

Operando X-ray characterization platform to unravel catalyst degradation under accelerated stress testing in CO<sub>2</sub> electrolysis
Nature Nanotechnology, Published online: 01 May 2025; doi:10.1038/s41565-025-01916-1
The authors present a customized operando synchrotron X-ray platform to track simultaneously ion, water and catalyst evolution in CO2 electrolysis based on membrane-electrode assembly. Enhanced Au durability is caused by a robust crystal structure and strong adhesion to substrate.Achromatic metagratings for compact near-eye displays
Nature Nanotechnology, Published online: 30 April 2025; doi:10.1038/s41565-025-01896-2
An achromatic metagrating waveguide with a tailored periodic structure designed using a stochastic topology optimization algorithm efficiently guides red, green and blue light at the same angle. This structure provides a compact, lightweight architecture for waveguide-based full-colour augmented reality displays.Single-layer waveguide displays using achromatic metagratings for full-colour augmented reality
Nature Nanotechnology, Published online: 30 April 2025; doi:10.1038/s41565-025-01887-3
A 500-μm-thick design simplifies fabrication and reduces weight while offering good brightness and colour uniformity for augmented reality near-eye optical design.Ceramic crystals stretch like metal
Nature Nanotechnology, Published online: 29 April 2025; doi:10.1038/s41565-025-01912-5
Nanoscale, covalently bonded GeSe crystals can withstand up to 12.8% recoverable tensile strain through an atomic mechanism called reversible shuffle twinning, giving rise to anisotropic superelasticity.Nanofabrication of silk microneedles for high-throughput micronutrient delivery and continuous sap monitoring in plants
Nature Nanotechnology, Published online: 29 April 2025; doi:10.1038/s41565-025-01923-2
Porous and hollow silk fibroin microneedles nanofabricated with phase front assembly allow the authors to establish a prolonged interface with plants for delivery of micronutrients, crop fortification and continuous plant health monitoring.Fraser Stoddart (1942–2024)
Nature Nanotechnology, Published online: 28 April 2025; doi:10.1038/s41565-025-01911-6
Fraser Stoddart (1942–2024)An orally administered gene editing nanoparticle boosts chemo-immunotherapy in colorectal cancer
Nature Nanotechnology, Published online: 23 April 2025; doi:10.1038/s41565-025-01904-5
This study presents an oral CRISPR–Cas9 delivery system that precisely disrupts the TRAP1 gene in colorectal cancer, enhancing chemo-immunotherapy with robust antitumour effects.Ferumoxytol promotes haematopoietic stem cell post-injury regeneration as a reactive oxygen species scavenger
Nature Nanotechnology, Published online: 23 April 2025; doi:10.1038/s41565-025-01907-2
The FDA-approved nanodrug ferumoxytol can relieve reactive oxygen species in haematopoietic stem cells, facilitating their post-injury regeneration.Ferroelectric topologies in BaTiO<sub>3</sub> nanomembranes for light field manipulation
Nature Nanotechnology, Published online: 23 April 2025; doi:10.1038/s41565-025-01919-y
Microscale ferroelectric topological textures in freestanding BaTiO3 nanomembranes enable dynamic vortex light manipulation via nonlinear spin-to-orbit conversion.Publisher Correction: Measuring age-dependent viscoelasticity of organelles, cells and organisms with time-shared optical tweezer microrheology
Nature Nanotechnology, Published online: 17 April 2025; doi:10.1038/s41565-025-01901-8
Publisher Correction: Measuring age-dependent viscoelasticity of organelles, cells and organisms with time-shared optical tweezer microrheologyPiracetam shapes wide-bandgap perovskite crystals for scalable perovskite tandems
Nature Nanotechnology, Published online: 17 April 2025; doi:10.1038/s41565-025-01899-z
