Plasmon-induced metal restructuring and graphene oxidation monitored by surface-enhanced Raman spectroscopy
Plasmon-induced metal restructuring and graphene oxidation monitored by surface-enhanced Raman spectroscopy
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DOI：
10.1016/j.apmt.2019.02.018
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发表时间：
2019-06
影响因子：
8.3
通讯作者：
Jinjiang Zhang;Ruifeng Zhou;Hiro Minamimoto;K. Murakoshi
中科院分区：
文献类型：
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作者：
Jinjiang Zhang;Ruifeng Zhou;Hiro Minamimoto;K. Murakoshi
石墨烯的表面增强拉曼光谱 (SERS) 使用通过角分辨纳米球光刻技术制备的金纳米二聚体和功率不断增加的 785 nm 激光进行测量。发现D带和2D带之间的比率随激光功率的变化而变化。这种变化归因于局域表面等离子体（LSP）的影响，它导致金纳米二聚体的重组和石墨烯的氧化。我们建立了使用 SERS 表征石墨烯缺陷形成的方法。
The surface enhanced-Raman spectroscopy (SERS) of the graphene was measured using Au nanodimers prepared by angle-resolved nanosphere lithography and 785 nm laser with increasing power. It is found that the ratio between D band and 2D band changes with laser power. The change is attributed to the effect of localized surface plasmon (LSP), which causes the restructuring of Au nanodimers and oxidation of graphene. We established the method to characterize the formation of the defects in graphene using SERS.