An electrical method for the measurement of the thermal and electrical conductivity of reduced graphene oxide nanostructures

This paper introduces an electrical four-point measurement method enabling thermal and electrical conductivity measurements of nanoscale materials. The method was applied to determine the thermal and electrical conductivity of reduced graphene oxide flakes. The dielectrophoretically deposited samples exhibited thermal conductivities in the range of 0.14-2.87 W m(-1) K(-1) and electrical conductivities in the range of 6.2 x 10(2)-6.2 x 10(3) Omega(-1) m(-1). The measured properties of each flake were found to be dependent on the duration of the thermal reduction and are in this sense controllable.

[1]  Inhwa Jung,et al.  Tunable electrical conductivity of individual graphene oxide sheets reduced at "low" temperatures. , 2008, Nano letters.

[2]  S. Stankovich,et al.  Chemical analysis of graphene oxide films after heat and chemical treatments by X-ray photoelectron and Micro-Raman spectroscopy , 2009 .

[3]  D. Poulikakos,et al.  Fountain-pen controlled dielectrophoresis for carbon nanotube-integration in device assembly , 2008 .

[4]  Dongmin Chen,et al.  Synthesis and Solid-State NMR Structural Characterization of 13C-Labeled Graphite Oxide , 2008, Science.

[5]  R. Ruoff,et al.  Graphene: calling all chemists. , 2008, Nature nanotechnology.

[6]  S. Sarma,et al.  Measurement of scattering rate and minimum conductivity in graphene. , 2007, Physical review letters.

[7]  Alexander A. Balandin,et al.  Thermal conductivity of diamond-like carbon films , 2006 .

[8]  L. Lu,et al.  3ω method for specific heat and thermal conductivity measurements , 2001, quant-ph/0202038.

[9]  John Silcox,et al.  Atomic and electronic structure of graphene-oxide. , 2009, Nano letters.

[10]  Kang L. Wang,et al.  A chemical route to graphene for device applications. , 2007, Nano letters.

[11]  C. N. Lau,et al.  PROOF COPY 020815APL Extremely high thermal conductivity of graphene: Prospects for thermal management applications in nanoelectronic circuits , 2008 .

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

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

[14]  Jean-Pierre Leburton,et al.  Nonlinear transport and heat dissipation in metallic carbon nanotubes. , 2005, Physical review letters.

[15]  Dimos Poulikakos,et al.  High-yield dielectrophoretic assembly of two-dimensional graphene nanostructures , 2009 .

[16]  Dimos Poulikakos,et al.  Measurement of thermal conductivity of individual multiwalled carbon nanotubes by the 3-ω method , 2005 .

[17]  On the effect of the electrical contact resistance in nanodevices , 2008 .

[18]  R. Stoltenberg,et al.  Evaluation of solution-processed reduced graphene oxide films as transparent conductors. , 2008, ACS nano.

[19]  Andre K. Geim,et al.  Electric Field Effect in Atomically Thin Carbon Films , 2004, Science.

[20]  T. Choi,et al.  A Dielectrophoretic Method for High Yield Deposition of Suspended, Individual Carbon Nanotubes with Four-Point Electrode Contact , 2007 .

[21]  K. Müllen,et al.  Transparent, conductive graphene electrodes for dye-sensitized solar cells. , 2008, Nano letters.

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

[23]  Gang Chen,et al.  1ω,2ω, and 3ω methods for measurements of thermal properties , 2005 .

[24]  T. Choi,et al.  Measurement of the thermal conductivity of individual carbon nanotubes by the four-point three-ω method , 2006 .

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

[26]  Zhongqing Wei,et al.  Reduced graphene oxide molecular sensors. , 2008, Nano letters.

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

[28]  G. Eda,et al.  Large-area ultrathin films of reduced graphene oxide as a transparent and flexible electronic material. , 2008, Nature nanotechnology.