Thermodynamic and Kinetic Analysis of Lowtemperature Thermal Reduction of Graphene Oxide

Yin, Kuibo; Li, Haitao; Xia, Yidong; Bi, Hengchang; Sun, Jun; Liu, Zhiguo; Sun, Litao

doi:10.1007/bf03353652

Cited by 95 publications

(35 citation statements)

References 18 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…[4] Graphene oxide (GO) nanosheets are heavily oxygenated graphene with a great deal of epoxy, hydroxyl, and carboxyl functional groups on its basal planes. [5][6][7][8] These functional groups make them more compatible with organic polymers and perform unique properties in many fields. Nonetheless, more unique and superior properties of GO for material applications continue to be recognized or discovered.…”

Section: Introductionmentioning

confidence: 99%

Graphene Oxide-Silica Composite Fillers into the Experimental Dental Adhesives for Potential Therapy

Liu¹,

Hou²,

Chen³

et al. 2017

Med. Res.

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Graphene Oxide-Silica Composite Fillers into the Experimental Dental Adhesives for Potential Therapy

Liu¹,

Hou²,

Chen³

et al. 2017

Med. Res.

View full text Add to dashboard Cite

“…At the actual state of the art, the easiest way to produce bulk quantities of graphene is based on the reduction of GO [28][29][30]. Thermal reduction of GO has been reported to be very effective in restoring the graphene structure [31,32], but elevated temperatures (i.e. from 300 to 1000°C) are usually required to achieve a complete GO reduction in a reasonable time.…”

Section: Introductionmentioning

confidence: 99%

Liquid crystalline polymer nanocomposites reinforced with in-situ reduced graphene oxide

Pedrazzoli¹,

Dorigato²,

Conti³

et al. 2015

Express Polym. Lett.

View full text Add to dashboard Cite

Abstract. In this work liquid-crystalline polymer (LCP) nanocomposites reinforced with in-situ reduced graphene oxide are investigated. Graphene oxide (GO) was first synthesized by the Hummers method, and the kinetics of its thermal reduction was assessed. GO layers were then homogeneously dispersed in a thermotropic liquid crystalline polymer matrix (Vectran ® ), and an in-situ thermal reduction of GO into reduced graphene oxide (rGO) was performed. Even at low rGO amount, the resulting nanocomposites exhibited an enhancement of both the mechanical properties and the thermal stability. Improvements of the creep stability and of the thermo-mechanical behavior were also observed upon nanofiller incorporation. Furthermore, in-situ thermal reduction of the insulating GO into the more electrically conductive rGO led to an important surface resistivity decrease in the nanofilled samples.

show abstract

“…Furthermore, the activation energies values of 38.1 and 32.5 kcal/mol have been reported in another work [15], where thermogravimetric analysis (TGA) data were used for calculations based on diffusion and autocatalytic models for the GO reduction process respectively. In yet another paper [16], an activation energy of 40 kcal/mol has been found based on differential scanning calorimetry (DSC) data interrelating the maximum heat release temperature and the heating rate. Our results are in good agreement with those reported in the literature.…”

Section: Resultsmentioning

confidence: 99%

ERP study of graphite oxide thermal reduction: the evolution of paramagnetism and conductivity

Gudkov¹,

Mel’nikov²

2016

Nanosystems: Phys. Chem. Math.

View full text Add to dashboard Cite

The evolution of paramagnetic centers (PMC) and conductivity of graphite oxide (GO) during its thermal reduction has been studied by electron paramagnetic resonance (EPR) at 150 and 165• C. The GO samples for the study were prepared by systematically varying the KMnO 4 /Graphite weight ratios in the oxidation reaction. It has been shown that the PMC concentration increase in GO correlates with the intense evolution of gaseous products originating from the former oxygen-containing species of GO. The PMC concentration decrease has been described by the kinetic equation of the first order with an effective k e and an activation energy value of 33 kcal/mol. The values of k e decreased with increasing the quantities of KMnO 4 used in graphite oxidation reaction. The changes in GO conductivity were followed by measuring the microwave power absorption in the EPR-spectrometer resonator.The conductivity changes correlated with the decay of the radicals and occurred after the decomposition of the oxygen-containing groups was complete.

show abstract

Thermodynamic and Kinetic Analysis of Lowtemperature Thermal Reduction of Graphene Oxide

Cited by 95 publications

References 18 publications

Graphene Oxide-Silica Composite Fillers into the Experimental Dental Adhesives for Potential Therapy

Graphene Oxide-Silica Composite Fillers into the Experimental Dental Adhesives for Potential Therapy

Liquid crystalline polymer nanocomposites reinforced with in-situ reduced graphene oxide

ERP study of graphite oxide thermal reduction: the evolution of paramagnetism and conductivity

Contact Info

Product

Resources

About