Abstract
Ultraflexible, wearable, transparent, and conductive films have recently attracted increasing interest due to their applicability in various electronic devices. In this work, we report a facile, green, and inexpensive approach to preparing flexible hybrid films from graphene nanowalls (GNWs) and ethylene vinyl acetate (EVA) copolymer based on plasma-enhanced chemical vapor deposition (PECVD). PECVD at low temperature (~700 °C) on electrochemically polished Cu foil was found to be an effective method of preparing highly conductive and highly transparent GNWs. The resulting GNWs/EVA hybrid films can be randomly folded, bent, and tailored; they also have a low sheet resistance of ~2.09 kΩ sq−1, a high optical transparency of 67.58% in the UV region, and high wear resistance and ductility, all of which imply that these are highly promising films for use in flexible electronic applications.
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