Graphene oxide as a photocatalytic material

被引：283
|
作者：
Krishnamoorthy, Karthikeyan [1 ]
Mohan, Rajneesh [2 ]
Kim, S. -J. [1 ,2 ]
机构：
[1] Cheju Natl Univ, Nanomat & Syst Lab, Dept Mech Syst Engn, Cheju 690756, South Korea
[2] Cheju Natl Univ, Dept Mechatron Engn, Cheju 690756, South Korea
来源：
APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 24期
基金：
新加坡国家研究基金会;
关键词：
EXFOLIATION; SHEETS; WATER;
D O I：
10.1063/1.3599453
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The photocatalytic characteristics of graphene oxide (GO) nanostructures synthesized by modified Hummer's method were investigated by measuring reduction rate of resazurin (RZ) into resorufin (RF) as a function of UV irradiation time. The progress of the photocatalytic reaction was monitored by change in color from blue (RZ) into pink (RF) followed by absorption spectra. It exhibited excellent photocatalytic activity, leading to the reduction of RZ in UV irradiation. The fitting of absorbance maximum versus time suggests that the reduction of RZ follow the pseudo first-order reaction kinetics. These results indicate that GO have great potential for use as a photocatalyst. (C) 2011 American Institute of Physics. [doi:10.1063/1.3599453]
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页数：3
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