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首页> 外文期刊>Journal of Applied Polymer Science >Effect of CuBr2 salt treatment on the performance of nanocolloidal PPy:PSS multilayer thin film counter electrodes of dye-sensitized solar cells
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Effect of CuBr2 salt treatment on the performance of nanocolloidal PPy:PSS multilayer thin film counter electrodes of dye-sensitized solar cells

机译：CuBr2盐处理对染料敏化太阳能电池纳米胶体PPy：PSS多层薄膜对电极性能的影响

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摘要

A thin Pt layer on fluorine-doped tin oxide (FTO) glass is commonly used as the counter electrode (CE) for dye-sensitized solar cells (DSCs). We have investigated thin layers on FTO glass made from spherical polypyrrole (PPy)-poly(styrene sulfonate) (PSS) nanocolloidal particles with and without treatment of CuBr2 and used them as CEs. The colloidal polymer composite (PPy:PSS) was spin-coated at 4000 rpm, and PPy:PSS multilayer (one, three, five) films were employed as the CEs. Aqueous solutions of CuBr2 (0.5 M and 1 M) were coated onto the multilayer CEs, which increased the efficiency of DSCs. When compared with the untreated PPy:PSS counter electrodes, the CuBr2-treated PPy: PSS films showed lower charge-transfer resistance, higher surface roughness, and improved catalytic performance for the reduction of I-3(-). The enhanced catalytic performance is attributed to the interaction of the superior electrocatalytic activity of PPy: PSS and CuBr2 salt. Under standard AM 1.5 sunlight illumination, the counter electrodes based on a single-layer PPy:PSS composite with 0.5 M and 1 M CuBr2 salt treatment demonstrated power conversion efficiencies (PCE) of 5.8% and 5.6%, respectively. These values are significantly higher than that of the untreated PPy:PSS CE and are comparable with that of a Pt CE. (C) 2016 Wiley Periodicals, Inc.
机译：掺氟氧化锡（FTO）玻璃上的薄Pt层通常用作染料敏化太阳能电池（DSC）的对电极（CE）。我们已经研究了由球形聚吡咯（PPy）-聚（苯乙烯磺酸盐）（PSS）纳米胶体粒子制成的FTO玻璃上的薄层，经过处理和不经过CuBr2处理，并将其用作CE。胶体聚合物复合材料（PPy：PSS）以4000 rpm的速度进行旋涂，并使用PPy：PSS多层（一，三，五）薄膜作为CE。将CuBr2（0.5 M和1 M）的水溶液涂覆到多层CE上，这提高了DSC的效率。与未处理的PPy：PSS对电极相比，经CuBr2处理的PPy：PSS膜显示出较低的电荷转移电阻，较高的表面粗糙度和改善的I-3（-）还原催化性能。增强的催化性能归因于PPy：PSS和CuBr2盐的优异电催化活性的相互作用。在标准AM 1.5阳光照射下，基于具有0.5 M和1 M CuBr2盐处理的单层PPy：PSS复合材料的对电极分别显示出5.8％和5.6％的功率转换效率（PCE）。这些值明显高于未处理的PPy：PSS CE的值，并且与Pt CE的值相当。 （C）2016威利期刊公司

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