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Cellulose-Based lonogels for Paper Electronics

机译：造纸电子用纤维素基单体

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摘要

A new class of biofriendly ionogels produced by gelation of microcellulose thin films with tailored 1-ethyl-3-methylimidazolium methylphosphonate ionic liquids are demonstrated. The cellulose ionogels show promising properties for application in flexible electronics, such as transparency, flexibility, transferability, and high specific capacitances of 5 to 15 μF cm~(-2). They can be laminated onto any substrate such as multilayer-coated paper and act as high capacitance dielectrics for inorganic (spray-coated ZnO and colloidal ZnO nanorods) and organic (poly[3-hexylthiophene], P3HT) electrolyte-gated field-effect transistors (FETs), that operate at very low voltages (＜2 V). Field-effect mobilities in ionogel-gated spray-coated ZnO FETs reach 75 cm~2 V~(-1) s~(-1) and a typical increase of mobility with decreasing specific capacitance of the ionogel is observed. Solution-processed, colloidal ZnO nanorods and laminated cellulose ionogels enable the fabrication of the first electrolyte-gated, flexible circuits on paper, which operate at bending radii down to 1.1 mm.
机译：通过将微纤维素薄膜与特制的1-乙基-3-甲基咪唑鎓甲基膦酸酯离子液体胶凝，产生了一类新型的生物友好型离子凝胶。纤维素离子凝胶在柔性电子产品中具有广阔的应用前景，例如透明度，柔韧性，可转移性以及5至15μFcm〜（-2）的高比电容。它们可以层压到任何基材上，例如多层涂布纸，并用作无机（喷涂的ZnO和胶体ZnO纳米棒）和有机（聚[3-己基噻吩]，P3HT）电解质门控场效应晶体管的高电容电介质（FET），可在非常低的电压（＜2 V）下工作。离子凝胶门控喷涂ZnO FET的场效应迁移率达到75 cm〜2 V〜（-1）s〜（-1），观察到迁移率随着离子凝胶比电容的降低而典型地增加。溶液处理的胶态ZnO纳米棒和层状纤维素离子凝胶可在纸上制造第一条电解质门控的柔性电路，该电路可将弯曲半径减小至1.1毫米。

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  • 来源
    《Advanced Functional Materials》 |2014年第5期|625-634|共10页
  • 作者

    Stefan Thiemann; Swetlana J. Sachnov; Fredrik Pettersson; Roger Bollstroem; Ronald OEsterbacka; Peter Wasserscheid; Jana Zaumseil;

  • 作者单位

    Institute of Polymer Materials Friedrich-Alexander Universitaet Erlangen-Nuernberg Martensstrasse 7, D-91058, Erlangen, Germany;

    Department of Chemical and Bioengineering Friedrich-Alexander-Universitaet Erlangen-Nuernberg Egerlandstrasse 3, D-91058, Erlangen, Germany;

    Physics, Department of Natural Sciences and Center for Functional Materials Abo Akademi University Porthansgatan 3, 20500, Turku, Finland;

    Center for Functional Materials Laboratory of Paper Coating and Converting Abo Akademi University Porthansgatan 3, 20500, Turku, Finland;

    Physics, Department of Natural Sciences and Center for Functional Materials Abo Akademi University Porthansgatan 3, 20500, Turku, Finland;

    Department of Chemical and Bioengineering Friedrich-Alexander-Universitaet Erlangen-Nuernberg Egerlandstrasse 3, D-91058, Erlangen, Germany;

    Institute of Polymer Materials Friedrich-Alexander Universitaet Erlangen-Nuernberg Martensstrasse 7, D-91058, Erlangen, Germany;

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