Graphene articles within Nature Communications

Featured

  • Article
    | Open Access

    Changes in the pulmonary membrane, caused by bacterial infection, form part of the pathology of pneumonia. Here, the authors report on a graphene-based oxygen sensor which is used along with X-ray diffraction and AFM to measure the structural changes and changes in oxygen permeability of pulmonary membranes associated with bacterial pneumonia.

    • Mijung Kim
    • , Marilyn Porras-Gomez
    •  & Cecilia Leal

  • Article
    | Open Access

    Manipulation of surface energy and wetting properties of solids may impact a variety of processes, including membrane fouling. Here the authors tune properties of vermiculite laminates from superhydrophilic to hydrophobic by cation exchange, and demonstrate potential for fouling resistant oil–water separation.

    • K. Huang
    • , P. Rowe
    •  & R. R. Nair

  • Article
    | Open Access

    Here, the authors report water as a superior platform to suspend graphene compared to solid substrates that induce non-uniformity and do not provide structural flexibility. They utilize confocal Raman spectroscopy to study graphene floating freely on the surface of water to show that a liquid support relieves the pre-existing strain.

    • Liubov A. Belyaeva
    • , Lin Jiang
    •  & Grégory F. Schneider

  • Article
    | Open Access

    Long carrier lifetimes are beneficial for graphene-based optoelectronics, but carrier recombination processes in graphene possess sub-picosecond characteristic times. Here, the authors report carrier lifetimes ~30 ps at low energy in graphene/hBN Zener-Klein transistors, attributed to interband Auger processes.

    • P. Huang
    • , E. Riccardi
    •  & J. Mangeney

  • Article
    | Open Access

    Reinforcing polymers with carbon-based nanofillers is non-trivial due to incompatibilities between matrix and filler. Here, the authors report highly reinforced graphene oxide–aramid nanocomposites utilizing a water-based hybrid biaxial nematic mixture.

    • Maruti Hegde
    • , Lin Yang
    •  & Theo J. Dingemans

  • Article
    | Open Access

    Imaging liquid phase exfoliated nanosheets on suspended graphene via annular dark-field STEM can enable identification of various defects, vacancies and their migration. Here, the authors report matching of zigzag edges of monolayer PbI2 with graphene arm-chairs leading to a phase shift from 1 T to 1 H structure to maximize commensuration of the lattices.

    • Sapna Sinha
    • , Taishan Zhu
    •  & Jamie H. Warner

  • Article
    | Open Access

    The semiconducting ABC configuration of trilayer graphene is more challenging to grow on large scales than its semimetallic ABA counterpart. Here, an approach to trilayer growth via chemical vapor deposition is presented that utilizes substrate curvature to yield enhanced fraction and size of ABC domains.

    • Zhaoli Gao
    • , Sheng Wang
    •  & A. T. Charlie Johnson

  • Article
    | Open Access

    High-resolution electron microscopy requires robust and noise-free substrates to support the specimens. Here, the authors present a polymer- and transfer-free direct-etching method for fabrication of graphene grids with ultraclean surfaces and demonstrate cryo-EM at record high resolution.

    • Liming Zheng
    • , Yanan Chen
    •  & Hailin Peng

  • Article
    | Open Access

    Measurement of charge transport in epitaxial graphene is challenging. Here, the authors quantitatively investigate local transport properties of graphene prepared by polymer assisted sublimation growth using scanning tunneling potentiometry and report local sheet resistances with a variation of up to 270% at low temperatures.

    • Anna Sinterhauf
    • , Georg A. Traeger
    •  & Martin Wenderoth

  • Article
    | Open Access

    The extraordinary mechanical properties of graphene are usually measured on very small or supported samples. Here, the authors develop a method to test a large area of graphene and show that even with edge defects it displays near-ideal mechanical performance.

    • Ke Cao
    • , Shizhe Feng
    •  & Yang Lu

  • Article
    | Open Access

    Here, the authors report ultrasensitive negative capacitance phototransistors based on MoS2 regulated by a layer of ferroelectric hafnium zirconium oxide film to demonstrate a hysteresis-free ultra-steep subthreshold slope of 17.64 mV/dec and specific detectivity of 4.75 × 1014 cm Hz1/2 W−1 at room temperature.

