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Making phenols from lignocellulose without added hydrogen is attractive but typically requires high metal loadings and yields mostly saturated products. A single-atom Pt1Ni alloy converts birch sawdust to phenolic monomers with high yield and propenyl selectivity while leaving cellulose intact.

Pathogenic gut microbiota is responsible for a few debilitating gastrointestinal Diseases. Here, the authors develop a wireless mechanoelectronic device designed to manufacture of functional vesicles in vivo to regulate microbiome.

The authors grow 2D ferroelectric wurtzite type α-In2Se3 films directly on silicon chips. The material maintains ferroelectricity up to 620 °C with tunable bandgaps down to 0.8 eV. It powers photon stimulated synaptic devices for brain-like computing.

Ruddlesden popper layered perovskites can be used in optoelectronic devices, but the understanding of their lattice strain as well as ferroelasticity is still lacking. Here, the authors find ferroelasticity in layered perovskites with layer number more than one and reveal its mechanism.

Inspired by the induced fit theory in molecular biology, this work successfully prepared Ga-based semiconductor films with weak substrate dependence, holding great promise for next-generation electronics and optoelectronics.

The development of heterogeneous photocatalysts applicable under harsh conditions is challenging. Here the authors report the conversion of imine linkages into quinoline groups in triphenylamine incorporated photosensitive covalent organic frameworks to develop robust heterogeneous photocatalysts for photocatalytic applications in harsh conditions.

The authors report a single-atom Ir-decorated Ti-doped α-Fe₂O₃ photoanode for bias-free photoelectrochemical adipic acid synthesis via a non-free-radical pathway, achieving high efficiency, selectivity and stability using water as the oxygen source.

Defect engineering is an important means to modify battery performance. Here, the authors reveal the mechanism of the point defect on the twin plane defect and systematically investigate their effect on sodium storage properties.

The electrocatalytic reduction of nitrate to ammonia offers a sustainable alternative to the Haber-Bosch process. Here, the authors report a lattice hydrogen transfer mechanism that enhances electrocatalytic activity by enabling reversible equilibrium reactions between lattice and active hydrogen.

The coexistence of ferroelectricity and ferromagnetism has been a traditional challenge for a long time. In this work, we propose a method of transition metal implantation into hybrid perovskites, which realizes the mutual regulation of magnetism and electricity, and obtains an obvious multiferroic magnetic-electric coupling effect. This study provides a new idea for realizing room-temperature magnetoelectric coupling of multiferroic materials employing ion implantation and paves the way for the realization of a new generation of spin-dependent electronic devices.

A versatility growth strategy is developed for the lattice-mismatch-free construction of core-shell heterostructure NWs by adopting the promising III-V semiconductors and amorphous chalcogenide semiconductors using simple chemical vapor deposition.

Stabilizing the ferroelectric phase in HfO₂ is a critical challenge for its application in next-generation nanoelectronics. Here, through a combination of first-principles calculations and experimental results the authors identify a critical extra-hole concentration for the stabilisation of the ferroelectric phase in HfO₂ thin films.

Some atomically thin crystals feature crystallographic anisotropy, but demonstrations of electrical anisotropy are scarce. Here, the authors show that the electrical conductivity of few-layered GaTe along the x and y directions can be widely gate tuned up to 10³, and demonstrate anisotropic non-volatile memory behavior.

While perovskite solar cells with an inverted architecture hold great promise for operation stability, their power conversion efficiency lags behind that of conventional cells. Here, Zheng et al. achieve a certified 22.34% efficiency, exploiting alkylamine ligands as grain and interface modifiers.