Themed collection International Year of the Periodic Table : Low Dimensional Carbon Systems

A comprehensive insight into the wettability of graphene with respect to water droplets, specifically including the influencing factors and reversible transformation, is presented in this review.

Metal-free carbonaceous nanomaterials have witnessed a renaissance of interest due to the surge in the realm of nanotechnology.

Overview of the optical properties and versatile applications of carbon dots.

This review highlights new insights into the various strategies used to tune the optical features of graphene quantum dots, and their use as attractive and powerful probes for bio-sensing/imaging.

This perspective is aimed at presenting some issues that, in our opinion, have still to be better addressed in the field of graphenes as catalysts.

The microwave absorption, electromagnetic interference shielding, and microwave response mechanism of graphene hybrids are highlighted, including relaxation, charge transport, magnetic resonance, etc.

Combining therapies on a sheet of carbon is possible!

Electrochemical oxygen reduction behaviour and AEMFC performance using non-precious metal cathode catalysts are reviewed.

In contrast to pristine graphene, nanocrystalline graphene shows a fundamentally different high-temperature behavior due to its reactive nature.

Hybrid CNTs yarn muscle could be actuated with excellent contraction and stability at low voltage.

A space-confined vacuum heating method has been developed to produce carbon dots which do not experience aggregation-induced luminescence quenching.

The linear shift in V_Dirac of a flexible GFET, caused by the flexoelectric effect of a PLZT gate, makes it enormously useful for both tuning the graphene doping state and detecting bending curvature.

Two multiwalled carbon nanotubes are seamlessly joined via the crystallization of an amorphous carbon joint using a transmission electron microscope.

Solvent dependent blue- and red-shift piezochromism of carbon dots were studied by diamond anvil cell with in situ optical measurements.

Controlled reduction of GO thin-films at room temperature with spatial resolution simply by application of a voltage, without the intentional use of electrolytes, has been demonstrated.

Sudden composite failure under tension can be delayed by a highly ordered nanostructured multilayered nacre mimetic interface applied to carbon fibres by isolating fiber breaks within the composite.

Graphdiyne with a highly π-conjugated structure of sp- and sp²-hybridized carbon networks serves as a superior carbon additive to boost the activity of water oxidation catalysts.

Electronic bio-inspired spidroin sensors with high humidity/motion sensitivity are engineered by forming graphene coatings with morphological ripples or overlapped cracks.

We report an ultra-sensitive temperature sensor derived from graphene quantum dots (GQDs) embedded in a self-standing reduced graphene oxide (RGO) film.

We report for the first time the fabrication of ultrathin carbon nanonets with an enhanced charge transfer capability for supercapacitors.

The high-performance of planar perovskite solar cells with SnO₂:CNDs.

Cobalt oxides encapsulated at the apical postion of by nitrogen-doped carbon nanotubes into two dimensional networks originatinge from the lamellar coordinated polymer for high-performaence lithium/sodium ion batteries.

We report direct overall pure water splitting by visible light excited graphitic carbon nitride incorporated with conjugated aromatic rings without using sacrificial agents.

Base washing had a greater impact on the cytotoxicity of the graphene oxide than sonication or cleaning.

Glucose assay is highly important in clinical diagnostics of diabetes.

We report a pulsed laser annealing method to convert carbon fibers and nanotubes into diamond fibers under ambient conditions.

We investigated the resistance response mechanisms and provided a resistance regulation strategy for conductive nanocomposites.

Self-assembled CdS-QDs in carbon nanotubes are highly efficient cathode materials for lithium–sulfur batteries with improved rate performance and cycle life. The configuration suppresses polysulfide shuttling and enhances redox kinetics.

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.

Fluorescent carbon dots were synthesized by microwave irradiation of cyclen and citric acid to construct a ratiometric probe for tetracycline detection.

N,S co-doped carbon nanodots are prepared and utilized in a facile fluorescent cytosensor.

A carbon nanodot–paclitaxel drug delivery system with enhanced anticancer activity as compared to the free drug is reported.

A strong and tough rGO/CA film with excellent EMI SE is realized.

Synthesis of nitrogen–sulphur dual-doped carbon quantum dots and their peroxidase like mimetic activity for the colorimetric detection of H₂O₂ and glutathione in human blood serum.

Flexible CNT-based transparent conductive films with strong adhesion were continuously fabricated by a home-made roll-to-roll (R2R) spraying method and used as a smart window with switchable transparency.

A polydopamine (PDA)/carbon nanotube (CNT)/elastic band (EB) flexible strain sensor has desirable integration of an ultra-high strain range (920% strain), large sensitivity and superior durability (10 000 cycles).

A series of graphdiyne-based nonlinear optical materials were theoretically designed through adsorbing alkali metals (Li, Na, K) on a largely delocalized π-conjugated graphdiyne surface, and the K₃@GDY cluster has a significantly enhanced first hyperpolarizability of ∼1.61 × 10⁵ a.u.

In the presence of tyrosinase, the probe shows a ratiometric fluorescence response owing to a dual mechanistic FRET and PET approach.

In this work, we synthesized N, F, P ternary doped macroporous carbon fibers (NFPC) for the first time and it exhibits efficient electrocatalytic activity as a bifunctional catalyst for ORR, OER and Zn-air batteries.

We report a novel strategy to synthesize nano-sized, water-soluble and functionalized fluorinated carbon fiber oxide with high fluorescence, paramagnetism and NIR absorption for cancer chemo-photothermal therapy.

Graphene oxide mannosylation impacts on RBCs toxicity and plasma protein interactions.

Controllable synthesis of graphitic-C₃N₄ nanodots embedded in N, S co-doped hollow porous carbon via a double-solvent strategy for obtaining high performance of lithium–sulfur batteries.

Popgraphene, a new 2D carbon allotrope constructed from 5–8–5 carbon rings, is proposed for use in high-performance lithium-ion battery anodes.

Lightweight, compressible and electrically conductive MWCNT/RGO@PU sponges fabricated by the LBL electrostatic assembly for piezoresistive sensors.

Color-tunable carbon dots have been synthesized via a one pot hydrothermal synthesis and re-dispersed in dimethylformamide solution after purification.

Double carbon dot-based fluorescent materials synthesised in one step possess dual characteristic peaks and multifunctional applications in WLED and transparent sunlight conversion film.

Understanding the links between nucleophilic/reductive strength of the environment, formation of radicals and point defect characteristics is crucial for achieving control over the functionalization of fluorographene.

Highly conductive and stretchable electrospun thermoplastic polyurethane yarns with multi-walled and single-walled CNTs were prepared.

This work provides a new approach for the in situ synthesis of bifunctional and multifunctional catalysts by integrating 1D/2D/3D materials with different catalytically active sites into one heterostructure.

A well-organized graphene nanostructure was developed for the versatile strain-sensing application via constructing a covalently bonded interface between graphene and a rubber matrix.

Delivery of doxorubicin using graphene oxide is remarkably improved by adding a little amount of vitamin C.

A judicious layer-by-layer assembly strategy has been developed to rationally integrate graphene quantum dots with metal nanocrystals for multifarious catalysis.

Graphene oxide (GO) undergoes neutrophil myeloperoxidase (MPO) dependent degradation and the degradation products are non-genotoxic for human lung cells.

Here we represent a novel strategy to combine C₆₀ with graphene via host–guest chemistry with excellent NO quenching ability.

A novel structure enables Li–S batteries to display large-capacity, high-rate and long-life at an ultra-high areal sulfur loading.