Wettability of graphene: from influencing factors and reversible conversions to potential applications
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.
Function-driven engineering of 1D carbon nanotubes and 0D carbon dots: mechanism, properties and applications
Metal-free carbonaceous nanomaterials have witnessed a renaissance of interest due to the surge in the realm of nanotechnology.
Novel properties and applications of carbon nanodots
Overview of the optical properties and versatile applications of carbon dots.
Tuning the optical properties of graphene quantum dots for biosensing and bioimaging
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.
General aspects in the use of graphenes in catalysis
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.
Graphene nanohybrids: excellent electromagnetic properties for the absorbing and shielding of electromagnetic waves
The microwave absorption, electromagnetic interference shielding, and microwave response mechanism of graphene hybrids are highlighted, including relaxation, charge transport, magnetic resonance, etc.
Combined therapies with nanostructured carbon materials: there is room still available at the bottom
Combining therapies on a sheet of carbon is possible!
Electrocatalysis of oxygen reduction on heteroatom-doped nanocarbons and transition metal–nitrogen–carbon catalysts for alkaline membrane fuel cells
Electrochemical oxygen reduction behaviour and AEMFC performance using non-precious metal cathode catalysts are reviewed.
Nanocrystalline graphene at high temperatures: insight into nanoscale processes
In contrast to pristine graphene, nanocrystalline graphene shows a fundamentally different high-temperature behavior due to its reactive nature.
Carbon nanotubes–elastomer actuator driven electrothermally by low-voltage
Hybrid CNTs yarn muscle could be actuated with excellent contraction and stability at low voltage.
Carbon dots produced via space-confined vacuum heating: maintaining efficient luminescence in both dispersed and aggregated states
A space-confined vacuum heating method has been developed to produce carbon dots which do not experience aggregation-induced luminescence quenching.
Controlling the Dirac point voltage of graphene by mechanically bending the ferroelectric gate of a graphene field effect transistor
The linear shift in VDirac 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.
Seamless interconnections of sp2-bonded carbon nanostructures via the crystallization of a bridging amorphous carbon joint
Two multiwalled carbon nanotubes are seamlessly joined via the crystallization of an amorphous carbon joint using a transmission electron microscope.
Surface related intrinsic luminescence from carbon nanodots: solvent dependent piezochromism
Solvent dependent blue- and red-shift piezochromism of carbon dots were studied by diamond anvil cell with in situ optical measurements.
Spatially resolved solid-state reduction of graphene oxide thin films
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.
Increasing carbon fiber composite strength with a nanostructured “brick-and-mortar” interphase
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: a superior carbon additive to boost the activity of water oxidation catalysts
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.
Biomimetic engineering of spider silk fibres with graphene for electric devices with humidity and motion sensitivity
Electronic bio-inspired spidroin sensors with high humidity/motion sensitivity are engineered by forming graphene coatings with morphological ripples or overlapped cracks.
An ultrafast quantum thermometer from graphene quantum dots
We report an ultra-sensitive temperature sensor derived from graphene quantum dots (GQDs) embedded in a self-standing reduced graphene oxide (RGO) film.
From fluorene molecules to ultrathin carbon nanonets with an enhanced charge transfer capability for supercapacitors
We report for the first time the fabrication of ultrathin carbon nanonets with an enhanced charge transfer capability for supercapacitors.
Introduction of carbon nanodots into SnO2 electron transport layer for efficient and UV stable planar perovskite solar cells
The high-performance of planar perovskite solar cells with SnO2:CNDs.
MOF derived CoO-NCNTs two-dimensional networks for durable lithium and sodium storage
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.
Extending the π-electron conjugation in 2D planar graphitic carbon nitride: efficient charge separation for overall water splitting
We report direct overall pure water splitting by visible light excited graphitic carbon nitride incorporated with conjugated aromatic rings without using sacrificial agents.
The impact of processing on the cytotoxicity of graphene oxide
Base washing had a greater impact on the cytotoxicity of the graphene oxide than sonication or cleaning.
Interfacial engineering of carbon dots with benzenediboronic acid for fluorescent biosensing
Glucose assay is highly important in clinical diagnostics of diabetes.
Direct conversion of carbon nanofibers and nanotubes into diamond nanofibers and the subsequent growth of large-sized diamonds
We report a pulsed laser annealing method to convert carbon fibers and nanotubes into diamond fibers under ambient conditions.
Strain-sensitive electrical conductivity of carbon nanotube-graphene-filled rubber composites under cyclic loading
We investigated the resistance response mechanisms and provided a resistance regulation strategy for conductive nanocomposites.
Self-assembled CdS quantum dots in carbon nanotubes: induced polysulfide trapping and redox kinetics enhancement for improved lithium–sulfur battery performance
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.
In situ grown nickel selenide on graphene nanohybrid electrodes for high energy density asymmetric supercapacitors
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.
Microwave-assisted synthesis of cyclen functional carbon dots to construct a ratiometric fluorescent probe for tetracycline detection
Fluorescent carbon dots were synthesized by microwave irradiation of cyclen and citric acid to construct a ratiometric probe for tetracycline detection.
Hydrothermal synthesis of N,S co-doped carbon nanodots for highly selective detection of living cancer cells
N,S co-doped carbon nanodots are prepared and utilized in a facile fluorescent cytosensor.
