组合式退火方式提高有机太阳电池效率的研究

J4 ›› 2015, Vol. 14 ›› Issue (12): 30-34.

组合式退火方式提高有机太阳电池效率的研究

大理大学工程学院，云南大理671003

收稿日期:2015-04-17 出版日期:2015-12-15 发布日期:2015-12-15
作者简介:木丽萍，副教授，主要从事有机太阳电池研究.
基金资助:
国家自然科学基金资助项目（11564002）；云南省教育厅科学研究基金一般项目（2011Y248）；大理学院博士科
研启动费项目（KYBS201301）

Study on Improving the Efficiency of Organic Solar Cells by Combined Annealing

College of Engineering, Dali University, Dali, Yunnan 671003, China

Received:2015-04-17 Online:2015-12-15 Published:2015-12-15

摘要/Abstract

摘要：

制备了结构为：ITO/PEDOT：PSS/P3HT+PCBM/LiF/Al的有机太阳能电池，研究了退火工艺对电池性能的影响。实验发
现：①器件退火时间选取50 min时，退火温度在140~160 ℃区间内性能高于其它温度段，短路电流密度最高达6.57 mA/cm²、能
量转换效率最高达2.12%。② 退火温度选取150 ℃时，退火时间在40~60 min内性能高于其他时间段，短路电流密度最高达
6.608 mA/cm²，能量转换效率最高达2.13%。③由①②的最优温度、时间段组合得出的退火方式，短路电流密度最高达
7.22 mA/cm²，能量转换效率最高达2.33%，组合退火方式使器件性能更高。

关键词: 有机太阳电池, 退火, 温度, 时间, 能量转换效率

Abstract:

Organic solar cells with the structure of ITO/PEDOT: PSS/P3HT+PCBM/LiF/Al were prepared and the device performances
under different annealing conditions were studied. The result showed that ① the devices performed better when annealing after 50
minutes in the temperature range of 140-160 ℃ than those in other annealing temperature range. The optimal device showed a short
circuit current density and energy conversion efficiency was 6.57 mA/cm2 and 2.12% respectively; ② when 150 ℃ annealing temperature
was chosen, the devices showed a better performance from 40 to 60 minutes than those in other annealing time. The top short circuit
current density and energy conversion efficiency reached 6.608 mA/cm2 and 2.13% respectively; ③ when the optimal annealing time
and temperature were adopted based on ① and ②, the short circuit current density and energy conversion efficiency of the optimal
device were obviously improved to 7.22 mA/cm2 and 2.33%respectively. Annealing under combination conditions was an effective
approach to device optimization.

Key words: organic solar cell, annealing, temperature, time, power conversion efficiency

中图分类号:

TM914.4

木丽萍，胡永茂. 组合式退火方式提高有机太阳电池效率的研究[J]. J4, 2015, 14(12): 30-34.

Mu Liping, Hu Yongmao. Study on Improving the Efficiency of Organic Solar Cells by Combined Annealing[J]. J4, 2015, 14(12): 30-34.

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