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Findings from King Abdul-Aziz University Provides New Data on Carbon Research

May 16, 2014

By a News Reporter-Staff News Editor at Science Letter -- Investigators publish new report on Carbon Research. According to news originating from Jeddah, Saudi Arabia, by NewsRx correspondents, research stated, "With the advent of many different forms of graphene (in addition to the long standing interest in fullerenes and carbon nanotubes), the characterization of carbon materials and their degree of conjugation is a particularly important topic in carbon science. We report the application of absorption spectroscopy and conductivity measurements to graphene derivatives and related carbon materials."

Our news journalists obtained a quote from the research from King Abdul-Aziz University, "Reduced graphene oxide (RGO) has been widely studied as a promising material for graphene applications because of its processability, and the same considerations apply to graphene functionalized with octadecylamine (ODA). This study utilizes a direct chemical modification of GO with ODA in the presence of dicyclohexylcarbodiimide to partially regenerate the graphene it-conjugation while producing a material (ODA-G) with excellent solubility in organic solvents. We show that the ODA-G exhibits optical absorptions, which are much stronger than those of GO, and comparable to liquid phase exfoliated graphene and reduced graphene oxide; the optical analysis is unified by the development of an analytical relationship between solid state absorption coefficients and solution state extinction coefficients, which allows the direct comparison of the electronic absorption spectroscopy of films and solutions of carbon materials."

According to the news editors, the research concluded: "We further benchmark the regeneration of the graphenic structure in ODA-G with electrical conductivity measurements."

For more information on this research see: Optical and electronic properties of thin films and solutions of functionalized forms of graphene and related carbon materials. Carbon, 2014;72():82-88. Carbon can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier -; Carbon -

The news correspondents report that additional information may be obtained from X.J. Tian, King Abdulaziz Univ, Dept. of Phys, Jeddah 21589, Saudi Arabia. Additional authors for this research include S. Sarkar, A. Pekker, M.L. Moser, I. Kalinina, E. Sekyarova, M.E. Itkis and R.C. Haddon (see also Carbon Research).

Keywords for this news article include: Asia, Jeddah, Saudi Arabia, Carbon Research

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Source: Science Letter

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