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一种基于硫化镍/铂/钛对电极的高效柔性染料敏化太阳能电池。

A highly efficient flexible dye-sensitized solar cell based on nickel sulfide/platinum/titanium counter electrode.

作者信息

Yue Gentian, Ma Xingping, Zhang Weifeng, Li Fumin, Wu Jihuai, Li Guoqiang

机构信息

Key Laboratory of Photovoltaic Materials of Henan, School of Physics and Electronics, Henan University, Kaifeng, 475004 China.

Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, 362021 China.

出版信息

Nanoscale Res Lett. 2015 Jan 10;10:1. doi: 10.1186/1556-276X-10-1. eCollection 2015.

DOI:10.1186/1556-276X-10-1
PMID:25977644
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4409607/
Abstract

A composite film of nickel sulfide/platinum/titanium foil (NiS/Pt/Ti) with low cost and high electrocatalytic activity was synthesized by the use of an in situ electropolymerization route and proposed as a counter electrode (CE) catalyst for flexible dye-sensitized solar cells (FDSSCs). The FDSSC with the NiS/Pt/Ti CE exhibited a comparable power conversion efficiency of 7.20% to the FDSSC with the platinum/titanium (Pt/Ti) CE showing 6.07%. The surface morphology of the NiS/Pt/Ti CE with one-dimensional (1D) structure is characterized by using the scanning electron microscopy (SEM). The NiS/Pt/Ti CE also displayed multiple electrochemical functions of excellent conductivity, great electrocatalytic ability for iodine/triiodine, and low charge transfer resistance of 2.61 ± 0.02 Ω cm(2), which were characterized by using the cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and Tafel polarization plots. The photocurrent-photovoltage (J-V) character curves were further used to calculate the theoretical optical light performance parameters of the FDSSCs. It may be said that the NiS/Pt/Ti counter electrode is a promising catalytic material to replace the expensive platinum in FDSSCs.

摘要

通过原位电聚合路线合成了一种具有低成本和高电催化活性的硫化镍/铂/钛箔复合膜(NiS/Pt/Ti),并将其作为柔性染料敏化太阳能电池(FDSSC)的对电极(CE)催化剂。具有NiS/Pt/Ti CE的FDSSC的功率转换效率为7.20%,与具有铂/钛(Pt/Ti)CE且功率转换效率为6.07%的FDSSC相当。利用扫描电子显微镜(SEM)对具有一维(1D)结构的NiS/Pt/Ti CE的表面形貌进行了表征。NiS/Pt/Ti CE还表现出多种电化学功能,如优异的导电性、对碘/三碘化物的高电催化能力以及2.61±0.02 Ω cm²的低电荷转移电阻,这些通过循环伏安法(CV)、电化学阻抗谱(EIS)和塔菲尔极化曲线进行了表征。光电流 - 光电压(J - V)特性曲线进一步用于计算FDSSC的理论光学性能参数。可以说,NiS/Pt/Ti对电极是一种有前途的催化材料,可用于替代FDSSC中昂贵的铂。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/2abc7994d0d8/11671_2014_2422_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/6e88acbca6b7/11671_2014_2422_Fig1_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/18324191e9f3/11671_2014_2422_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/2abc7994d0d8/11671_2014_2422_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/6e88acbca6b7/11671_2014_2422_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/902948ca07ce/11671_2014_2422_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/1a9fe8ec93b5/11671_2014_2422_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/f7ba44865538/11671_2014_2422_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/1f9618dddb8d/11671_2014_2422_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/18324191e9f3/11671_2014_2422_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c442/4409607/2abc7994d0d8/11671_2014_2422_Fig7_HTML.jpg

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