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首页> 外文期刊>Journal of Applied Polymer Science >Stretchable conductive films based on carbon nanomaterials prepared by spray coating
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Stretchable conductive films based on carbon nanomaterials prepared by spray coating

机译：通过喷涂制备的基于碳纳米材料的可拉伸导电膜

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摘要

Stretchable conductive films consisting of a layer of carbon nanomaterials, that is, carbon nanotubes (CNTs), mechanically exfoliated graphene (GE), or chemically reduced graphene oxide (rGO), deposited on polydimethylsiloxane (PDMS) films were prepared by spray coating. The correlations among the concentration of the carbon nanomaterials, the electrical resistance and the optical transmittance of the spray-coated films were investigated. The results show that the conductivity of the CNT coatings was better than that of the GE-based coatings. When the CNT concentration of the dispersion for spraying increased from 0.01 to 0.075mg/mL, the surface electrical resistance decreased from 7.8 x 10(3) to 6.7 x 10(2) , whereas for the GE or rGO coatings, the electrical resistance was several orders higher than that of the CNT coatings. The CNT spray-coated films exhibited an optical transmittance of about 60% at a wavelength of 550nm; this was higher than that of the GE or rGO spray-coated films. The electric heating behaviors of the stretchable conductive films as functions of the applied voltage and the concentration of carbon nanomaterials and the electrical conductivity under tensile and bending strains were also investigated. The surface temperature of the CNT-coated films rose rapidly up to 200 degrees C within about 40 s when the applied voltage was 110V. The stretchable conductive films have potential as electric heating elements because of their excellent conductive properties. (c) 2015 Wiley Periodicals, Inc.
机译：通过喷涂制备由碳纳米材料（即碳纳米管（CNT），机械剥落的石墨烯（GE）或化学还原的氧化石墨烯（rGO））组成的可拉伸导电膜，该膜沉积在聚二甲基硅氧烷（PDMS）膜上。研究了碳纳米材料的浓度，喷涂膜的电阻和透光率之间的关系。结果表明，CNT涂层的电导率优于GE基涂层的电导率。当喷涂分散液的CNT浓度从0.01增加到0.075mg / mL时，表面电阻从7.8 x 10（3）降低到6.7 x 10（2），而对于GE或rGO涂层，电阻为比CNT涂层高几个数量级。 CNT喷涂膜在550nm的波长处表现出约60％的透光率。这高于GE或rGO喷涂膜。还研究了可拉伸导电膜的电加热行为随施加电压和碳纳米材料浓度以及在拉伸和弯曲应变下的电导率的变化。当施加电压为110V时，CNT涂覆的膜的表面温度在约40秒内迅速升高至200℃。可拉伸导电膜由于其优异的导电性能而具有作为电加热元件的潜力。 （c）2015年威利期刊有限公司

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