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Free-radical-promoted conversion of graphite oxide into chemically modified graphene. | LitMetric

Free-radical-promoted conversion of graphite oxide into chemically modified graphene.

Chemistry

State Key Laboratory of Applied Organic Chemistry (SKLAOC), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China.

Published: May 2013

AI Article Synopsis

  • The study presents a novel method for creating chemically modified graphene (CMG) that avoids traditional reducing agents by utilizing phenyl free radicals.
  • This technique effectively transforms graphite oxide (GO) into phenyl-functionalized CMG through mild reactions, highlighting a new approach to CMG preparation.
  • The resulting phenyl-functionalized graphene demonstrates outstanding potential as an electrode material for lithium batteries, indicating its practical applications.

Article Abstract

The preparation of chemically modified graphene (CMG) generally involves the reduction of graphite oxide (GO) by using various reducing reagents. Herein, we report a free-radical-promoted synthesis of CMG, which does not require any conventional reductant. We demonstrated that the phenyl free radical can efficiently promote the conversion of GO into CMG under mild conditions and produces phenyl-functionalized CMG. This pseudo-"reduction" process is attributed to a free-radical-mediated elimination of the surface-attached oxygen-containing functionalities. This work illustrates a new strategy for preparing CMG that is alternative to the conventional means of chemical reduction. Furthermore, the phenyl-functionalized graphene shows an excellent performance as an electrode material for lithium-battery applications.

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Source
http://dx.doi.org/10.1002/chem.201203819DOI Listing

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