Abstract
In this study direct observation and dynamics of nanoscale water and nanobubbles within graphene nanoscrolls were reported. The life time of these nanobubbles is much higher than expected, which we propose is due to the combination of several factors including localized heating and surface charge. The stability of the nanobubbles within graphene nanoscrolls has been theoretically analyzed. The nanobubbles inside these nanoscrolls reveal a wide distribution of graphene-water contact angles. Bubble dynamics within these graphene nanochannels was directly observed and recorded.
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