Fabrication and Its Transient Optical Properties of Graphene Thin Films
Graphene thin films were fabricated via layer-by-layer (LbL) assembly of oppositely charged reduced graphene oxides (RGOs) and benign post-treatment.RGOs dispersions and thin films were characterized by means of transmission electron microscopy,UV-visible absorption spectrophotometer,Raman spectroscopy,and four-point probe.It was found that graphene thin films exhibited a significant increase in electrical conductivity after post-treatment.In addition,post-treatment and film thickness showed an effect on transient optical properties of graphene thin films.The transmittance (800 nm,pulse) of (RGO-PDDA+/RGO-O-)30 film decreased after post-treatment,and the transmittance (800 nm,pulse) of post-treated films decreased with increasing the number of LbL assembled bilayers.
Oppositely charged reduced graphene oxides Layer-by-layer assembly Benign post-treatment Transient optical properties
Jiayi Zhu Junhui He
Functional Nanomaterials Laboratory and Key Laboratory of Photochemical Conversion and Optoelectroni Functional Nanomaterials Laboratory and Key Laboratory of Photochemical Conversion and Optoelectroni
国际会议
the Chinese Materials Congress 2012(2012年中国材料大会(CMC2012))
太原
英文
892-902
2012-07-13（万方平台首次上网日期，不代表论文的发表时间）