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首页> 外文期刊>IEEE transactions on nanotechnology >Reduced Graphene Oxide-Based Piezoelectric Nanogenerator With Water Excitation
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Reduced Graphene Oxide-Based Piezoelectric Nanogenerator With Water Excitation

机译：还原水氧化石墨烯基压电纳米发电机

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摘要

Generation of electrical power using mechanical energies that are readily available in the environment has become indispensible to provide source energy to all the electronic devices that are used in day-to-day lives. In this study, reduced graphene oxide (RGO)/poly methyl methacralyte (PMMA)-based hybrid film has been employed for nanogeneration. The thin films were characterized using atomic force microscopy, field emission scanning electron microscopy, and X-ray photoelectron spectroscopy. The mechanical force exerted due to falling water on the device has been converted to electrical current by the RGO/PMMA based nanogenerators. The magnitude of generated current varied with volume of water dropped on the device. The roles of amount of functional groups present in RGO, metal stripes as bottom electrode and the spacing between the fingers have been explored. It was demonstrated that the device can also operate in selfpowered mode, i.e., without applying any bias. It is believed that this study would help in development of highly efficient RGO-based nanogenerator in a cost effective manner.
机译：使用环境中容易获得的机械能来产生电能已成为向日常生活中使用的所有电子设备提供能源的必不可少的手段。在这项研究中，基于氧化石墨烯（RGO）/聚甲基丙烯酸甲酯（PMMA）的混合薄膜已用于纳米世代。使用原子力显微镜，场发射扫描电子显微镜和X射线光电子能谱对薄膜进行表征。由于水滴落在设备上而施加的机械力已通过基于RGO / PMMA的纳米发电机转换为电流。产生的电流的大小随设备上滴下的水量而变化。 RGO中存在的功能基团的数量，作为底部电极的金属条以及手指之间的间距的作用已被探索。已经证明该设备还可以在自供电模式下操作，即不施加任何偏压。相信这项研究将以经济有效的方式帮助开发高效的基于RGO的纳米发电机。

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