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Porosity of zeolitic imidazolate frameworks can be preserved beyond glass transition and melt processing. Here centimetre-scale porous glasses are demonstrated, whereas liquid processing enables fine-tuning of the size of the gas-transporting channels for molecular sieving.
Depositing textured functional materials on transparent conducting oxides remains a challenge. We demonstrate the formation of a coherent interface between a set of functional oxides and fluorine-doped-tin-oxide-based transparent conducting oxide substrate despite the lattice mismatch, owing to dimensional and chemical matching of oxygen sublattices at the interface.
Diamond quantum magnetometry is utilized to directly read the vorticity of antiferromagnetic spin textures through coupled multi-polar emergent magnetic charge distributions.
Piezoelectrics have longitudinal and transverse piezoelectric coefficients that are opposite in sign. Here, by tuning the interface inversion asymmetry in heterostructures, auxetic systems with positive longitudinal and transverse coefficients are realized, with expansion or contraction along all directions in an electric field.
Optically stimulated vibrational control for materials has the potential to improve the performance of optoelectronic devices. The vibrational control of FAPbBr3 perovskite solar cells has been demonstrated, where the fast dynamics of coupling between cations and inorganic sublattice may suppress non-radiative recombinations in perovskites, leading to reduced voltage losses.
Early detection of electrical degradation in dielectric polymers is crucial but remains challenging. A general strategy of blending the polymer with chromogenic molecules is reported, which generates a visually discernible colour change as chemically activated by oxygen radicals generated in situ, indicating the early stage of electrical degradation in polymers.
Current physical neuromorphic computing faces critical challenges of how to reconfigure key physical dynamics of a system to adapt computational performance to match a diverse range of tasks. Here the authors present a task-adaptive approach to physical neuromorphic computing based on on-demand control of computing performance using various magnetic phases of chiral magnets.
Chemical adsorption of CO on open metal sites enables separation from other gases but leads to selectivity and stability issues. Quasi-open metal sites in metal–organic frameworks are proposed here, which are accessible only by CO-induced structural transformation, enabling CO separation to 9N purity.
Forces resulting from global cell volume expansion and local cell contractions distort the basement membrane of an in vitro three-dimensional model of breast cancer, to promote collective cell invasion that precedes metastasis.
Gold nanoclusters show promise as photothermal materials, but are often thermally unstable. Here ligand engineering is used to integrate molecular rotors with gold nanoclusters to dissipate thermal energy and improve photothermal therapy performance.
Liquid electrolytes in batteries are considered to be macroscopically homogeneous ionic transport media despite having a complex chemical composition and atomistic solvation structures. A micelle-like structure in a localized high-concentration electrolyte for which the solvent acts as a surfactant is reported.
Employing a miniaturized spectrometer that combines a metasurface-based spectrometer array and a metalens, angle-resolved spectral imaging is achieved with a wavelength accuracy of 0.17 nm, spectral resolution of 0.40 nm and angular resolution of 4.88 × 10−3 rad for a spectrometer with a 4 × 4 μm2 footprint.
The rational design and assembly of colloidal quasicrystals is achieved by exploring the hybridization of nanoscale decahedra nanoparticles functionalized with DNA linkers.
Multi-metal and perovskite oxides are attractive as oxygen evolution electrocatalysts, and thus far the most promising candidates have emerged from experimental methodologies. Active-learning models supplemented by structural-characterization data and closed-loop experimentation can now identify a perovskite oxide with outstanding performance.
Pseudo-halide anion engineering is an effective surface passivation strategy for perovskite-based optoelectronics but the large chemical space of molecules limits its potential. Here, the authors create a machine learning workflow to find optimized pseudo-halide anions, which are verified in devices with improved performances.
A dilute water–polymer mixture exhibits a percolation-induced gel–gel phase separation, resulting in a two gel co-continuous substrate, which is used for adipose tissue development.
Production of bulk bicontinuous materials is limited by the ability to make uniform microarchitectures across large volumes. Here elastic microphase separation is used to fabricate bicontinuous materials with a homogeneous microstructure, with feature sizes tuned by the matrix stiffness.
Simultaneously highly elastic and deformable gels that maintain their mechanical properties have remained elusive. Here, using in situ polymerization confined within nanochannels, the authors prepare hysteresis-free gels insensitive to crack propagation.
