Electric field-assisted self-organization of polymer: Fullerene hybrids on the photovoltaic performance

Chih Cheng Lin, Yun Yue Lin, Shao Sian Li, Chen Chieh Yu, Chi Liang Huang, Shun Han Lee, Chao Hung Du, Jey Jau Lee, Hsuen Li Chen, Chun Wei Chen

研究成果: 雜誌貢獻文章同行評審

37 引文 斯高帕斯(Scopus)

摘要

In this article, we would like to demonstrate an electric field annealing method to assist the self-organization of a poly(3-hexylthiophene) (P3HT):[6,6]-phenyl-C61-butyric acid methyl ester (PCBM) hybrid without any thermal post-treatment. By applying a DC electric field perpendicular to the substrate during the solvent-drying process, the formation of fibrous P3HT crystalline domains and phase-separated domains of bulk heterojunctions can be achieved, resulting in a power conversion efficiency (PCE) of over 4%. The grazing incidence X-ray diffraction (GIXRD) measurement suggests that the electric field-assisted annealing will facilitate the crystallization of P3HT in both lamellar stacking and vertical stacking, as a result of improved carrier transport and photovoltaic performance. The method of electric field-assisted annealing can easily be integrated into large-area and low-temperature processes, providing a new route to fabricate low-cost and flexible polymer solar cells.
原文英語
頁(從 - 到)2134-2139
頁數6
期刊Energy and Environmental Science
4
發行號6
DOIs
出版狀態已發佈 - 六月 1 2011
對外發佈Yes

ASJC Scopus subject areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution

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