Piracetam improves wide-bandgap perovskite crystallinity and uniformity, enabling monolithic all-perovskite tandem solar cells with efficiencies of 28.71% (0.07 cm2) and 28.20% (1.02 cm2), ensuring minimal efficiency loss during scale-up.Electrosynthesis of pure urea from pretreated flue gas in a proton-limited environment established in a porous solid-state electrolyte electrolyser
Nature Nanotechnology, Published online: 17 April 2025; doi:10.1038/s41565-025-01914-3
This study reveals that the synergistic effect of proton-limited environments and multi-site cooperative activation coupling substantially improves the electrocatalytic co-reduction of CO2 and N2 towards urea production, enabling gram-scale synthesis.On-demand formation of Lewis bases for efficient and stable perovskite solar cells
Nature Nanotechnology, Published online: 17 April 2025; doi:10.1038/s41565-025-01900-9
Lewis acid additive semicarbazide hydrochloride improves the formation of α-phase FAPbI3-based films and promotes a homogeneous vertical distribution of A-site cations through a deprotonation–reprotonation process. The upgraded device performance reaches up to 26.12% with high stability, and mini-module perovskite solar cells achieving 21.47% (area, 11.52 cm2) demonstrate great scalability.Homogeneous 2D/3D heterostructured tin halide perovskite photovoltaics
Nature Nanotechnology, Published online: 16 April 2025; doi:10.1038/s41565-025-01905-4
Caesium cations promote the coagulation of 2D and 3D perovskite colloids, synchronizing their nucleation kinetics and enabling the formation of homogeneous 2D/3D heterostructured lead-free photovoltaics with a certified power conversion efficiency of 16.65%.Unlocking the potential of catalysis through interdisciplinary perspectives
Nature Nanotechnology, Published online: 15 April 2025; doi:10.1038/s41565-025-01930-3
Interdisciplinary dialogues and mutual insights help researchers to unravel catalytic mechanisms and engineer more potent catalysts.Gold-modified nanoporous silicon for photoelectrochemical regulation of intracellular condensates
Nature Nanotechnology, Published online: 15 April 2025; doi:10.1038/s41565-025-01878-4
A nanoporous photocatalyst producing low levels of hydrogen peroxide is shown to modulate intracellular stress granules, enhancing resilience against oxidative stress and providing cardioprotection in an ex vivo rodent model of myocardial ischaemia–reperfusion injury.Inversion of supramolecular chirality by photo-enhanced secondary nucleation
Nature Nanotechnology, Published online: 11 April 2025; doi:10.1038/s41565-025-01882-8
By controlling the contribution of secondary nucleation in the self-assembly of chiral photoswitch molecules using light, it is possible to preferentially generate metastable aggregates, thereby reversing the supramolecular chirality.From small batteries to big claims
Nature Nanotechnology, Published online: 11 April 2025; doi:10.1038/s41565-025-01906-3
In battery research, the areas of the electrodes and cell dimensions affect the energy storage performance. Here the authors discuss the factors that influence the reliability of electrochemical measurements and battery performance in lithium-ion cells with different electrode areas.Reversible shuffle twinning yields anisotropic tensile superelasticity in ceramic GeSe
Nature Nanotechnology, Published online: 10 April 2025; doi:10.1038/s41565-025-01902-7
In situ mechanical testing and simulations unveil a reversible shuffle twinning mechanism enabled by bond switching, which gives rise to anisotropic tensile superelasticity in GeSe ceramics.Li<sup>+</sup>(ionophore) nanoclusters engineered aqueous/non-aqueous biphasic electrolyte solutions for high-potential lithium-based batteries
Nature Nanotechnology, Published online: 08 April 2025; doi:10.1038/s41565-025-01898-0
Aqueous and non-aqueous Li-based electrolyte solutions have narrow electrochemical stability windows, which hinder the operation of batteries at high cell potentials. Here, to circumvent this limitation, the authors propose the combined use of tailored aqueous and non-aqueous electrolyte solutions in various Li-based cell configurations.