Department of Science and Technology (ITN), Linköping University, Campus Norrköping, SE-601 74 Norrköping, Sweden.
Nanoscale Res Lett. 2011 Aug 16;6(1):493. doi: 10.1186/1556-276X-6-493.
Graphene is a leading contender for the next-generation electronic devices. We report a method to produce graphene membranes in the solution phase using polymeric imidazolium salts as a transferring medium. Graphene membranes were reduced from graphene oxides by hydrazine in the presence of the polyelectrolyte which is found to be a stable and homogeneous dispersion for the resulting graphene in the aqueous solution. A simple device with gold contacts on both sides was fabricated in order to observe the electronic properties.
石墨烯是下一代电子设备的主要候选材料之一。我们报告了一种在溶液相中使用聚合物咪唑盐作为传递介质来制备石墨烯膜的方法。在存在聚电解质的情况下，通过水合肼将氧化石墨烯还原为石墨烯，发现聚电解质在水溶液中是所得石墨烯的稳定且均匀的分散体。我们制作了一个具有两面金电极的简单器件，以便观察其电子性质。
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