskite solar cells
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.
Electrodeposited ZnO nanoparticles on vertically aligned carbon nanotubes (VACNTs) as promising charge extracting electrodes for halide perovskite devices
This work presents an original nanostructured architecture for energy conversion applications based on vertically aligned carbon nanotubes (VACNTs).
High-efficiency perovskite solar cells with poly(vinylpyrrolidone)-doped SnO2 as an electron transport layer
Hybrid organic–inorganic perovskites have attracted intensive attention as the absorber layer in high-performance perovskite solar cells (PSCs).
A two-fold engineering approach based on Bi2Te3 flakes towards efficient and stable inverted perovskite solar cells
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.
About this collection
This article collection highlights some of the most recent articles in Materials Advances on perovskites. Perovskites have wide-ranging applications including in photovoltaics, LEDs and display technology. Containing both reviews and original research, this collection includes work on synthesis, properties, structural considerations, and covers applications in solar cells, optics and lighting.