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| Credit: Article schematic |
A team led by Silvija Gradecak [MIT] has succeeded in growing ZnO nanowire arrays on graphene by modifying the surface of the carbon material with conducting polymer interlayers. The researchers synthesized ZnO seed layers on the interfacial polymer layers, which results in well ordered ZnO nanowire growth via a low-temperature hydrothermal process. "The polymer coating process, the ZnO seed layer deposition and hydrothermal ZnO nanowire growth are all possible in solution and under ambient conditions," explained Gradecak. "What is more, the interfacial conductive polymer coating allows for efficient charge transfer between the ZnO nanowires and graphene, so preserving the latter's unique electronic properties."
Nanotech web: Graphene optoelectronics goes flexible
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