Synthesis of porous reduced graphene oxide as metal-free carbon for adsorption and catalytic oxidation of organics in water

Synthesis of porous reduced graphene oxide as metal-free carbon for adsorption and catalytic oxidation of organics in water

Activation of reduced graphene oxide (RGO) using CO sub(2) to obtain highly porous and metal-free carbonaceous materials for adsorption and catalysis was investigated. A facile one-pot thermal process can simultaneously reduce graphene oxide and produce activated RGO without introducing any solid or...

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Veröffentlicht in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2013-01, Vol.1 (19), p.5854-5859
Hauptverfasser: Peng, Wenchao, Liu, Shizhen, Sun, Hongqi, Yao, Yunjin, Zhi, Linjie, Wang, Shaobin
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container_issue 19
container_start_page 5854
container_title Journal of materials chemistry. A, Materials for energy and sustainability
container_volume 1
creator Peng, Wenchao
Liu, Shizhen
Sun, Hongqi
Yao, Yunjin
Zhi, Linjie
Wang, Shaobin
description Activation of reduced graphene oxide (RGO) using CO sub(2) to obtain highly porous and metal-free carbonaceous materials for adsorption and catalysis was investigated. A facile one-pot thermal process can simultaneously reduce graphene oxide and produce activated RGO without introducing any solid or aqueous activation agent. This process can significantly increase the specific surface area (SSA) of RGO from 200 to higher than 1200 m super(2) g super(-1), and the obtained materials were proven to be highly effective for adsorptive removal of both anionic (phenol) and cationic (methylene blue, MB) organics from water. Moreover, the activated RGO materials exhibited much better activity in effective activation of peroxymonosulfate (PMS) to produce sulfate radicals for oxidative degradation of MB.
doi_str_mv 10.1039/c3ta10592j
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title Synthesis of porous reduced graphene oxide as metal-free carbon for adsorption and catalytic oxidation of organics in water
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