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Cellulose-Based Ionogels for Paper Electronics
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DOI：10.1002/adfm.201302026.png)
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摘要
En 中文
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 mu F 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.
Keyword:
FIELD-EFFECT TRANSISTORS
THIN-FILM TRANSISTORS
ELECTRICAL DOUBLE-LAYER
GEL GATE DIELECTRICS
IONIC LIQUIDS
LOW-VOLTAGE
DIFFERENTIAL CAPACITANCE
HIGH-MOBILITY
DISSOLUTION
TRANSPARENT
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19
论文数:
3.5W
被引数:
32.1W
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分享收藏分享收藏Superior solubility of polysaccharides in low viscosity, polar, and halogen-free 1,3-dialkylimidazolium formates.png)
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