    • Luqi Tu
    • , Rongrong Cao
    •  & Junhao Chu

  • Article
    | Open Access

    Understanding the atomic arrangement and binding nature of 2D materials with substrates is crucial to understand their properties and utilize their functions. Here, authors report that at high temperature graphene and α-Al2O3 substrate form a C-O-Al bond, having strong interactions, while interfacial structural relaxations of sapphire remain suppressed.

    • Zhipeng Dou
    • , Zhaolong Chen
    •  & Peng Gao

  • Article
    | Open Access

    Manipulation of charge carriers is promising for tuning electronic, optical and magnetic properties in two-dimensional materials, but mechanistic details are not fully understood. Here, the authors report that ambient redox reactions govern charge transfer doping in graphene and tungsten disulfide.

    • Kwanghee Park
    • , Haneul Kang
    •  & Sunmin Ryu

  • Article
    | Open Access

    Nano-crystallization is essential to tune different properties of materials. Here, the authors report a synthesis strategy that involves quenching of a hot metal foil for few seconds in liquid carbon source to form graphene films of 3.6 nm grain size, showing mechanical strength of 101 GPa and semiconducting behaviour.

    • Tong Zhao
    • , Chuan Xu
    •  & Wencai Ren

  • Article
    | Open Access

    Understanding aqueous solutions at graphitic interfaces is critical in a wide variety of emerging technologies. Here, the authors unravel specific ion effects at the interface with graphene and within graphene slit-pores by coupling first-principles simulations and electrochemical measurements.

    • Cheng Zhan
    • , Maira R. Cerón
    •  & Patrick G. Campbell

  • Article
    | Open Access

    Traditional photonic crystals consist of periodic media with a pre-defined optical response. Here, the authors combine nanostructured back-gate insulators with a continuous layer of graphene to demonstrate an electrically tunable two-dimensional photonic crystal suitable for controlling the propagation of surface plasmon polaritons.

    • L. Xiong
    • , C. Forsythe
    •  & D. N. Basov

  • Article
    | Open Access

    Bolometers are highly sensitive instruments that can detect radiant energy. Here, authors report micro-bolometers based on suspended graphene nano-electromechanical membranes that can detect light at room-temperature with a NEP coefficient of 2 pW/Hz^1/2 and bandwidth up to 1.3 MHz.

    • Andrew Blaikie
    • , David Miller
    •  & Benjamín J. Alemán

  • Article
    | Open Access

    Annular dark field scanning transmission electron microscopy is able to distinguish the contrasts between light elements. Here, the authors directly image the bonding configurations of oxygen and nitrogen atoms in defective graphene, and surprisingly identify instances of unusual triple-coordinated oxygen with three carbon neighbors.

    • Christoph Hofer
    • , Viera Skákalová
    •  & Jannik C. Meyer

  • Article
    | Open Access

    The interaction between proteins and nanomaterials is complex and of interest for controlling nanoparticle fate. Here, using experimental and computational methods, the authors report on the effect of hydroxyl groups on protein interaction and how they can be used to enhance circulation times.

    • Xiang Lu
    • , Peipei Xu
    •  & Yu-Qiang Ma

  • Article
    | Open Access

    Defect-free monolayers of graphene and hexagonal boron nitride are highly permeable to thermal protons, but are impenetrable to gases. Here the authors show that mechanically exfoliated crystals exhibit perfect proton selectivity, corroborating proton transport through the bulk without atomic-scale defects.

    • L. Mogg
    • , S. Zhang
    •  & M. Lozada-Hidalgo

  • Article
    | Open Access

    Stable periodic structures can be difficult to obtain in a liquid crystal compared to a solid due to the energetic instability of the former. Here the authors present a technique to fabricate quasicrystalline structures of graphene oxide liquid crystals which have high stability.

    • Yanqiu Jiang
    • , Fan Guo
    •  & Chao Gao

  • Article
    | Open Access

    Coherent anti-Stokes Raman Scattering (CARS) accesses the vibrational properties of a material via nonlinear four-wave mixing (FWM); CARS in graphene has not been observed to date despite its high nonlinear third-order susceptibility. Here, the authors devised a FWM scheme to perform stimulated Raman spectroscopy in single and multi-layer graphene through CARS.

    • A. Virga
    • , C. Ferrante
    •  & T. Scopigno

  • Article
    | Open Access

    Designing electronically asymmetric environment across monolayer graphene enhances the photo-thermoelectric effect and enables efficient infrared photodetection. Here, the authors report a photodetector based on CVD grown nano-patterned graphene with high responsivity of ~2900 V/W within 8–12 µm wavelength regime by Dirac plasmon-assisted hot carrier generation at room-temperature.

