Temperature dependent Raman spectroscopy of chemically derived graphene

被引:41
作者
Allen, Matthew J. [2 ,3 ,4 ]
Fowler, Jesse D. [1 ]
Tung, Vincent C. [2 ,3 ]
Yang, Yang [2 ,3 ]
Weiller, Bruce H. [1 ]
Kaner, Richard B. [2 ,3 ,4 ]
机构
[1] Aerosp Corp, Mat Proc & Evaluat Dept, Space Mat Lab, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
[3] Univ Calif Los Angeles, Calif NanoSyst Inst, Los Angeles, CA 90095 USA
[4] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA
基金
美国国家科学基金会;
关键词
liquid phase deposition; nanostructured materials; Raman spectra; suspensions;
D O I
10.1063/1.3011030
中图分类号
O59 [应用物理学];
学科分类号
摘要
Reduced graphite oxide (GO) has shown promise as a scalable alternative to mechanically exfoliated specimens. Although many measurements show that reduced GO has properties approaching those of pristine graphene, it has been difficult to quantify the extent to which the graphitic network is restored upon reduction. Raman spectroscopy is widely used for the characterization of mechanically exfoliated graphene, but has not been fully explored for reduced GO. In this work, hydrazine suspensions of reduced GO are deposited on micro-hot-plates and examined over a range of temperatures by Raman spectroscopy. The work highlights the benefits of solution processing.
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页数:3
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