Current Physical Chemistry - Volume 3, Issue 3, 2013

Graphene, one-atom-thick sheet of graphite, has many unique properties of high conductivity and charge carrier mobility, huge specific surface area and high energy storage as well as excellent mechanical strength. During the past several years, a variety of graphene doped electrode materials were successfully prepared and applied in lithium ion batteries. In this review, we will summarize the recent advances in the s Read More

Graphene has been attracted lots of attention for its unique properties and various applications in transistors, transparent conductors, sensors, etc. Many applications require stable and individual dispersion of graphene sheets in liquid phase. There are two ways to obtain graphene dispersion: 1) to disperse graphene powder in aqueous solution or organic solvents, 2) to exfoliate graphite into monolayer sheets in liquid phase direc Read More

Graphene sheets have outstanding electrical, thermal, and mechanical properties. Furthermore, owing to the abundance of naturally existing graphite as the source material for graphene, it is considered an ideal reinforcing component to modify the properties of matrix, compared with other carbon nanofillers. This review will summarize the development of graphene/polymer composites, graphene/nanoparticle composi Read More

Graphene, whose discovery won the 2010 Nobel Prize in physics, has been a shining star in the material science in the past few years. Owing to its interesting electrical, optical, mechanical and chemical properties, graphene has found potential applications in a wide range of areas, including biomedicine, photocatalysis, nanoelectronics, etc. In this review, we summarize the latest progress of graphene in biological applications Read More

Graphene, a single-atom-thick planar sheet of graphite with zero-band gap, has great potential applications in nanoelectrics, biosensing, energy storage owing to its unique electrical, mechanical, and physical properties. Graphene nanoribbons (GNRs) are narrow and straight-edged stripes of graphene sheets. They are predicted to exhibit band gaps useful for field-effect transistors with high on/off ratio and carrier mobility. Ov Read More

High values of Young’s modulus, excellent fracture strength, extremely high carrier mobility and optical transmittance make graphene films a promising and emerging candidate for next generation transparent and conductive electrodes for future optoelectronic devices. In this brief review, the research progress of graphene-based transparent and conductive electrode will be presented, with an emphasis on the prep Read More

Clay mineral particles are interesting nanosized building blocks due to their high aspect ratio and the chemical properties. The main interest in this nanosized building blocks results essentially from the colloidal size and the permanent structural charge of the particles. Smectites or swelling clay minerals are naturally occurring nanomaterials that can be fully delaminated to elementary clay mineral platelets in dilute aqueous disp Read More

In the last couple of years, dilute magnetic semiconductor (DMS) has drawn significant interest in the scientific community. Primarily this is due to its potential for application in spintronic devices. The euphoria acquired momentum following the theoretical prediction that diamagnetic ZnO can be made ferromagnetic even at room temperature by doping with transition metal (TM) ions such as Mn. The exact nature of the ferro Read More

The aim of the present work is to analyse the dependence of the interaction energy between β-cyclodextrin and linear guest molecules on the composition and atomic distribution of the latter. The intermolecular energy is modelled by a Lennard-Jones potential where the molecular composition is represented by different parameters (σ1 ,ε1 ,σ2 ,ε2, p,mi), and a continuum description of the guest and cavity walls. The Read More

TiO2 nanoparticles were prepared by the sol–gel method using sodium dodecyl sulfonate, triton, tetrabutyl ammonium bromide surfactants and tested for the removal of Orange 2G dye from aqueous under UV light. The synthesized photocatalysts were characterized by XRD, FTIR, TEM, and BET measurements. The XRD patterns indicated that the crystalline phase of TiO2 is mainly anatase with crystallite sizes of 17.7-12.6 n Read More