Nitrogen-doped carbon nanodots for bioimaging and delivery of paclitaxel
A carbon nanodot–paclitaxel drug delivery system with enhanced anticancer activity as compared to the free drug is reported.
Integrated strength and toughness in graphene/calcium alginate films for highly efficient electromagnetic interference shielding
A strong and tough rGO/CA film with excellent EMI SE is realized.
Peroxidase mimetic activity of fluorescent NS-carbon quantum dots and their application in colorimetric detection of H2O2 and glutathione in human blood serum
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.
Continuously fabricated transparent conductive polycarbonate/carbon nanotube nanocomposite films for switchable thermochromic applications
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.
Ultra-stretchable, sensitive and durable strain sensors based on polydopamine encapsulated carbon nanotubes/elastic bands
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).
Design of novel graphdiyne-based materials with large second-order nonlinear optical properties
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.
FRET and PET paired dual mechanistic carbon dots approach for tyrosinase sensing
In the presence of tyrosinase, the probe shows a ratiometric fluorescence response owing to a dual mechanistic FRET and PET approach.
Ternary doped porous carbon nanofibers with excellent ORR and OER performance for zinc–air batteries
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.
Nano-sized paramagnetic and fluorescent fluorinated carbon fiber with high NIR absorbance for cancer chemo-photothermal therapy
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.
Covalent functionalization of graphene oxide with D-mannose: evaluating the hemolytic effect and protein corona formation
Graphene oxide mannosylation impacts on RBCs toxicity and plasma protein interactions.
Nanopore-confined g-C3N4 nanodots in N, S co-doped hollow porous carbon with boosted capacity for lithium–sulfur batteries
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 planar carbon allotrope composed of 5–8–5 carbon rings for high-performance lithium-ion battery anodes from bottom-up programming
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 polyurethane sponges coated with synergistic multiwalled carbon nanotubes and graphene for piezoresistive sensors
Lightweight, compressible and electrically conductive MWCNT/RGO@PU sponges fabricated by the LBL electrostatic assembly for piezoresistive sensors.
Concentration-induced multi-colored emissions in carbon dots: origination from triple fluorescent centers
Color-tunable carbon dots have been synthesized via a one pot hydrothermal synthesis and re-dispersed in dimethylformamide solution after purification.
Double carbon dot assembled mesoporous aluminas: solid-state dual-emission photoluminescence and multifunctional applications
Double carbon dot-based fluorescent materials synthesised in one step possess dual characteristic peaks and multifunctional applications in WLED and transparent sunlight conversion film.
Reactivity of fluorographene is triggered by point defects: beyond the perfect 2D world
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.
Continuously prepared highly conductive and stretchable SWNT/MWNT synergistically composited electrospun thermoplastic polyurethane yarns for wearable sensing
Highly conductive and stretchable electrospun thermoplastic polyurethane yarns with multi-walled and single-walled CNTs were prepared.
Co,N-codoped nanotube/graphene 1D/2D heterostructure for efficient oxygen reduction and hydrogen evolution reactions
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 for versatile strain-sensing application constructed by a covalently bonded graphene/rubber interface
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.
Switching off the interactions between graphene oxide and doxorubicin using vitamin C: combining simplicity and efficiency in drug delivery
Delivery of doxorubicin using graphene oxide is remarkably improved by adding a little amount of vitamin C.
Unraveling the cooperative synergy of zero-dimensional graphene quantum dots and metal nanocrystals enabled by layer-by-layer assembly
A judicious layer-by-layer assembly strategy has been developed to rationally integrate graphene quantum dots with metal nanocrystals for multifarious catalysis.
Graphene oxide is degraded by neutrophils and the degradation products are non-genotoxic
Graphene oxide (GO) undergoes neutrophil myeloperoxidase (MPO) dependent degradation and the degradation products are non-genotoxic for human lung cells.
Light-triggered C60 release from a graphene/cyclodextrin nanoplatform for the protection of cytotoxicity induced by nitric oxide
Here we represent a novel strategy to combine C60 with graphene via host–guest chemistry with excellent NO quenching ability.
Self-assembled N-graphene nanohollows enabling ultrahigh energy density cathode for Li–S batteries
A novel structure enables Li–S batteries to display large-capacity, high-rate and long-life at an ultra-high areal sulfur loading.
About this collection
Guest Edited by Malika Jeffries-El, Journal of Materials Chemistry C Associate Editor, Boston University, USA, Federico Rosei, Journal of Materials Chemistry C Associate Editor, National Institute of Scientific Research, University of Quebec, Canada, and C. N. R. Rao, Materials Horizons Advisory Board member, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India
“The discovery of graphene created great sensation and has given rise to research on various other 2D new structures, especially inorganic elemental materials and 2D compounds.” – C.N R. Rao
“Until a few decades ago, it was thought that there were only two stable forms of carbon, namely graphite and diamond. Nanoscale carbon allotropes (fullerene, carbon nanotubes, graphene) were discovered soon thereafter. This led to a renewed interest in carbon structures, due to the surprising electronic, optical and mechanical properties exhibited by these allotropes.” – Federico Rosei
This themed collection is the second in a series celebrating the International Year of the Periodic Table. ‘Low Dimensional Carbon Systems’ features papers from across the Materials and Nano journal porfolio, including Materials Horizons, Nanoscale Horizons, Journal of Materials Chemistry A, B, C, Nanoscale, and Nanoscale Advances. The papers selected for this themed issue focus on low dimensional carbon-based systems across a variety of applications.