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首页> 外文期刊>Advanced Functional Materials >InkJet Printing of Self-Assembled 2D Titanium Carbide and Protein Electrodes for Stimuli-Responsive Electromagnetic Shielding
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InkJet Printing of Self-Assembled 2D Titanium Carbide and Protein Electrodes for Stimuli-Responsive Electromagnetic Shielding

机译：自组装二维碳化钛和蛋白质电极的喷墨印刷，用于刺激电磁屏蔽

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摘要

2D titanium carbides (MXene) possess significant characteristics including high conductivity and electromagnetic interference shielding efficiency (EMI SE) that are important for applications in printed and flexible electronics. However, MXene-based ink formulations are yet to be demonstrated for proper inkjet printing of MXene patterns. Here, tandem repeat synthetic proteins based on squid ring teeth (SRT) are employed as templates of molecular self-assembly to engineer MXene inks that can be printed as stimuli-responsive electrodes on various substrates including cellulose paper, glass, and flexible polyethylene terephthalate (PET). MXene electrodes printed on PET substrates are able to display electrical conductivity values as high as 1080 +/- 175 S cm(-1), which significantly exceeds electrical conductivity values of state-of-the-art inkjet-printed electrodes composed of other 2D materials including graphene (250 S cm(-1)) and reduced graphene oxide (340 S cm(-1)). Furthermore, this high electrical conductivity is sustained under excessive bending deformation. These flexible electrodes also exhibit effective EMI SE values reaching 50 dB at films with thicknesses of 1.35 mu m, which mainly originate from their high electrical conductivity and layered structure.%1801972.1-1801972.10
机译：2D碳化钛（MXene）具有显着的特性，包括高电导率和电磁干扰屏蔽效率（EMI SE），这对于印刷和柔性电子产品中的应用至关重要。然而，尚未证明基于MXene的油墨配方可用于MXene图案的正确喷墨印刷。在这里，基于鱿鱼齿（SRT）的串联重复合成蛋白被用作分子自组装的模板，以设计MXene墨水，这些墨水可以作为刺激响应电极印在包括纤维素纸，玻璃和柔性聚对苯二甲酸乙二醇酯在内的各种基材上（宠物）。印刷在PET基板上的MXene电极能够显示高达1080 +/- 175 S cm（-1）的电导率值，大大超过了由其他2D组成的最新喷墨印刷电极的电导率值材料包括石墨烯（250 S cm（-1））和还原石墨烯氧化物（340 S cm（-1））。此外，这种高电导率在过度的弯曲变形下得以维持。这些柔性电极在厚度为1.35μm的薄膜上也显示出有效的EMI SE值，达到50 dB，这主要是由于其高电导率和层状结构引起的。％1801972.1-1801972.10

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  • 来源
    《Advanced Functional Materials》 |2018年第32期|1801972.1-1801972.10|共10页
  • 作者

    Vural Mert; Pena-Francesch Abdon; Bars-Pomes Joan; Jung Huihun; Gudapati Hemanth; Hatter Christine B.; Allen Benjamin D.; Anasori Babak; Ozbolat Ibrahim T.; Gogotsi Yury; Demirel Melik C.;

  • 作者单位

    Penn State Univ, Dept Engn Sci & Mech, Mat Res Inst, CRAFT, 227 Hammond Bldg, University Pk, PA 16802 USA;

    Penn State Univ, Dept Engn Sci & Mech, Mat Res Inst, CRAFT, 227 Hammond Bldg, University Pk, PA 16802 USA;

    Penn State Univ, Dept Engn Sci & Mech, Mat Res Inst, CRAFT, 227 Hammond Bldg, University Pk, PA 16802 USA;

    Penn State Univ, Dept Engn Sci & Mech, Mat Res Inst, CRAFT, 227 Hammond Bldg, University Pk, PA 16802 USA;

    Penn State Univ, Dept Engn Sci & Mech, Mat Res Inst, CRAFT, 227 Hammond Bldg, University Pk, PA 16802 USA;

    Drexel Univ, Dept Mat Sci & Engn, AJ Drexel Nanomat Inst, Philadelphia, PA 19104 USA;

    Penn State Univ, Dept Biochem & Mol Biol, Huck Inst Life Sci, University Pk, PA 16802 USA;

    Drexel Univ, Dept Mat Sci & Engn, AJ Drexel Nanomat Inst, Philadelphia, PA 19104 USA;

    Penn State Univ, Dept Engn Sci & Mech, Mat Res Inst, CRAFT, 227 Hammond Bldg, University Pk, PA 16802 USA;

    Drexel Univ, Dept Mat Sci & Engn, AJ Drexel Nanomat Inst, Philadelphia, PA 19104 USA;

    Penn State Univ, Dept Engn Sci & Mech, Mat Res Inst, CRAFT, 227 Hammond Bldg, University Pk, PA 16802 USA;

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  • 关键词

    electromagnetic interference shielding; inkjet printing; MXene; responsive electrodes; synthetic protein;

    机译：电磁干扰屏蔽喷墨印刷MXene反应电极合成蛋白;

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