Si3N4/MoS2-PEDOT: PSS composite counter electrode for bifacial dye-sensitized solar cells

Si3N4/MoS2-PEDOT: PSS composite counter electrode for bifacial dye-sensitized solar cells
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Si3N4/MoS2-PEDOT:用于双面染料敏化太阳能电池的 PSS 复合对电极

DOI:
10.1016/j.solener.2018.08.062
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发表时间:
2018-10
期刊:
影响因子:
6.7
通讯作者:
Xiujian Zhao
Xiujian Zhao
中科院分区:
工程技术2区
文献类型:
--
作者:
向万春;Abdelaal S.A. Ahmed;Xiaowei Hu;Qi Chen;Ibrahim Saana Amiinu;Xiujian Zhao

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采用溶剂热法制备了Si_3N_4/MoS_2纳米复合材料,并与聚苯乙烯磺酸盐掺杂的聚(3,4-乙撑二氧噻吩)混合制备了(Si_3N_4/MoS_2-PEDOT:PSS)对电极,用于双面染料敏化太阳能电池(DSSC)。电化学研究表明,Si_3N_4/MoS_2-PEDOT:PSS复合电极比纯Si_3N_4/MoS_2和PEDOT:PSS具有更高的催化活性。具有5%Si3N4/MoS 2-PEDOT:PSS复合CE的DSSC实现了7.16%的转换效率(PCE),这与常规铂CE的转换效率(7.50%)相当,并且优于原始Si 3 N4/MoS 2(3.80%)或PEDOT:PSS(4.20%)CE的转换效率。由于Si 3 N4/MoS 2-PEDOT:PSS复合CE的光学透明性,基于5%Si3N4/MoS 2-PEDOT:PSS CE的双面DSSC从背面照射产生2.03%的PCE。Si 3 N4/MoS 2-PEDOT:PSS的制备方法简单,催化活性高,电化学稳定性好,可作为双面DSSC的透明电极。
Si3N4/MoS2nanocomposite has been fabricated through a solvothermal process and Mixed with polystyrenesulfonate-doped poly (3, 4-ethylenedioxythiophene) to prepare (Si3N4/MoS2-PEDOT: PSS) as a counter electrode (CE) for bifacial dye-sensitized solar cells (DSSCs). The electrochemical studies confirm that Si3N4/MoS2-PEDOT: PSS CEs exhibits higher catalytic activity compared with pristine Si3N4/MoS2and PEDOT: PSS. The DSSCs with 5% Si3N4/MoS2-PEDOT: PSS composite CE achieves conversion efficiency (PCE) of 7.16%, which is comparable to that of the conventional platinum CE (7.50%) and better than those of the pristine Si3N4/MoS2(3.80%) or PEDOT: PSS (4.20%) CEs. Owing to the optical transparency of Si3N4/MoS2-PEDOT: PSS composite CEs, bifacial DSSCs based on 5% Si3N4/MoS2-PEDOT: PSS CE yield 2.03% PCE from rear irradiation. The simple preparation method, high catalytic activity and electrochemical stability demonstrate that Si3N4/MoS2-PEDOT: PSS can be used a transparent CE in bifacial DSSCs.
用于高效双面染料敏化太阳能电池的透明硫化钼装饰聚苯胺复合对电极
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