Reduced graphene oxide by chemical graphitization

被引：1911

作者：

Moon, In Kyu ^{[1
]}

Lee, Junghyun ^{[1
]}

Ruoff, Rodney S. ^{[2
,3
]}

Lee, Hyoyoung ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Dept Chem, Natl Creat Res Initiat, Ctr Smart Mol Memory, Suwon 440746, Gyeonggi Do, South Korea

[2] Univ Texas Austin, Dept Mech Engn, Austin, TX 78712 USA

[3] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

来源：

NATURE COMMUNICATIONS | 2010年 / 1卷

关键词：

GRAPHITE OXIDE; EFFICIENT REDUCTION; FILMS; NANOSHEETS; COMPOSITE; SHEETS;

D O I：

10.1038/ncomms1067

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Reduced graphene oxides (RG-Os) have attracted considerable interest, given their potential applications in electronic and optoelectronic devices and circuits. However, very little is known regarding the chemically induced reduction method of graphene oxide (G-O) in both solution and gas phases, with the exception of the hydrazine-reducing agent, even though it is essential to use the vapour phase for the patterning of hydrophilic G-Os on prepatterned substrates and in situ reduction to hydrophobic RG-Os. In this paper, we report a novel reducing agent system (hydriodic acid with acetic acid (HI-AcOH)) that allows for an efficient, one-pot reduction of a solution-phased RG-O powder and vapour-phased RG-O (VRG-O) paper and thin film. The reducing agent system provided highly qualified RG-Os by mass production, resulting in highly conducting RG-OHI-AcOH. Moreover, VRG-OHI-AcOH paper and thin films were prepared at low temperatures (40 degrees C) and were found to be applicable to flexible devices. This one-pot method is expected to advance research on highly conducting graphene platelets.

引用

页数：6

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