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首页> 外文期刊>Optical Materials >Performance characteristics of guanine incorporated PVDF-HFP/PEO polymer blend electrolytes with binary iodide salts for dye-sensitized solar cells
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Performance characteristics of guanine incorporated PVDF-HFP/PEO polymer blend electrolytes with binary iodide salts for dye-sensitized solar cells

机译：鸟嘌呤结合的PVDF-HFP / PEO聚合物共混电解质与二碘化物盐的性能特征，用于染料敏化太阳能电池

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摘要

In this work, we have investigated the influence of guanine as an organic dopant in dye-sensitized solar cell (DSSC) based on poly(vinylidinefluoride-co-hexafluoropropylene) (PVDF-HFP)/polyethylene oxide (PEO) polymer blend electrolyte along with binary iodide salts (potassium iodide (KO and tetrabutylammonium iodide (TBAI)) and iodine (I-2). The PVDF-HFP/KI + TBAI/I-2,PVDF-HFP/PEO/KI + TBAI/I-2 and guanine incorporated PVDF-HFP/PEO/KI + TBAI/I-2 electrolytes were prepared by solution casting technique using DMF as solvent The PVDF-HFP/KI + TBAI/I-2 electrolyte showed an ionic conductivity value of 9.99 x 10(-5) Scm(-1), whereas, it was found to be increased to 4.53 x 10(-5) Scm(-1) when PEO was blended with PVDF-HFP/KI + TBAI/I2 electrolyte. However, a maximum ionic conductivity value of 3.67 x 10(-4) Scm(-1) was obtained for guanine incorporated PVDF-HFP/PEO/KI + TBAI/I-2 blend electrolyte. The photovoltaic properties of all these polymer electrolytes in DSSCs were characterized. As a consequence, the power conversion efficiency of the guanine incorporated PVDF-HFP/PEO/KI + TBAI/I-2 electrolyte based DSSC was significantly improved to 4.98% compared with PVDF-HFP/PEO/KI + TBAI/I-2 electrolyte based DSSC (2.46%). These results revealed that the guanine can be an effective organic dopant to enhance the performance of DSSCs. (C) 2016 Elsevier B.V. All rights reserved.
机译：在这项工作中，我们已经研究了鸟嘌呤作为有机掺杂剂对基于聚偏二氟乙烯-共-六氟丙烯（PVDF-HFP）/聚环氧乙烷（PEO）聚合物共混电解质的染料敏化太阳能电池（DSSC）的影响二元碘盐（碘化钾（KO和四丁基碘化铵（TBAI））和碘（I-2）。PVDF-HFP / KI + TBAI / I-2，PVDF-HFP / PEO / KI + TBAI / I-2和鸟嘌呤结合的PVDF-HFP / PEO / KI + TBAI / I-2电解质是采用DMF作为溶剂通过溶液浇铸技术制备的。PVDF-HFP/ KI + TBAI / I-2电解质的离子电导率值为9.99 x 10（- 5）Scm（-​​1），而当PEO与PVDF-HFP / KI + TBAI / I2电解质共混时，Scm（-​​1）增加到4.53 x 10（-5）Scm（-​​1）。对于掺入鸟嘌呤的PVDF-HFP / PEO / KI + TBAI / I-2共混电解质，其电导率值为3.67 x 10（-4）Scm（-​​1），表征了所有这些聚合物电解质在DSSC中的光电性能。结果，与基于PVDF-HFP / PEO / KI + TBAI / I-2电解质的鸟嘌呤结合的PVDF-HFP / PEO / KI + TBAI / I-2电解质的动力转换效率显着提高至4.98％ DSSC（2.46％）。这些结果表明鸟嘌呤可以是增强DSSC性能的有效有机掺杂剂。 （C）2016 Elsevier B.V.保留所有权利。

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