Themed collection Quantum nanomaterials

The miniaturization of modern devices to the nanoscale has inspired the development of quantum information processing, in which quantum coherence is of vital importance for both fundamental research and applications.

Optimizing TE-QLEDs via several strategies: microcavity tailoring, dipole orientation control, RI engineering, and surface/interface design for superior emission extraction and directionality in advanced displays and photonic devices.

Nanocomposites of carbon dots and metal–organic frameworks (CDs@MOFs) have emerged as a novel class of materials that integrate the high porosity and structural versatility of MOFs with the outstanding optical properties and biocompatibility of CDs.

Carbon nanotubes (CNTs) and CNT-based quantum dots (CNTQDs) hold significant promise for next-generation quantum and digital computing devices.

Carbon quantum dots have attracted great attention due to their unique properties. This review outlines their synthesis and characterization, highlights their applications in sensing, and discusses current challenges as well as future perspectives.

DFT calculations aimed at investigating the catalytic activity and stability of the reduced form of NiGraf in mediating nitrobenzene hydrogenation to aniline unveil a reaction mechanism that explains also the catalyst's remarkable stability.

A versatile cryo-optical setup enabling imaging, steady-state and time-resolved photoluminescence, and second-order photon correlation measurements for the characterization of quantum nanomaterials.

A scalable synthesis strategy for Ge QDs is established through MD simulations, analytical modelling, and experiments. Spatially confined, nanometer-scale Ge QDs are formed within an oxide, enabling room-temperature quantum confinement.

A simple pre-growth hydrogen annealing of sapphire substrates provides a significant enhancement of WS₂ growth, increasing crystal size by 50% and nucleation density by 125%.

This article demonstrates a fabrication strategy to realize van der Waals Josephson junction arrays with uniform junction thickness and twist angle. A double Josephson junction device exhibiting Josephson diode effect is demonstrated.

We present a plasma-based synthesis–modification method for silicon quantum dots featuring size control, simplicity, and good optical performance (near-unity internal quantum yield, a photoluminescence quantum yield of up to 20%).

We demonstrate the fabrication of 2D chromiteen-based flexible energy harvesting device working under ocean waves.

Magnetic adatom chains on superconductors provide a platform to explore correlated spin states and emergent quantum phases.

We present a computational investigation of entanglement-based quantum information applications implemented on an electrically defined quantum dot structure in silicon.

The improved electrode-free localized anodic oxidation (iEFLAO) provides a convenient approach for fabricating high-precision graphene nanostructures and exploring quantum phenomena in carbon materials.

Quantum confinement in MXene quantum dots enhances excitonic effects, causing a blue shift of the first optical transition. Surface functionalization allows for fine tuning of exciton character and spectral behavior into desirable features.

We present a fabrication process that combines contact patterning with a stencil and gold-assisted exfoliation of van der Waals materials, producing pristine surfaces and micron-scale device geometries on thin flakes down to the monolayer limit.

Theoretical total exciton decay rate in CdSe NPLs in the presence of an external field.