|کد مقاله||کد نشریه||سال انتشار||مقاله انگلیسی||ترجمه فارسی||نسخه تمام متن|
|6471311||1424117||2017||10 صفحه PDF||سفارش دهید||دانلود رایگان|
With the aim of replacing liquid electrolytes in dye sensitized solar cells (DSSCs) due to the evident issues the system has, we have prepared and optimized gel polymer electrolytes (GPEs) consisting of poly(methyl methacrylate-co-methacrylic) acid, P(MMA-co-MAA), sodium iodide (NaI), iodine (I2), ethylene carbonate (EC), propylene carbonate (PC) with a novel lab-made ionic liquid N-butyl-6-methylquinolinium bis(trifluoromethylsulfonyl)imide [C4mquin][NTf2]. Synthesized via metathesis following an alkylation, the quinolinium based ionic liquid has a yield of 87%. The highest ionic conductivity obtained for this system is 2.26Â ÃÂ 10â3Â SÂ cmâ1 at room temperature for the GPE at 25Â wt.% of [C4mquin][NTf2]. XRD and FTIR studies have been done to confirm the formation of complexes of the materials. With a standard DSSC arrangement of glass/FTO/TiO2/N719dye/electrolyte/Pt/FTO/glass, the co-polymer based conducting electrolyte displayed power conversion efficiency of 5.67% with a maximum short circuit current density (Jsc) of 15.32Â mAÂ cmâ2, open circuit voltage (Voc) of 0.62Â V and fill factor of 59% at 25Â wt.% of [C4mquin][NTf2] under AM 1.5 (100Â mWÂ cmâ2) illumination. The Nyquist plot and Bode plot studies have been done in order to understand the electrochemical properties of the GPE based DSSCs.
Journal: Electrochimica Acta - Volume 240, 20 June 2017, Pages 361-370