Preparation and properties of graphene nanosheets–polystyrene nanocomposites via in situ emulsion polymerization

Abstract Graphene nanosheets–polystyrene nanocomposites were prepared by in situ emulsion polymerization and reduction of graphene oxide using hydrazine hydrate. PS microspheres covalently linked to the edges of graphene nanosheets. The polystyrene-absorbed graphene has been dispersed well in the solvents of toluene and chloroform. The nanocomposites display high electrical conductivity, and a considerable increase in glass-transition temperature and good thermal stability of PS are also achieved. The facile and environmental-friendly technique presented here is an effective and promising method of functionalization of graphene sheets by polymers or other compounds.

[1]  M. Itkis,et al.  Graphite Nanoplatelet−Epoxy Composite Thermal Interface Materials , 2007 .

[2]  A. Govindaraj,et al.  Binding of DNA nucleobases and nucleosides with graphene. , 2009, Chemphyschem : a European journal of chemical physics and physical chemistry.

[3]  I. Dékány,et al.  Composite graphitic nanolayers prepared by self-assembly between finely dispersed graphite oxide and a cationic polymer , 2005 .

[4]  G. Wallace,et al.  Processable aqueous dispersions of graphene nanosheets. , 2008, Nature nanotechnology.

[5]  Stephen Mann,et al.  Fabrication of Graphene–Polymer Nanocomposites With Higher‐Order Three‐Dimensional Architectures , 2009 .

[6]  S. Stankovich,et al.  Preparation and characterization of graphene oxide paper , 2007, Nature.

[7]  S. Stankovich,et al.  Graphene-based composite materials , 2006, Nature.

[8]  M. Rajamathi,et al.  Graphite oxide-intercalated anionic clay and its decomposition to graphene-inorganic material nanocomposites. , 2008, Langmuir : the ACS journal of surfaces and colloids.

[9]  A. Raghu,et al.  Preparation and Physical Properties of Waterborne Polyurethane/Functionalized Graphene Sheet Nanocomposites , 2008 .

[10]  G. Pan,et al.  Polymer Photovoltaic Cells Based on Solution‐Processable Graphene and P3HT , 2009 .

[11]  Graphene-on-Sapphire and Graphene-on-Glass: Raman Spectroscopy Study , 2007, 0710.2369.

[12]  Yongsheng Chen,et al.  Superparamagnetic graphene oxide–Fe3O4nanoparticles hybrid for controlled targeted drug carriers , 2009 .

[13]  Bei Wang,et al.  Synthesis of enhanced hydrophilic and hydrophobic graphene oxide nanosheets by a solvothermal method , 2009 .

[14]  C. N. Lau,et al.  Superior thermal conductivity of single-layer graphene. , 2008, Nano letters.

[15]  D. Teweldebrhan,et al.  Modification of graphene properties due to electron-beam irradiation , 2008, 0812.0571.

[16]  A Gupta,et al.  Raman scattering from high-frequency phonons in supported n-graphene layer films. , 2006, Nano letters.

[17]  Yizhe Hu,et al.  Synthesis of amphiphilic graphene nanoplatelets. , 2009, Small.

[18]  Feng Li,et al.  Field Emission of Single‐Layer Graphene Films Prepared by Electrophoretic Deposition , 2009 .

[19]  G. Eda,et al.  Graphene-based composite thin films for electronics. , 2009, Nano letters.

[20]  P. Kamat,et al.  TiO2-graphene nanocomposites. UV-assisted photocatalytic reduction of graphene oxide. , 2008, ACS nano.

[21]  Nadia Grossiord,et al.  Characterization of conductive multiwall carbon nanotube/polystyrene composites prepared by latex technology , 2007 .

[22]  Hui‐Ming Cheng,et al.  Synthesis of graphene sheets with high electrical conductivity and good thermal stability by hydrogen arc discharge exfoliation. , 2009, ACS nano.

[23]  Xin Wang,et al.  Graphene−Metal Particle Nanocomposites , 2008 .

[24]  H. Dai,et al.  Noncovalent sidewall functionalization of single-walled carbon nanotubes for protein immobilization. , 2001, Journal of the American Chemical Society.

[25]  Andre K. Geim,et al.  The rise of graphene. , 2007, Nature materials.

[26]  C. N. Lau,et al.  Variable temperature Raman microscopy as a nanometrology tool for graphene layers and graphene-based devices , 2007 .

[27]  Feng Wang,et al.  Gate-Variable Optical Transitions in Graphene , 2008, Science.

[28]  S. Stankovich,et al.  Synthesis of graphene-based nanosheets via chemical reduction of exfoliated graphite oxide , 2007 .

[29]  Dimitrios Gournis,et al.  Graphite Oxide: Chemical Reduction to Graphite and Surface Modification with Primary Aliphatic Amines and Amino Acids , 2003 .