Showing papers in "Carbon in 2017"

TL;DR: In this paper, a uniform core-shell Co@C microspheres are innovatively fabricated through an in situ transformation from Co 3 O 4 @phenolic resin precursor, which can restrain the agglomeration of Co particles during high-temperature treatment, which accounts for the survival of uniform coreshell microstructure.

TL;DR: In this paper, a hierarchical reduced graphene oxide (RGO) foams decorated with in-situ grown ZnO nanowires (ZnO nws ) were realized by a direct freeze-drying and hydrothermal process.

TL;DR: In this article, the authors have studied the synthesis methods, characterization and the possible mechanism for green reduction, especially by ascorbic acid, which could possibly motivate the researcher worldwide to innovate new green methods for mass scale production of graphene based materials.

TL;DR: In this paper, three nitrogen-rich metal-organic frameworks (ZIF-8, NH2-MIL-53 and IRMOF-3) with nitrogen content of 24.7, 6.28 and 5.16 were chosen to prepare the nitrogen doped porous carbons (NPCs) with different nitrogen content.

TL;DR: In this paper, the authors used poly(2-butylaniline) (P2BA) as a dispersing agent to achieve stable dispersion of graphene in organic solvents via non-covalent π-π interactions between P2BA and graphene.

TL;DR: In this article, a novel composites comprising amorphous carbon and graphitic carbon nitride (g-C3N4) were fabricated via facial one-step thermal condensation of glucose and urea precursors.

TL;DR: In this article, the Fe 3 O 4 /nitrogen-doped graphene nanosheets were fabricated by solvothermal method as synergistic microwave absorbers, and the results indicated that the hybrid was ideal candidate to be used as a microwave absorber with antioxidation, light weight, high efficiency and broad frequency bandwidth.

TL;DR: In this article, a green and facile protocol of thermal treatment of graphene oxide (GO) with urea was adopted to synthesize nitrogen-doped graphene (NG-Urea-air) at a low temperature (350°C) in the static air.

TL;DR: A comprehensive review of the recent developments of four typical carbon nanomaterials including fullerenes, carbon nanotubes (CNTs), graphene and nanodiamonds in tribology is given in this paper.

TL;DR: In this article, a flexible conductive cotton fabric was demonstrated by formulation and deposition of a graphene oxide (GO) dispersion onto a cotton fabric by vacuum filtration, and the deposited GO amount was controlled by the concentration and volume of the GO dispersion.

TL;DR: In this paper, a metal-organic framework containing Zn, N, and B was used as the precursor to synthesize dual-doped and metal-free porous carbon materials as efficient ORR/OER bifunctional electrocatalysts.

TL;DR: In this article, the effects of graphene and graphene oxide on the hydration, microstructures and mechanical properties of cement paste were investigated by using reactive force field molecular dynamics (MD), revealing that functional hydroxyl groups in GO provide non-bridging oxygen (NBO) sites that accept hydrogen-bonds of interlayer water molecules in the calcium silicate hydrate (CSH).

TL;DR: In this paper, the role of interfacial carbide played in determining the load transfer efficiency of carbon nanotubes (CNTs) reinforced by homogeneously-dispersed CNTs.

TL;DR: In this article, a review highlights biochar production technologies, biochar properties, and recent advances in the removal and immobilization of a major metalloid contaminant, As in water and soil.

TL;DR: In this paper, ultralight multiwalled carbon nanotube (MWCNT)/graphene foams (CGFs) are prepared through a facile solvothermal method and their microwave absorption (MA) properties are fully investigated.

TL;DR: In this paper, the carbon felt (CF) based-electrodes are discussed in a holistic manner, and various methods and equations used to identify physical values of CF material are supplied.

TL;DR: In this paper, N-doped porous carbon materials (NPCs) were used as anodes for lithium and sodium ion batteries (LIBs and SIBs) for the first time.

TL;DR: In this paper, the authors explored the mechanical response and thermal transport along pristine, free-standing and single-layer carbon nitride 2D material and conducted extensive first-principles density functional theory (DFT) calculations as well as molecular dynamics simulations.

TL;DR: The as-prepared active carbon is a promising anode material for the potassium ion battery, with high capacity, excellent rate performance, and great cycling stability as discussed by the authors, and the diffusion coefficient of K ion is also improved by 7 times as well.

TL;DR: In this paper, a single step reaction between Arundo donax and solid KOH at 600°C for 2h was developed to synthesize activated microporous carbons with a high specific surface area.

TL;DR: The use of carbon-based dots (C-bDs), involving carbon dots, carbon quantum dots and graphene quantum dots, as a new class of photoluminescent nanomaterials is rapidly expanding.

TL;DR: In this paper, the mussel-inspired protein polydopamine (PDA) was incorporated into chitosan (CS)/graphene oxide (GO) composite hydrogels with self-adhesive and self-healing properties, as well as electrical conductivity.

TL;DR: In this paper, a fiber-shaped asymmetric supercapacitor (ASC) was constructed with the metal oxides having a large work function difference, directly grown on a flexible and conductive carbon fiber (CF) substrate.

TL;DR: In this paper, the ultrathin porous carbon shell with the thickness of about 10nm has been fabricated by a facile method using sodium citrate as carbon precursor without any activation.

TL;DR: In this paper, a composite of single-wall carbon nanotubes (SWCNT) with diamond nanoparticles and a SWCNT paper coated with nanocrystalline diamond films is studied.

TL;DR: In this article, an asymmetric supercapacitor was constructed by using MnO2 nanorods/reduced graphene oxide (rGO) hybrid fibers as positive electrode and H3PO4/polyvinyl alcohol (PVA) as electrolyte.

TL;DR: In this paper, a 2D-2D MnO2/g-C3N4 heterojunction composite was synthesized via a simple in-situ redox reaction between KMnO4 and MnSO4·H2O adsorbed on the surface of g-C 3N4 layers via CO bonding.

TL;DR: In this paper, the effects of RGO content and annealing conditions on EMI shielding and mechanical properties were investigated, and the results demonstrate a promising and facile approach to fabricate low-cost and volume-preserving porous carbon material with superior and tunable electromagnetic interference shielding performance for potential applications in aerospace and wearable electronic devices.

TL;DR: In this article, a bio-inspired nanolaminated architecture was used to enhance the efficiencies of two-dimensional (2D) graphene in mechanical strengthening and electrical conducting by aligning graphene to maximize performance for required loading and carrier transporting conditions.

TL;DR: In this article, a double-layer solar steam generation system with double layer structures was developed, of which the top reduced graphene oxide (rGO) sheets as a light-to-heat conversion layer and the bottom mixed cellulose esters (MCE) membrane as a porous supporting layer.