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首页> 外文期刊>Chemistry: A European journal >Assembly of graphene nanosheets and SiO_2 nanoparticles towards transparent, antireflective, conductive, and superhydrophilic multifunctional hybrid films
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Assembly of graphene nanosheets and SiO_2 nanoparticles towards transparent, antireflective, conductive, and superhydrophilic multifunctional hybrid films

机译：石墨烯纳米片和SiO_2纳米粒子向透明，减反射，导电和超亲水多功能杂化膜的组装

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摘要

A new approach for the fabrication of transparent, antireflective, conductive and superhydrophilic multifunctional hybrid films through the layer-by-layer (LbL) assembly of reduced graphene oxide (RGO) nanosheets and SiO_2 nanoparticles is reported. The RGO nanosheets, SiO_2 nanoparticles and films were characterized by means of transmission electron microscopy, UV/Vis absorption spectrophotometry, Raman spectroscopy, atomic force microscopy, contact angle/interface system, and a four-point probe. It was found that the graphene/SiO_2 hybrid films exhibited a significant increase in transmittance as compared with RGO films. The optical, electronic and wetting properties of hybrid films could be manipulated by rational design of the film structure and variation of the cycle number of the LbL assembly. The obtained transparent, conductive, and superhydrophilic graphene/SiO_2 hybrid films showed excellent antireflective, antistatic, and antifogging behaviors. The remarkable performance could be attributed to the combination of electrical conductivity of RGO nanosheets and superhydrophilic antireflective surface derived from SiO_2 nanoparticles. One film, multiple functions: A new graphene/SiO_2 hybrid film with a self-antireflective structure was fabricated by layer-by-layer assembly of graphene nanosheets and SiO_2 nanoparticles. The self-antireflective structure could enhance the transmittance of hybrid films. The transparent, conductive, and superhydrophilic graphene/SiO_2 hybrid film showed excellent antireflective, antistatic, and antifogging behaviors (see figure).
机译：通过还原氧化石墨烯（RGO）纳米片和SiO_2纳米粒子的逐层（LbL）组装，制造透明，减反射，导电和超亲水多功能杂化膜的新方法已报道。通过透射电子显微镜，UV / Vis吸收分光光度法，拉曼光谱，原子力显微镜，接触角/界面系统和四点探针对RGO纳米片，SiO_2纳米颗粒和薄膜进行了表征。发现与RGO膜相比，石墨烯/ SiO_2杂化膜显示出透射率的显着增加。可以通过合理设计膜结构和改变LbL组件的循环数来控制杂化膜的光学，电子和润湿性能。所得的透明，导电和超亲水性石墨烯/ SiO_2杂化膜表现出优异的抗反射，抗静电和防雾性能。 RGO纳米片的电导率和SiO_2纳米粒子产生的超亲水抗反射表面的结合是其卓越的性能。一层膜，多种功能：通过石墨烯纳米片和SiO_2纳米颗粒的逐层组装，制备了具有自反射结构的新型石墨烯/ SiO_2杂化膜。自抗反射结构可以提高混合膜的透射率。透明，导电和超亲水的石墨烯/ SiO_2杂化膜表现出出色的抗反射，抗静电和防雾性能（见图）。

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