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Hybrid quantum optomechanical systems interface a single two-level system with a macroscopic mechanical degree of freedom. In a microwire with a single embedded semiconductor quantum dot, not only can the wire vibration modulate the excitonic transition energy, but the optical drive of the quantum dot can also induce motion in the wire.
Manipulation of multiple connected quantum objects is mandatory for any scalable quantum information platform. Based on finely tuned virtual gate control, the integration of nearest-neighbour coupled semiconductor quantum dots in a 3 × 3 array enables 2D coherent spin control.
New mechanistic insights into nanoparticle–plant interactions show that specifically designed silica nanoparticles have the potential to serve as an inexpensive, highly efficient, safe and tracelessly degradable alternative for pesticides.
Graphene–insulator–metal heterostructures show three orders of magnitude enhancement of the third-harmonic generation with respect to the bare graphene case.
Controlling immune cell activation would improve the efficiency of cell-based immunotherapies and reduce its associated risks. Here biodegradable particles are functionalized with DNA scaffolds for precise conjugation of a range of immunomodulating agents and applied ex vivo and in vivo for engineered immune cell modulation.
The conductance of a six-nanometre molecular wire can be reproducibly modulated by a factor of more than 1 × 104 at room temperature by enhancing destructive quantum interference amongst occupied molecular orbitals.
A highly porous carbon-based electrode with optimal mechanical and electrochemical properties is implemented in a bioelectronics device for the modulation of cardiomyocyte contraction in vitro, the excitation of heart and retina ex vivo and the stimulation of sciatic nerve in vivo.
Many-body interactions amongst interlayer excitons in a WSe2/MoSe2 heterobilayer give rise to a strong and tunable effective magnetic field enabling the control of the valley pseudospin.
The direct growth of large-area nanosheets of diverse phase-pure Ruddlesden–Popper perovskites enables the fabrication of arbitrary vertical heterostructures and multi-heterostructures of perovskites.
The shuttling effect in Li–S batteries can be drastically suppressed by using a single-atom Co catalyst and polar ZnS nanoparticles embedded in a macroporous conductive matrix as a cathode. Using this strategy, Li–S pouch cells show stable cycling and high energy performances.
A hierarchically designed polymer nanofibre-based film produced by a scalable electrospinning process enables selective mid-infrared emission and effective sunlight reflection, and thus realizes an excellent all-day radiative cooling performance.
Two-dimensional electronic spectroscopy reveals the existence of intermolecular conical intersections in molecular aggregates relevant for photovoltaics.
A combination of atomistic imaging and spectroscopy reveals that metal substitution into a sulfur vacancy is the underlying mechanism for resistive switching in transition metal dichalcogenide monolayers.
Inspired by biological models, I–quartet artificial water channels can be incorporated in composite polyamide membranes synthesized via interfacial polymerization, providing biomimetic membranes for desalination.
Two-dimensional self-assembled heterostructures of graphene oxide and polyamine macromolecules are used to create membranes with tuneable permeability for water and ions.
An energy transduction mechanism across metal/semiconductor interfaces, which relies on electron–electron energy transfer rather than the transport of charge, is demonstrated through ultrafast infrared spectroscopy. This ballistic thermal injection process allows for extended modulation of plasmonic absorption in epsilon-near-zero media.
Optical reflectance spectroscopy provides a direct observation of layer-hybridized moiré excitons in angle-aligned transition metal dichalcogenide heterostructures.