    • Alireza Safaei
    • , Sayan Chandra
    •  & Debashis Chanda

  • Article
    | Open Access

    Increasing the size of mesoscopic devices based on van der Waals heterostructures triggers additional quantum effects. Here, the authors observe distinct magnetoresistance oscillations in graphene/h-BN Hall bars only in devices wider than 10 μm due to resonant scattering of charge carriers by transverse acoustic phonons in graphene.

    • P. Kumaravadivel
    • , M. T. Greenaway
    •  & R. Krishna Kumar

  • Article
    | Open Access

    Presence of nano-bubbles within an atomically thin material generates potentially large pseudo-magnetic fields. Here, the authors report an innovative technique to induce nano-bubbles in graphene with desirable features and high precision through energized AFM tips, and experimentally measure three-fold symmetric pseudo-magnetic fields up to 120 T.

    • Pengfei Jia
    • , Wenjing Chen
    •  & Xi Wang

  • Article
    | Open Access

    Molecular bilayer graphene — a discrete assembly of two stacked graphene fragments — is challenging to produce in pure form. Here, the authors are able to synthesize and characterize stable molecular bilayer graphenes by the π−π stacking of two identical, well-defined nanographene sheets.

    • Xin-Jing Zhao
    • , Hao Hou
    •  & Yuan-Zhi Tan

  • Article
    | Open Access

    The adhesion of two-dimensional transition metal carbides (MXenes) is important for potential MXene device fabrication and performance. Here, the authors show that adhesion of MXenes depends on their monolayer thickness and, in contrast to graphene, does not show number-of-monolayers dependency.

    • Yanxiao Li
    • , Shuohan Huang
    •  & Vadym N. Mochalin

  • Article
    | Open Access

    Specific stacking sequence of graphene can enable observation of unusual properties however it has been difficult to obtain this over wider areas. Here, the authors report wafer-scale growth of 100% AB-stacked bilayer graphene films by CVD on liquid Pt3Si/solid Pt substrates showing high quality and improved mechanical properties comparable to the mechanically exfoliated flakes.

    • Wei Ma
    • , Mao-Lin Chen
    •  & Wencai Ren

  • Article
    | Open Access

    Conventional cooling systems rely on environmentally harmful halocarbons, while alternatives based on solid–solid transitions do not reach the required performance. Here the authors demonstrate using water and alcohol as refrigerants, through their confinement in nanosponges and their release by mechanical pressure.

    • Keita Nomura
    • , Hirotomo Nishihara
    •  & Takashi Kyotani

  • Article
    | Open Access

    Negative Poisson’s ratio, offering unusual properties, is displayed by several materials and predicted for graphene. This work demonstrates such behaviors in monolithic films with interconnected networks of close-packed graphene laminates, and tunability through the chemistry and microstructures.

    • Yeye Wen
    • , Enlai Gao
    •  & Chun Li

  • Article
    | Open Access

    The intrinsic properties of graphene and the resulting device performance are hindered by the impurities produced during the synthesis process. Here, the authors elucidate the origin of contaminations in CVD-grown graphene and devise a strategy towards the scalable production of ultra-clean graphene with >99% clean regions and low contact resistance.

    • Li Lin
    • , Jincan Zhang
    •  & Zhongfan Liu

  • Article
    | Open Access

    All-carbon electronics holds promise beyond the conventional silicon-based electronics, but it remains challenging to manufacture them with well-defined structures thus tunability. Tan et al. control charge transport in single-molecule junctions using different fullerenes between graphene electrodes.

    • Zhibing Tan
    • , Dan Zhang
    •  & Wenjing Hong

  • Article
    | Open Access

    The origins of the different charging processes observed in graphene and boron-nitride nanofluidics are still under debate. Here, using ab-initio molecular dynamics, the authors show that hydroxide species in water exhibits physisorption on graphene but strong chemisorption on boron-nitride.

    • Benoît Grosjean
    • , Marie-Laure Bocquet
    •  & Rodolphe Vuilleumier

  • Article
    | Open Access

    Owing to its atomic thinness, graphene is susceptible to wrinkles and folds. Here, the authors demonstrate controlled wrinkle formation in graphene under uniaxial tension and show that the obtained mosaic patterns can be used as channels for trapping or administering water and other fluids.

