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Showing 1–12 of 12 results
Advanced filters: Author: Luzhao Sun Clear advanced filters

  • Single-layer graphene, owing to its impermeability, is a promising candidate to prevent transmembrane ion transport. Here, the authors report a covalent functionalization method that enables centimeter-sized graphene to function as a proton exchange membrane in a direct methanol fuel cell.

    • Weizhe Zhang
    • Max Makurat
    • Grégory F. Schneider
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • Few-layer-thick 2D materials offer desirable electronic, thermal and mechanical properties, but their large-scale layer-controlled synthesis is still challenging. Here, the authors report an edge-feeding synchronous epitaxial growth method to synthesize homogeneous A3-sized graphene films with controlled thickness between 2 and 7 layers.

    • Buhang Chen
    • Xiongzhi Zeng
    • Zhongfan Liu
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • Air-water interface hinders cryo-EM reconstruction and achievable resolution. Here, a superstructure called GSAMs is developed to alleviate the air-water interface effect and improve the efficiency of cryo-EM analysis.

    • Liming Zheng
    • Jie Xu
    • Hailin Peng
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Bilayer graphene (BLG) is promising for optoelectronic applications due to its tunable bandgap, but its large-area growth on Cu substrates is still challenging. Here, the authors demonstrate the fast synthesis of high-coverage meter-scale BLG on commercial Cu foils by introducing CO2 during the growth.

    • Jincan Zhang
    • Xiaoting Liu
    • Zhongfan Liu
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • 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
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • Reliable transfer techniques are critical for the integration of 2D materials with arbitrary substrates. Here, the authors describe a method to transfer 4-inch and A4-sized defect-free graphene films onto rigid and flexible substrates with controllable conformal contact, leading to improved electrical properties and uniformity.

    • Yixuan Zhao
    • Yuqing Song
    • Zhongfan Liu
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Defect-free integration of 2D materials onto semiconductor wafers is desired to implement heterogeneous electronic devices. Here, the authors report a method to transfer high-quality graphene on target wafers via gradient surface energy modulation, leading to improved structural and electronic properties.

    • Xin Gao
    • Liming Zheng
    • Hailin Peng
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • 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
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8

  • This Primer on chemical vapour deposition summarizes current and emerging experimental set-ups as well as common characterization approaches used to determine thin film formation and quality as applied to graphene and other novel 2D materials.

    • Luzhao Sun
    • Guowen Yuan
    • Zhongfan Liu
    Reviews
    Nature Reviews Methods Primers
    Volume: 1, P: 1-20

  • Experimental testing of the expected linear optical anisotropy of 2D crystals, arising from their finite thickness, have so far been complicated by substrate contributions. Here, immersion of monolayer samples in a low-refractive-index polymer allows more accurate determination of their optical constants.

    • Zhemi Xu
    • Davide Ferraro
    • Michele Merano
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-8