石墨烯发光
Making Graphene Luminescent
摘要：
我们发现，强烈的光致发光（PL）可以诱导在单层石墨烯上使用氧等离子体处理。PL特性在整个薄片上是空间均匀的，并且连接到与无间隙原始石墨烯的弹性散射光谱明显不同的弹性散射光谱。当处理多层样品时，氧等离子体可用于选择性地转化最顶层
英文摘要：
We show that strong photoluminescence (PL) can be induced in single-layer graphene on using an oxygen plasma treatment. PL characteristics are spatially uniform across the flakes and connected to elastic scattering spectra distinctly different from those of gapless pristine graphene. Oxygen plasma can be used to selectively convert the topmost layer when multi-layer samples are treated
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