    • Maria Giovanna Pastore Carbone
    • , Anastasios C. Manikas
    •  & Costas Galiotis

  • Article
    | Open Access

    Field effect transistors based on graphene hold promise for future sensing applications. Here, the authors report a free radical sensor in which the •OH radical cuts cysteamine to release Cd2+ from the electrolyte/graphene interface and selectively detects •OH with a concentration down to 10−9 M.

    • Zhen Wang
    • , Kongyang Yi
    •  & Dacheng Wei

  • Article
    | Open Access

    Graphene oxide membranes have great potential in separation processes, but small ions rejection needs improvement for large scale applications. Here the authors manipulate the membrane’s surface charge to control selective ion transport, achieving high rejection for A2B and AB2 type salts and maintaining high water permeance.

    • Mengchen Zhang
    • , Kecheng Guan
    •  & Nanping Xu

  • Article
    | Open Access

    Identification of gas molecules is crucial in healthcare and security applications. Here the authors achieve label-free identification of SO2, NO2, N2O, and NO gas molecules by detecting their rotational-vibrational modes using graphene nanoribbon plasmons.

    • Hai Hu
    • , Xiaoxia Yang
    •  & Qing Dai

  • Article
    | Open Access

    Engineering the grain boundary size of chemical vapor deposited monolayer graphene can reversibly tune its electronic properties. Here, the authors report a thermodynamic correlation for 100 μm long channels in graphene by reversibly changing its electronic mobilities from 1,000 to 20,000 cm2 V−1 s−1.

    • Krishna Balasubramanian
    • , Tathagatha Biswas
    •  & Srinivasan Raghavan

  • Article
    | Open Access

    Viscous electron flow in graphene has been shown to exhibit vortices. Here the authors report analogous vortices in viscous fluid flow through a narrow channel making the presented fluidic system an attractive setup for quantative measurements which are otherwise hard to perform with viscous electron flow.

    • Jonathan Mayzel
    • , Victor Steinberg
    •  & Atul Varshney

  • Article
    | Open Access

    Placement of charge centres with atomic precision on graphene allows exploration of new types of confinement of charge carriers. Here, the authors fabricate atomically precise arrays of point charges on graphene and observe the onset of a frustrated supercritical regime.

    • Jiong Lu
    • , Hsin-Zon Tsai
    •  & Michael F. Crommie

  • Article
    | Open Access

    Graphene oxide (GO) dispersions may be used as starting materials for graphene-based architectures. Here, a malleable and versatile dough state of GO is discovered, completing the GO–water continuum, which can be diluted or converted to glassy GO or graphene solids without long-range stacking order with enhanced mechanical and electrochemical properties

    • Che-Ning Yeh
    • , Haiyue Huang
    •  & Jiaxing Huang

  • Article
    | Open Access

    The mechanism of lithium storage in graphenic carbon remains a fundamental question to be addressed. Here the authors employ suitable bilayer graphene foam to investigate various physiochemical phenomena of lithium intercalation and propose a storage model.

    • Kemeng Ji
    • , Jiuhui Han
    •  & Yutaka Oyama

  • Article
    | Open Access

    The possibility to combine planar and van der Waals heterostructures holds great promise for nanoscale electronic devices. Here, the authors report an innovative method to synthesise embedded graphene quantum dots within hexagonal boron nitride matrix for vertical tunnelling single electron transistor applications.

    • Gwangwoo Kim
    • , Sung-Soo Kim
    •  & Hyeon Suk Shin

  • Article
    | Open Access

    π-magnetism in graphene systems has been predicted but remains an experimental challenge. Here the authors report the discovery of unpaired electron spins localized in certain sites of graphene nanoribbons, and the measurement of their coupling by inducing singlet-triplet excitations with a scanning tunneling microscope.

    • Jingcheng Li
    • , Sofia Sanz
    •  & Jose Ignacio Pascual

  • Article
    | Open Access

    Atomically-clean interfaces are required in heterostructures. Here, authors report a method for fast and parallel removal of contaminants from fully-formed heterostructures, including sample intentionally exposed to polymers and solvent, achieving room temperature mobility over 180,000 cm2/Vs for graphene.

    • D. G. Purdie
    • , N. M. Pugno
    •  & A. Lombardo

Browse broader subjects

Browse narrower subjects

Browse Graphene across other nature.com journals