Themed collection Perovskites
Growth mechanism of metal halide perovskite single crystals in solution
The difference in the growth mechanism between MHP SCs in solution and traditional SCs synthesized by the melting method is specifically focused on, encompassing a discussion of the dissolution, nucleation, and growth processes.
Solvent–antisolvent interactions in metal halide perovskites
This feature article outlines the impact of solvent–antisolvent interactions on the film formation processes of metal halide perovskites.
Lead-free perovskite-inspired semiconductors for indoor light-harvesting – the present and the future
Perovskite-inspired absorbers are promising for sustainable indoor light-harvesting. Defect mitigation and device operational stability need attention to accelerate the development of air-stable and low-toxicity photovoltaics.
Compositional gradient engineering and applications in halide perovskites
The compositional gradient engineering of halide perovskites is summarized, where carrier extraction can be promoted in optoelectronic devices and the multiple components on one device facilitate multi-spectral detection/emission applications.
Halide perovskites for sensitive, stable and scalable X-ray detection and imaging
Halide perovskites are developed to be sensitive, stable and scalable in the future commercialization process.
Precise modulation strategies of 2D/3D perovskite heterojunctions in efficient and stable solar cells
We summarize various effective methods for controlling the film thickness and structural phases in 2D/3D perovskite heterojunction structures and discuss possible solutions to improve the performance of perovskite devices.
Self-assembled halide perovskite quantum dots in polymer thin films showing temperature-controlled exciton recombination
Spontaneous assembly formation and thermal dissociation of self-assemblies of lead halide perovskite quantum dots embedded in a polymer host reversibly modulate the photoluminescence color, spectral maxima, and lifetime.
Mechanical milling processed highly luminescent Cs–Pb–Br perovskite emitters
We report well-dispersed highly emitting perovskite emitters synthesized via the surfactant-assisted ball-milling method.
A chiral two-dimensional perovskite-like lead-free bismuth(III) iodide hybrid with high phase transition temperature
[(S)-3-Aminopyrrolidinium I]2Bi2/3I4 is a novel chiral two-dimensional perovskite-like lead-free bismuth(III) iodide hybrid showing a high phase transition temperature and a narrow bandgap.
Ionic liquid enables high-performance, self-powered CsPbBr3 perovskite nanonet photodetector
By passivating the nanonet with ionic liquid, the optimal PD exhibits the best performance with a switch ratio of about 1.35 × 106, a LDR extending to 140 dB, and responsivity and detectivity values of 0.19 A W−1 and 4.31 × 1012 Jones, respectively.
Circularly polarized luminescence and nonlinear optical harmonic generation based on chiral zinc halides
The transfer of chirality from organics breaks inherent symmetry, leading to clear second-order NLO responses for chiral zinc halides. Additionally, successful CPL can be induced by doping chiral zinc halides with Sb3+ containing 5s2 electrons.
Surface termination passivation of imidazole-based diiodide enabling efficient inverted perovskite solar cells
Efficient and stable Cs/FA-based inverted PSCs were developed by introducing imidazole diiodide (APDI) for surface termination passivation.
Hexachlorotriphosphazene-assisted buried interface passivation for stable and efficient wide-bandgap perovskite solar cells
A buried interface treatment by hexachlorotriphosphazene is developed to suppress the open-circuit voltage (Voc) loss in wide bandgap perovskite solar cells (PerSCs). The PerSCs include a 1.67 eV absorber and deliver a high efficiency of 21.47%.
How fast do defects migrate in halide perovskites: insights from on-the-fly machine-learned force fields
Machine-learned force fields are used to explain the effects that defect types and perovskite compositions have on the migration of point defects in inorganic halide perovskites.
Zero-dimensional Cu(I)-based organometallic halide with green cluster-centred emission for high resolution X-ray imaging screens
Zero-dimensional cupper(I) organometallic metal halide, with a perovskite-related structure, exhibits an efficient green cluster-centred emission for next-generation X-ray imaging screens.
One-dimensional organic metal halide nanoribbons with dual emission
A 1D organic metal halide hybrid (C8H28N5Pb3Cl11) containing metal halide nanoribbons has been developed to exhibit efficient dual emission.
Crystal structure engineering of metal halide perovskites for photocatalytic organic synthesis
We investigated the effect of the crystal structure in Cs3BiBr6 and Cs3Bi2Br9 on the photocatalytic performance toward selective benzyl oxidation.
MACl enhanced electron extraction in all-inorganic Cs2AgBiBr6 perovskite photovoltaics
Organic-halide treatment is used to maximize electron extraction of Cs2AgBiBr6 solar cells with a PCE of 2.03% and excellent long-term stability.
Three-dimensional narrow-bandgap perovskite semiconductor ferroelectric methylphosphonium tin triiodide for potential photovoltaic application
We synthesized a novel A-site 3D OIHP ferroelectric, methylphosphonium tin triiodide (MPSnI3), with a narrow bandgap of 1.43 eV.
In situ formation of inorganic healing overlayer for interface-stabilized all-inorganic CsPbIBr2 perovskite solar cells
A perovskite layer functionalized to be an outermost screen can strongly affect the capacity of the underlying device to avoid becoming decomposed under external stimuli, and subsequently affect the photovoltaic performance as well.
About this collection
Perovskite materials are ubiquitous in a variety of research fields such as magnetism, ionic and electronic conduction, and catalysis. Hybrid organic-inorganic perovskites have also attracted an explosion of interest due to their potential applications in low cost solar cells. Research in these fields has demonstrated the flexibility and versatility of the perovskite structure, which allows the structure and properties to be tailored through appropriate chemical manipulations.
This collection highlights outstanding research and advances in all chemical aspects of perovskites research, and interdisciplinary work where there is a significant chemistry element.