Optimizing PMMA solutions to suppress contamination in the transfer of CVD graphene for batch production

• Chun-Da Liao,
• Andrea Capasso,
• Tiago Queirós,
• Telma Domingues,
• Fatima Cerqueira,
• Nicoleta Nicoara,
• Jérôme Borme,
• Paulo Freitas and
• Pedro Alpuim

Beilstein J. Nanotechnol. 2022, 13, 796–806, doi:10.3762/bjnano.13.70

• illustrated in Supporting Information File 1, Figure S1. Graphene/Cu foil was spin-coated with PMMA at 3000 rpm for 30 s, followed by drying in a fume hood for 8 h. The back side graphene was removed by oxygen plasma (4 × 10−1 mbar, 250 W, 90 s). PMMA/graphene/Cu foil was placed over the 0.5 M FeCl3 solution

Effects of temperature and repeat layer spacing on mechanical properties of graphene/polycrystalline copper nanolaminated composites under shear loading

• Chia-Wei Huang,
• Man-Ping Chang and
• Te-Hua Fang

Beilstein J. Nanotechnol. 2021, 12, 863–877, doi:10.3762/bjnano.12.65

• . Keywords: dislocation; graphene/Cu; molecular dynamics; shear; self-healing; Introduction Graphene is a monolayered hexagonal thin film composed of sp2-bonded carbon atoms and has extraordinary properties for applications in nanoelectronics [1][2][3][4][5][6]. However, because of the two-dimensional

• ), and ten layers (λ = 1.6 nm) are used to examine the effect of changing the distance between zigzag graphene sheets on the mechanical properties of the GPCuNL composites. Figure 10 depicts the stress–strain curve of zigzag graphene/Cu composites with different repeat layer spacings at 300 K. The

• and reinforce the plasticity under shear loading. Figure 11 shows the shear modulus of zigzag graphene/Cu composites with different repeat layer spacings at 300 K. The shear modulus decreases with an increase in layer spacing. For λ = 1.6 nm, the shear modulus is 67 GPa; and for λ = 7 nm, the shear

Investigation of CVD graphene as-grown on Cu foil using simultaneous scanning tunneling/atomic force microscopy

• Majid Fazeli Jadidi,
• Umut Kamber,
• Oğuzhan Gürlü and
• H. Özgür Özer

Beilstein J. Nanotechnol. 2018, 9, 2953–2959, doi:10.3762/bjnano.9.274

• two main groups, i.e., “strongly bonded” and “weakly bonded”. Graphene–Ni, graphene–Co and graphene–Rh are classified as strongly bonded and others such as graphene–Cu, graphene–Au and graphene–Ir are classified as weakly bonded. Moreover, graphene–metal interaction can result in a lattice-matched

Two-dimensional carbon-based nanocomposites for photocatalytic energy generation and environmental remediation applications

• Suneel Kumar,
• Ashish Kumar,
• Ashish Bahuguna,
• Vipul Sharma and
• Venkata Krishnan

Beilstein J. Nanotechnol. 2017, 8, 1571–1600, doi:10.3762/bjnano.8.159

• . Here graphene also plays a key role as the cocatalyst to enhance the H2 production. Furthermore, Lv et al. [125] demonstrated the cocatalytic function of metal-doped graphene (Cu-doped graphene–TiO2 composites). They found the H2 generation efficiency of Cu-graphene cocatalyst is about five times

Graphene functionalised by laser-ablated V₂O₅ for a highly sensitive NH₃ sensor

• Margus Kodu,
• Artjom Berholts,
• Tauno Kahro,
• Mati Kook,
• Peeter Ritslaid,
• Helina Seemen,
• Tea Avarmaa,
• Harry Alles and
• Raivo Jaaniso

Beilstein J. Nanotechnol. 2017, 8, 571–578, doi:10.3762/bjnano.8.61

• allowed to cool slowly, 15 °C/min in Ar flow. The as-grown graphene film was transferred onto a Si/SiO2 substrate by using poly(methyl methacrylate) (PMMA; MW ≈997,000 Da, GPC, Alfa Aesar) as a supporting material. The PMMA solution (1% in chlorobenzene) was spin-coated onto graphene/Cu, dried, and the Cu