Themed collection National Nanotechnology Day

Versatile design strategies for fabricating no-wash electrochemical biosensors are deeply summarized and the challenges and future prospects are presented.

Monodisperse nanoparticles are successful model systems for understanding structure–property relationships at the nanoscale and applications like catalysis and nanomedicine.

Cancer immunotherapy is emerging as a promising treatment modality that suppresses and eliminates tumors by re-activating and maintaining the tumor-immune cycle, and further enhancing the body's anti-tumor immune response.

A review of state-of-the-art additive nano-manufacturing with lasers under ambient conditions.

Carbon quantum dots (CDs) are a relatively new class of carbon nanomaterials which have been studied very much in the last fifteen years to improve their already favorable properties.

Schematic illustration of MnO₂ nanosheets for applications in biosensing, bioimaging, drug delivery and cancer therapy.

This article gives a comprehensive review of plasmonic metal–semiconductor photocatalysts and photoelectrochemical cells with an emphasis on materials design.

Advances in solution-phase graphene patterning has provided a facile route for rapid, low-cost and scalable manufacturing of electrochemical devices, even on flexible substrates.

The nanoparticles exhibit excellent tumor accumulation and lead to complete tumor eradication with low power NIR laser irradiation.

Benefiting from the synergetic effect between NiO and NiCo₂O₄ and the heterostructure, urchin-like NiO–NiCo₂O₄ microspheres exhibited favorable electrocatalytic performance for Li–O₂ batteries.

High-resolution, large-scale printing of highly conductive AgNWs for flexible and stretchable electronics using EHD printing is presented. The printed patterns show the smallest line width of 45 μm and electrical conductivity as high as ∼5.6 × 10⁶ S m⁻¹. AgNW-based wearable heaters and ECG electrodes are fabricated.

Monolayers of ReS₂ and MoS₂ form a type-I van der Waals heterostructure with both the electrons and the holes confined in the ReS₂ layer.

Rapid thermal annealing of electron irradiated nanoscale type Ib diamond particles facilitates formation of various nitrogen-related fluorescent color centers, providing either red, yellow, green, or blue fluorescence for downstream multiplex imaging applications.

Fully printed, functionalized multi-walled carbon nanotube (FMWCNT)/hydroxyethyl cellulose (HEC) composite-based humidity sensor.

CDs based ratiometric fluorescent probe for formaldehyde was developed and successfully employed in bioimaging of formaldehyde in lysosome.

The separation of photogenerated carriers and photocatalytic hydrogen production efficiency was greatly enhanced by the 2D/2D heterojunction of Ti₃C₂/g-C₃N₄.

The 3-D morphology plays a key role in the optimization of the electrocatalytic activity and stability of nanocatalysts for the OER.

A tailorable Au–TiN hybrid plasmonic nanocomposite with tunable optical functionality has been demonstrated.

We report a facile sacrificial casting–etching method to synthesize nanoporous carbon nanotube/polymer composites for ultra-sensitive and low-cost piezoresistive pressure sensors.

A liquid-polymer tubular triboelectric nanogenerator constructed by combing conductive liquid and a stretchable elastomer tube to achieve multifunctional sensing.

A NiSe–G∥AC asymmetric supercapacitor with both pseudocapacitance and EDLC mechanisms provides an energy density of 50.1 W h kg⁻¹ and a power density of 816 W kg⁻¹.

Porous “dual-network” N–carbon aerogel anchored FeCo particles are developed as an effective bifunctional electrocatalyst through a novel composite hydrogel strategy.

The p-i-n structure for perovskite solar cells has recently shown significant advantages in minimal hysteresis effects, and scalable manufacturing potential using low-temperature solution processing.

Highly flexible and foldable supercapacitor electrodes were fabricated by the layer-by-layer assembly of Ti₃C₂T_x (MXene) nanoflakes with carbon nanotubes on electrospun polymer fiber networks.

Zinc oxide nanoparticles cause marked up-regulation of pyrimidine biosynthesis and sugar metabolism but consistent down-regulation of amino acid synthesis in MRSA, suggesting a previously unrecognized mechanism of action.

The curvature and edge effects on ORR activities of both isolated B/N doped and BN codoped carbon nanomaterials are investigated.

Metal–organic frameworks (MOFs), which are typically embedded in polymer matrices as composites, are emerging as a new class of carriers for sustained drug delivery.