氧化石墨烯及其氧化铁复合物的原位合成(英文)

被引：20

作者：

V.K.Singh

M.K.Patra

M.Manoth

G.S.Gowd

S.R.Vadera

N.Kumar

机构：

[1] DefenceLaboratory

来源：

新型炭材料 | 2009年 / 24卷 / 02期

关键词：

氧化石墨; 氧化石墨烯; 氧化铁; 复合物;

D O I：

暂无

中图分类号：

TB383.1 [];

学科分类号：

摘要：

开发了在富氧Fe（acac）3络合物体系中膨化氧化石墨制取氧化石墨烯/Fe2O3复合物的一步法。应用FT-IR、XRD、VSM、AFM及低温直流电导测量法对所制氧化石墨/Fe2O3复合物进行表征。FT-IR研究结果显示:膨化后,氧化石墨的环氧基团分解,同时形成了氧化铁粒子与氧化石墨烯复合物。AFM测试表明:在较高Fe2O3含量下,氧化石墨烯片层结构剥蚀形成厚达5mm氧化石墨烯叠层。VSM研究显示:在室温和0.13emu/g5.5emu/g范围内,全部复合物呈铁磁特性。这些复合物的导电性受控于准电子跃迁机制。

引用

页码：147 / 152

页数：6

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