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還原氧化石墨烯對納米銀線/還原氧化石墨烯復合柔性透明導電薄膜影響
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電子科技大學中山學院材料與食品學院

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國家自然科學基金項目(面上項目,重點項目,重大項目)


Effect of Reduced-Graphene Oxide on Flexible Transparent Films Composed of Reduced Graphene Oxide and Silver Nanowires
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Department of Chemistry and Biology, University of Electronic Science and Technology of China Zhongshan Institute

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    摘要:

    納米銀線和還原氧化石墨烯為導電相,混合纖維素膜為基底,采用真空抽濾法制備了柔性透明導電薄膜。研究了還原氧化石墨烯對柔性透明導電薄膜的光電及機械性能的影響。研究結果表明,隨著還原氧化石墨烯含量的增加,導電薄膜的透過率變化不大,但薄膜的方阻逐漸下降。通過膠帶測試200次原位監(jiān)控方阻變化以及彎曲疲勞200次測試原位監(jiān)控方阻變化研究納米銀線和石墨烯導電相在混合纖維素膜表面的附著力和薄膜的彎曲疲勞特性。研究結果表明,經過200次的膠帶測試,薄膜的方阻幾乎沒有改變。彎曲測試結果表明,薄膜方阻約有3%的改變。說明薄膜具有良好的穩(wěn)定性。分析認為,納米銀線-石墨烯復合薄膜具有良好的穩(wěn)定性與納米銀線和石墨烯埋在混合纖維素膜表面有關。

    Abstract:

    We fabricated the flexible transparent conductive films composed of silver nanowires (AgNWs) and reduced graphene oxide (rGO) as hybrid transparent electrode and mixed cellulose eater (MCE) as substrate by vacuum-filtrating method. Effect of rGO on the electrical and optical and mechanical properties of flexible transparent films composed of rGO and AgNWs were studied. The results show that with rGO deposition density increase, the optical transmission at 550 nm has a little decrease, while the sheet resistance (Rs) gradually decrease. Tape tests up to 200 cycles and bending fatigue tests up to 200 cycles were performed by monitoring the in-situ resistance change. Film sustained excellent reliability of the AgNWs/rGO hybrid conductive networks, where the fractional resistance change is little overt increase after tape tests and less than 3% after bending test. The excellent mechanical properties of the AgNWs/rGO film can be attributed to the burying of the AgNWs and RGO film at the surface of MCEs.

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王可,楊星,杜得喜,李志凌,謝輝,王悅輝.還原氧化石墨烯對納米銀線/還原氧化石墨烯復合柔性透明導電薄膜影響[J].稀有金屬材料與工程,2019,48(7):2107~2111.[Wang Ke, Yang Xi, Du Dexi, Li Zhiling, Xiehui, WANG YUE HUI. Effect of Reduced-Graphene Oxide on Flexible Transparent Films Composed of Reduced Graphene Oxide and Silver Nanowires[J]. Rare Metal Materials and Engineering,2019,48(7):2107~2111.]
DOI:10.12442/j. issn.1002-185X.20180074

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  • 收稿日期:2018-01-19
  • 最后修改日期:2018-01-30
  • 錄用日期:2018-02-09
  • 在線發(fā)布日期: 2019-08-01
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