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Photoreduction of graphene oxide is a flexible and green method to produce high-quality large-scale reduced graphene oxide. However, the dynamics of photoreduction of monolayer graphene oxide on the substrate, which plays a key role in practical applications, is still unclear. Here we perform fluorescence lifetime measurements to develop and understand this process by using time-correlated single...
The recent boom in sensor and optical materials based on graphene oxide (GO) requires the improvement and control of its optoelectronic properties. Here, we report the imaging and spectrum of transmission and fluorescence for monolayer graphene oxide (mGO) in an external electric field. It is demonstrated that the image of mGO reveals pronounced spatial heterogeneity under an electric field, and the...