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Sub-20 nm anatase particles uniformly anchored on graphene oxide and reduced graphene oxide nanosheets and their photocatalytic oxidation and Li-ion storage capabilities
Liu, Shaohong; Wen, Lei; Chen, Jialin; Li, Ji-Guang; Sun, Xudong; Li, Xiaodong; LI.Jiguang@nims.go.jp; xdsun@mail.neu.edu.cn
2016
发表期刊CERAMICS INTERNATIONAL
ISSN0272-8842
卷号42期号:3页码:3907-3915
摘要Nanosized anatase TiO2 particles anchored on nanocarbon substrates have great potential for practical applications in high-performance lithium ion batteries and efficient photocatalysts. The synthesis of this material usually utilizes calcination to crystallize amorphous titania, which normally causes the formation of aggregates and some side effects. In this work, we demonstrated that sub-20 nm anatase particles uniformly anchored on graphene oxide and reduced graphene oxide nanosheets in aqueous solution at a temperature of 90 degrees C and atmospheric pressure, without further calcination. The photocatalytic oxidation activity and electrochemical properties of graphene oxide/anatase TiO2 (GO/A) and reduced graphene oxide/anatase TiO2 (RGO/A) were comparatively investigated. We found that GO/A showed higher photocatalytic oxidation activity than RGO/A under UV light irradiation. Graphene oxide accepted electrons and suffered reduction, which finally decreased GO/A's photocatalytic oxidation activity to an extent similar to RGO/A. We also found that, as anode material for Li-ion battery, the specific capacity of RGO/A was nearly three times that of GO/A at the same current rate. This study will inspire better design of metal oxide/nanocarbon nanocomposites for high performance lithium ion battery and photocatalysis applications. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
部门归属[liu, shaohong ; li, ji-guang ; sun, xudong ; li, xiaodong] northeastern univ, sch met & mat, key lab anisotropy & texture mat, minist educ, shenyang 110819, peoples r china ; [liu, shaohong ; chen, jialin ; sun, xudong] kunming inst precious met, state key lab adv technol comprehens utilizat pla, kunming 650106, peoples r china ; [wen, lei] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [li, ji-guang] natl inst mat sci, adv mat proc unit, 1-2-1 sengen, tsukuba, ibaraki 3050047, japan
关键词Nanocomposites Tio2 Batteries Nanocarbon Materials
资助者China Scholar Council (CSC) [201506085006]; Joint Funds of the National Natural Science Foundation of China [51102040, 51172242, 51172037, 51472047, U1302272]; Fundamental Research Funds for the Central Universities [N120402002, N130810003]; Scientific Research Fund of Liaoning Provincial Education Department [L2013111]; fund of the State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals [SKL-SPM-201506, SKL-SPM-201505, SKM-SPM-201214, SKL-SPM-201206]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75147
专题中国科学院金属研究所
通讯作者LI.Jiguang@nims.go.jp; xdsun@mail.neu.edu.cn
推荐引用方式
GB/T 7714
Liu, Shaohong,Wen, Lei,Chen, Jialin,et al. Sub-20 nm anatase particles uniformly anchored on graphene oxide and reduced graphene oxide nanosheets and their photocatalytic oxidation and Li-ion storage capabilities[J]. CERAMICS INTERNATIONAL,2016,42(3):3907-3915.
APA Liu, Shaohong.,Wen, Lei.,Chen, Jialin.,Li, Ji-Guang.,Sun, Xudong.,...&xdsun@mail.neu.edu.cn.(2016).Sub-20 nm anatase particles uniformly anchored on graphene oxide and reduced graphene oxide nanosheets and their photocatalytic oxidation and Li-ion storage capabilities.CERAMICS INTERNATIONAL,42(3),3907-3915.
MLA Liu, Shaohong,et al."Sub-20 nm anatase particles uniformly anchored on graphene oxide and reduced graphene oxide nanosheets and their photocatalytic oxidation and Li-ion storage capabilities".CERAMICS INTERNATIONAL 42.3(2016):3907-3915.
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