材料科学
纳米棒
电解质
柔性电子器件
离子液体
电容
纳米技术
制作
纤维素
有机电子学
化学工程
晶体管
印刷电子产品
薄膜晶体管
基质(水族馆)
复合材料
电压
电极
图层(电子)
有机化学
物理化学
量子力学
病理
催化作用
工程类
地质学
医学
化学
物理
替代医学
海洋学
墨水池
作者
Stefan Thiemann,Swetlana J. Sachnov,Fredrik Pettersson,Roger Bollström,Ronald Österbacka,Peter Wasserscheid,Jana Zaumseil
标识
DOI:10.1002/adfm.201302026
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.
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