Themed collection Editor’s Choice Collection: Advances and Perspectives in Nanoscale Materials and Optoelectronics

Laser diodes based on solution-processed semiconductor quantum dots (QDs) present an economical and color-tunable alternative to traditional epitaxial lasers.

This mini-review presents a brief overview of recent progress in bismuth-based halide perovskite (BHP) nanomaterials for heterogeneous photocatalysis under visible light, including the synthesis and physical–chemical properties of advanced BHPs.

Helicity-resolved transient absorption spectroscopy enables the mechanistic understanding of the ultrafast dynamics of chirality and chiroptics in micro- and nano-chiral materials.

The fundmental physics of colloidal quantum dots (CQDs) and CQD-based optoelectronics and photonics development are reviewed, with particular focus on their internet of things (IoTs) integrations.

This review summarizes the significance, behaviors, and passivation strategies of defects under the electric field in perovskite materials and optoelectronic devices.

A novel strategy to fabricate highly stable, substrate-free, flexible, and paper-like halide perovskite photodetectors using Zn-doped MA_0.6FA_0.4PbI₃ and cellulose nanocrystals.

Transient absorption spectroscopy of surface-passivated Ag₂S nanocrystals reveals that while trapping and exciton recombination dominate at low exciton densities, biexcitons and Auger recombination become significant at higher exciton ones.

This article explores, using X-ray photoemission imaging, how the damage to the gate of a nanocrystal-based field-effect transistor affects the device energy landscape.

Employing viscoelastic stamps and wettability-controlled substrates, transfer printing of LHP NC monolayers were developed. For uniform assembly and multistep transfer, spin-coating substrates were treated with a fluoroalkyl–alkyl silane mixture.

In this work the authors combined in-solution ligand exchange with an electrically driven film deposition technique to produce conformal PbSe quantum dot films on non-flat substrates in a single step without the need for post deposition processing.

Piezoelectric nanogenerators based on a composite of monoclinic phase CsPbBr₃ nanocrystals and PDMS are demonstrated. A output voltage and current of up to 50 V and 5.5 μA are obtained under an applied force of 4.2 N with long-term stability.

A novel In(Zn)P cluster seed-mediated approach enables the synthesis of high-quality, zinc phosphide quantum dots with exceptional optical properties.

Photoconductive atomic force microscopy quantitatively probes monolayers of PbS/perovskite quantum dots with a contact area of 1–3 dots in stable and reproducible acquisition conditions for I/V curves and photocurrent maps.

All template-grown CsPbBr₃ nanorods exhibited ambipolar behaviors for up to two months after their synthesis and good nanoscale electronic homogeneity.

We present a self-driving fluidic lab for accelerated synthesis science studies of lead-free metal halide perovskite nanocrystals.

A hierarchical CsPbBr₃/TiO₂ heterostructure is fabricated by in-situ growth of CsPbBr₃ nanoparticles on the surface of TiO₂ nanoflowers assembled by 2D nanoflake subunits for toluene oxidation, which efficiently produces aldehydes and alcohols under visible light.

Cs₂AgInCl₆ double perovskite (DP) nanocrystals (NCs) are an emerging class of materials with promising application potential in photonics/optoelectronics owing to their nontoxicity, direct bandgap, and high thermal and moisture stability.

Classical molecular dynamics simulations can help understand the locations, binding modes and mobilities of carboxylate ligands on CdSe nanocrystals, aiding in the optimization of their overall performance and efficiency.

Lead dioxide precursor as an efficient source of highly complexed iodoplumbates for the synthesis of 2D lead halide perovskite microplates.

By studying the temperature and pressure response of CsPbI₃ nanocrystals, we demonstrated that the lattice deformation mechanism strongly affects the material's bandgap and recombination dynamics in nanocrystals with different sizes.