发光学报, 2014, 35 (3): 322, 网络出版: 2014-03-11   

稀释溶剂对PEDOT∶PSS薄膜和有机太阳能电池性能的影响

Effect of Solvent Dilution on Preparation of PEDOT∶PSS Transparent Conductive Films and Device Performance of Organic Solar Cells
作者单位
福州大学 光电显示技术研究所, 福建 福州350002
摘要
采用喷涂技术制备聚3,4-乙撑二氧噻吩∶聚苯乙烯磺酸盐(PEDOT∶PSS)有机层薄膜, 系统研究了乙醇、去离子水、甲醇、异丙醇和乙二醇等稀释溶剂对PEDOT∶PSS薄膜形貌、透过率及导电性能的影响。将PEDOT∶PSS薄膜应用于有机太阳能电池器件的制备, 研究了不同溶剂对器件性能的影响。实验结果表明: 采用乙醇稀释PEDOT∶PSS溶液, 能有效抑制PEDOT∶PSS颗粒团聚, 降低薄膜粗糙度, 提高薄膜的透过率和导电性。以其制备的太阳能电池器件的能量转换效率明显高于其他溶剂稀释, 转换效率为2.66%。
Abstract
Poly(3,4-ethylenedioxythiophene)∶poly(styrenesulfonate) (PEDOT∶PSS) films were prepared by using spray coating technique. The morphology, transmittance and conductivity of the film were studied by using ethanol, deionized water, methanol and isopropanol to dilute the origin PEDOT∶PSS, respectively. The solvent-diluted PEDOT∶PSS films were employed to fabricated organic solar cells. The effect of solvents dilution on the solar cells performance was studied. The results indicate that the introduction of ethanol can effectively inhibit the agglomeration of PEDOT∶PSS particles, reduce the film roughness, and improve the transmittance and conductivity of the PEDOT∶PSS film. The organic solar cell based on the PEDOT∶PSS film diluted with ethanol exhibits a power conversion efficiency of 2.66%, which is higher than those with other diluting solvents.

胡雪花, 李福山, 徐胜, 郭太良. 稀释溶剂对PEDOT∶PSS薄膜和有机太阳能电池性能的影响[J]. 发光学报, 2014, 35(3): 322. HU Xue-hua, LI Fu-shan, XU Sheng, GUO Tai-liang. Effect of Solvent Dilution on Preparation of PEDOT∶PSS Transparent Conductive Films and Device Performance of Organic Solar Cells[J]. Chinese Journal of Luminescence, 2014, 35(3): 322.

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