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Citation: WU Jiang, XIE Zhiyuan, GUO Shijie. Effects of Substrate Temperature on Morphology and Photovoltaic Cell Performance of P3HT: PCBM Thin Film Fabricated by Doctor-Blading Technique[J]. Chinese Journal of Applied Chemistry, ;2012, 29(12): 1417-1422. doi: 10.3724/SP.J.1095.2012.20440 shu

Effects of Substrate Temperature on Morphology and Photovoltaic Cell Performance of P3HT: PCBM Thin Film Fabricated by Doctor-Blading Technique

WU Jiang ^a ,
XIE Zhiyuan ^a,, ,
GUO Shijie ^b,,

1.
a State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2.
b The First Bethune Hospital of Jilin University, Changchun 130021, China

Corresponding author: XIE Zhiyuan, GUO Shijie,
Received Date: 28 September 2012
Available Online: 11 October 2012
Fund Project: 国家自然科学基金资助项目(60977026) (60977026)吉林省科技发展计划项目(201105029) (201105029)

The effects of the substrate temperature on the performance of active layers and characteristics of the polymer solar cells fabricated with doctor-blading were studied.As the substrate temperature increases,the drying time of wet film could be shortened while the large scale aggregation of[6,6]-phenyl C61-butyric acid methyl ester(PCBM) phase could be restrained.Along with the increase of substrate temperature,both the crystallinity of poly(3-hexylthiophene)(P3HT) at the(100) direction and the producing efficiency of the film were increased while the ordering of the π-π stacking was lowered.After annealing,an interpenetrate network was formed in the active layer of the polymer photovoltaic cell and the power conversion efficiency could reach up to 3.93%.
- doctor-blade coating,
- polymer photovoltaic cells,
- substrate temperature
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