Formation of uniform reduced graphene oxide films on modified PET substrates using drop-casting method
In this work,uniform reduced graphene oxide（RGO） films were formed on poly-（ethylene terephthalate）（PET） substrates using a simple drop-casting method.We investigated four types of substrates：unmodified PET,polydopamine-coated PET.carboxyl-group-modified PET,and alkyl-group-modified PET.Upon water e...
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| Veröffentlicht in: | Particuology 2014-12, Vol.17 (6), p.66-73 |
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| container_title | Particuology |
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| creator | Zhao, Chunlin Xing, Li Xiang, Junhui Cui, Lijie Jiao, Jianbin Sai, Huazheng Li, Zhenyou Li, Fei |
| description | In this work,uniform reduced graphene oxide（RGO） films were formed on poly-（ethylene terephthalate）（PET） substrates using a simple drop-casting method.We investigated four types of substrates：unmodified PET,polydopamine-coated PET.carboxyl-group-modified PET,and alkyl-group-modified PET.Upon water evaporation,the surface of the polydopamine-modified PET substrates can interact with the reduced graphene oxide sheets to form flattened and continuous RGO films,which exhibit a sheet resistance of 21.75 kΩ/sq at 82% transmittance.The result indicates that the properties of the surface groups determined whether uniform and flattened RGO films could be formed on the substrates.Hence,we proposed a simple and effective way to produce transparent and conductive films in which the catechol unit exhibits a great effect on the deposition of uniform RGO films on PET substrates. |
| doi_str_mv | 10.1016/j.partic.2014.02.005 |
| format | Article |
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| source | Elsevier ScienceDirect Journals; Alma/SFX Local Collection |
| subjects | Drop-casting Electrical resistivity Evaporation Flattening Graphene Modified PET substrates Oxide coatings Oxides PET Polydopamine Polyethylene terephthalates Reduced graphene oxide Terephthalate Transmittance Transparent conductive films 均匀 基板 氧化物 石墨 聚对苯二甲酸乙二醇酯 膜改性 铸造方法 |
| title | Formation of uniform reduced graphene oxide films on modified PET substrates using drop-casting method |
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