Aquivion D66-25BS electrolyte was obtained from Solvay. Aquivion was chosen because of its weaker conductivity dependence versus relative humidity compared to Nafion. Ionic liquids EMIM:TFSI and EIM:TFSI were purchased from Iolitec (99.5 and 98% grade, respectively). Ionic liquids were baked out in a vacuum oven and subsequently stored in an N2-filled glovebox. Polymeric insulator PVDF-HFP pellets with an average Mw (weight-average molecular weight) of ~400,000 and an average Mn (number-average molecular weight) of ~130,000 were purchased from Sigma-Aldrich. Ion gels were prepared in ambient by dissolving PVDF-HFP and the ionic liquid (1:4, w/w) in acetone with the following proportions: 17.6 wt % ionic liquid, 4.4 wt % polymer, and 78 wt % solvent. The resulting ion gel solution was stirred at 40°C for at least 30 min and then drop-cast onto the prepatterned organic semiconductor channel/gate.
Emim tfsi
Manufactured by IoLiTec
Sourced in Germany
EMIM:TFSI is a room temperature ionic liquid. It consists of the 1-ethyl-3-methylimidazolium cation and the bis(trifluoromethylsulfonyl)imide anion.
Automatically generated - may contain errors
4 protocols using emim tfsi
1
Fabrication of ion gels for organic electronics
2
Electrochemical Device Fabrication Protocol
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The ethyl-methylimidazolium bis (trifluoromethylsulfonyl) imide [EMIM][TFSI] (IoLiTec, Heilbronn, Germany), polypropylene carbonate (PPC) from Sigma Aldrich (Taufkirchen, Germany) acetonitrile from Merck, PEDOT:PSS with the brand name Clevious™ from Hereaus Deutschland GmbH and Co. KG (Hanau, Germany) and commercial thin graphite foils of ca. 75-µm thickness purchased from Distrelec (Bremen, Germany). All chemicals were of analytical grade and used without any further purification.
3
PLLA Polymer Characterization
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PLLA (Lumini L175, Corbion Purac, Montmeló, Spain; molecular weight (Mw): 217.000–225.000 g mol−1, melting temperature: 175 °C, glass transition: 55–60 °C, tensile modulus: 3500 MPa; tensile strength: 50 MPa), 1-ethyl-methylimidazolium bis(trifluoromethylsulfonyl)imide ([Emim][TFSI], 99%, Iolitec, Heilbronn, Germany) and dichloromethane (DCM, 99%, Merck, Darmstadt, Germany) were used as received.
4
Ionic Liquids Preparation and Drying
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The ionic liquids 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EmimTFSI, IOLITEC, 99.5%), 1-butyl-1-methyl pyrrolidiniumbis(trifluoromethylsulfonyl)imide (P 14 TFSI, IOLITEC, 99.5%), 1-butyl-3-methyl imidazoliumbis(trifluoro-methylsulfonyl)imide (BmimTFSI, IOLITEC, 99%), 1-butyl-1-methylpiperidiniumbis(trifluoromethylsulfonyl)imide (BmPipTFSI, IOLITEC, 99%), butyl trimethylammoniumbis(trifluoromethylsul-fonyl)imide (BMATFSI, IOLITEC, 99%), 1-ethyl-3-methylimidazoliumtetrafluoroborate (EmimBF 4 , IOLITEC, >98%) and 1-butyl-3-methyl imidazoliumhexafluorophosphate (BmimPF 6 , IOLITEC, 99%) were used without further purification. All IL were dried at 100 1C at 10 À7 bar for 24 hours and stored in a glovebox (dry argon atmosphere).
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