Improvement on the catalytic activity of the flexible PEDOT counter electrode in dye-sensitized solar cells

被引：39
|
作者：
Jing Ma [1 ]
Song Qingfeng [2 ]
Zhang Fengbao [2 ]
Wu Mingxing [1 ]
机构：
[1] Hebei Normal Univ, Coll Chem & Mat Sci, Key Lab Inorgan Nanomat Hebei Prov, 20 Rd East 2nd Ring South, Shijiazhuang 050024, Hebei, Peoples R China
[2] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2018年 / 100卷
基金：
中国国家自然科学基金;
关键词：
Solar cells; Counter electrode; Flexible; PEDOT; Composite; PERFORMANCE; NANOCOMPOSITE; COMPOSITE; CARBIDE; DSSC; CO;
D O I：
10.1016/j.materresbull.2017.12.031
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A flexible Poly (3, 4-ethylenedioxythiophene) (PEDOT) electrode on indium-doped tin oxide coated polyethylene naphthalate (ITO-PEN) substrate is prepared by electrochemical methods for dye-sensitized solar cells (DSSCs) as counter electrode. The impact of deposition time on the catalytic activities of the flexible PEDOT electrode towards the iodide redox couple has been investigated by cyclic voltammetry, electrochemical impedance spectroscopy (EIS) and Tafel polarization curve measurements. After optimization, the DSSCs using PEDOT counter electrode deposited 80 s shows power conversion efficiency (PCE) of 7.18%, close to than the Pt counter electrode based counterpart (7.56%). To further improve the catalytic activity of PEDOT, Pt/PDEOT composite catalyst is synthesized. And the DSSCs with the Pt/PDEOT composite CE generates a high PCE of 7.90%.
引用
收藏
页码：213 / 219
页数：7
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