From graphite oxide to nitrogen and sulfur co-doped few-layered graphene by a green reduction route via Chinese medicinal herbs

被引：29
作者：
Feng, Bin [1 ,2 ]
Xie, Jian [1 ,2 ]
Dong, Chen [2 ]
Zhang, Shichao [3 ]
Cao, Gaoshao [2 ]
Zhao, Xinbing [1 ,2 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Key Lab Adv Mat & Applicat Batteries Zhejiang Pro, Hangzhou, Zhejiang, Peoples R China
[3] Beijing Univ Aeronaut & Astronaut, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 34期
基金：
中国国家自然科学基金;
关键词：
METAL-FREE ELECTROCATALYSTS; OXYGEN-REDUCTION; FUNCTIONALIZED GRAPHENE; CHEMICAL-REDUCTION; FACILE SYNTHESIS; SCALE PRODUCTION; EXFOLIATION; PERFORMANCE; COMPOSITE; MOLECULES;
D O I：
10.1039/c4ra01985g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, we developed a green and facile approach to prepare graphene by the reduction of graphite oxide (GO) using two Chinese medicinal herbs: inulin and Chinese wolfberry. The reduced products were systematically characterized by UV-visible absorption spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Raman spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy and transmission electron microscopy. These results provided convincing evidence of the removal of oxygen-containing groups from GO to form few-layered graphene after the reduction reaction. Simultaneously, nitrogen and sulfur co-doping were achieved under a relatively low temperature (90 degrees C). The reduction mechanism of GO and N, S bonding configurations in graphene were also proposed.
引用
收藏
页码：17902 / 17907
页数：6
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