Zeolite-Assisted Shear Exfoliation of Graphite into Few-Layer Graphene

A novel method is presented to prepare few-layer graphene (FLG) in N-methyl-2-pyrrolidinone (NMP) by using a simple, low-cost and energy-effective shear exfoliation assisted by zeolite and using a cappuccino mixer to produce shear. We propose that the exfoliation of natural graphite flakes can be achieved using inelastic collisions between graphite flakes and zeolite particles in a dynamic colloidal fluid. To confirm the exfoliation of FLG, spectroscopy and morphological studies are carried out using Raman spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Additionally, the obtained graphene shows a linear flow of current and low resistance. The proposed method shows great promise for the industrial-scale synthesis of high-quality graphene with potential applications in future graphene-based devices, and furthermore, this method can be extended to exfoliate inorganic layered materials such as BN and MoS2.

Molecular studies of Cs adsorption sites in inorganic layered materials: the influence of solution concentration

Radioactive Cs released into a soil environment migrates along with groundwater in a manner dependent on Cs concentration.

Effect of intercalation and chromophore arrangement on the linear and nonlinear optical properties of model aminopyridine push–pull molecules

Three push–pull aminopyridine derivatives having D–π–A, D–(π–A)2, and D–(π–A)3 arrangements were examined as model organic chromophores capable of intercalation into inorganic layered materials.

Facile and efficient exfoliation of inorganic layered materials using liquid alkali metal alloys

Liquid alkali metal alloys have been applied to efficiently exfoliate MoS2, WS2and BN with high mono-layer yields.

Protein-concentration-dependent adsorption behaviour of inorganic layered materials

Adsorption patterns of BSA in different inorganic layered materials with different ionic exchange capacities (IEC) of low, suitable and high are shown from left to right. BSA/Clay concentrations (0/1-5/1) with respective d-spacing are shown from left to right.