Themed collection Editor’s Choice: Perovskite Nanomaterials and Devices
Nanoarchitectures in dye-sensitized solar cells: metal oxides, oxide perovskites and carbon-based materials
Dye-sensitized solar cells (DSSCs) have aroused great interest as a potential renewable energy resource to fulfill the 21st century global energy demand.
Surface ligand modification of cesium lead bromide nanocrystals for improved light-emitting performance
Ammonium halide facilitated perovskite NC synthesis significantly improves the PLQY and the NC-based light-emitting performances.
Templated self-assembly of one-dimensional CsPbX3 perovskite nanocrystal superlattices
A simple kinetic approach to form self-assembled one-dimensional CsPbBr3 perovskite nanocrystal arrays templated inside a pod shaped inert PbSO4 scaffold.
Wafer-scale reliable switching memory based on 2-dimensional layered organic–inorganic halide perovskite
2D halide perovskite is promising material for reliable waferscale resistive memory even working at high temperature of 87 °C.
Highly stable CsPbBr3 quantum dots coated with alkyl phosphate for white light-emitting diodes
A simple strategy to synthesize TDPA coated CsPbBr3 QDs with improved stability and high PLQY.
Solution synthesis and phase control of inorganic perovskites for high-performance optoelectronic devices
Well-crystallized inorganic cesium lead halide perovskites were prepared by an efficient method and applied to photodetectors and perovskite solar cells.
Stable ultra-fast broad-bandwidth photodetectors based on α-CsPbI3 perovskite and NaYF4:Yb,Er quantum dots
Herein, the fabricated photodetectors based on α-CsPbI3 QDs and NaYF4:Yb,Er QDs exhibit remarkable stability, broad-bandwidth photodetection, and easy fabrication process.
Atomically thin cesium lead bromide perovskite quantum wires with high luminescence
Atomically thin CsPbBr3 quantum wires with a high quantum yield of 21.13% were demonstrated and understood.
Photo-induced dynamic processes in perovskite solar cells: the influence of perovskite composition in the charge extraction and the carrier recombination
We describe how the use of photo-induced charge extraction technique can be useful to study and understand the relationship between perovskite composition, ion reorganization process and solar cell efficiency.
Rb+ cations enable the change of luminescence properties in perovskite (RbxCs1−xPbBr3) quantum dots
All-inorganic metal halide perovskites of the formulation ABX3 (where A is Cs+, B is commonly Pb2+, and X is a halide, X = Cl, Br, I) have been studied intensively for their unique properties.
Spinel Co3O4 nanomaterials for efficient and stable large area carbon-based printed perovskite solar cells
Performance of scalable carbon-based perovskite solar cells (PSCs) is enhanced using a thin interlayer of spinel cobaltite oxide by suppressing charge recombination and enhancing holes extraction.
Surface engineering for improved stability of CH3NH3PbBr3 perovskite nanocrystals
Post treatment of the CH3NH3PbBr3 perovskite nanocrystals by surfactants with a similar molecular architecture results in the enhanced colloidal stability as well as much increased PLQY.
White light emission in Bi3+/Mn2+ ion co-doped CsPbCl3 perovskite nanocrystals
Taking advantage of the cooperation between the excitonic transition of the CsPbCl3 perovskite NC host and the intrinsic emissions from Bi3+ and Mn2+ ions, white light emission was developed in the codoped CsPbCl3 NCs.
All-inorganic perovskite nanocrystal assisted extraction of hot electrons and biexcitons from photoexcited CdTe quantum dots
Harvesting of hot electrons and biexcitons from CdTe quantum dots by all-inorganic perovskite nanocrystals is demonstrated through femtosecond transient absorption measurements.
Adsorbed carbon nanomaterials for surface and interface-engineered stable rubidium multi-cation perovskite solar cells
Adsorbed carbon nanomaterial based dual electron transport layer ensures more efficient and stable perovskite solar cells.
Perovskite photodetectors with both visible-infrared dual-mode response and super-narrowband characteristics towards photo-communication encryption application
Photo-communication has attracted great attention because of the rapid development of wireless information transmission technology.
Novel inorganic perovskite quantum dots for photocatalysis
Uniform CsPbX3 quantum dots were synthesized via an emulsion fabrication and demulsion method at room temperature. The as-prepared CsPbX3 QDs exhibit high synthetic yield and highly uniform morphology, as well as excellent photocatalytic activity toward the degradation of MO.
Reducing hole transporter use and increasing perovskite solar cell stability with dual-role polystyrene microgel particles
Using low-cost sub-micrometer microgel particles in perovskite solar cells reduces expensive conjugated polymer use, increases stability and provides good efficiencies.
Gold and iodine diffusion in large area perovskite solar cells under illumination
Elemental migration has been observed at the nanoscale in perovskite solar cells after prolonged light exposure under operational conditions.
Perovskite solar cells with a DMSO-treated PEDOT:PSS hole transport layer exhibit higher photovoltaic performance and enhanced durability
The perovskite films with larger grains and increased crystallinity on DMSO-doped PEDOT:PSS result in a 37% boost in the power conversion efficiency(PCE). Moreover, DMSO-doped PEDOT:PSS devices possess enhanced PCE durability over time.
Efficient perovskite solar cells by combination use of Au nanoparticles and insulating metal oxide
Herein, we demonstrate the enhancement in the performance of perovskite solar cells through the combined use of Au NPs and MgO, both experimentally and theoretically.
Effect of the solvent used for fabrication of perovskite films by solvent dropping on performance of perovskite light-emitting diodes
This research confirms that the effect of the solvent in solvent dropping method is to fabricate a uniform perovskite film and to passivate the defect sites of the perovskite crystal films.
Bandgap tunable Csx(CH3NH3)1−xPbI3 perovskite nanowires by aqueous solution synthesis for optoelectronic devices
Water as a ‘green’ solvent instead of organic one such as N,N-dimethylformamide (DMF) or dimethyl sulfoxide (DMSO) was utilized to develop an efficient synthetic route to grow various kinds of lead halide perovskite nanowires (NWs) for optoelectronic devices.
Ultrafast carrier dynamics in bimetallic nanostructure-enhanced methylammonium lead bromide perovskites
We investigate the interaction of bimetallic plasmonic nanostructures with methylammonium tribromide perovskites and probe the effects on charge separation and injection with transient absorption spectroscopy and time-resolved photoluminescence.
Versatile plasmonic-effects at the interface of inverted perovskite solar cells
Plasmonic gold nanoislands (Au NIs) harvest light at the interface of NiO and perovskite in perovskite solar cells.
About this collection
Nanoscale Advisory Board member Professor Zhiqun Lin presents this Editor’s Choice collection focusing on perovskite nanomaterials and devices.
“The past several years have been witness to an unprecedented advance in perovskite-based materials and devices. This new class of materials possess a set of superior optoelectronic properties, including tuneable direct band gaps, large absorption coefficient, high ambipolar mobility, long carrier diffusion lengths, small exciton binding energy, and high defect tolerance. In this context, it is pertinent to compile this themed issue centring on recent rapid development in the field of perovskite-based materials and devices for the solar energy conversion research community. To this end, we have collected an array of high-quality research articles and reviews recently published in Nanoscale. We hope that the readers find this themed collection informative and useful.”