ICCAS OpenIR
Improving performance of polymer photovoltaic devices using an annealing-free approach via construction of ordered aggregates in solution
Li, Ligui; Lu, Guanghao; Yang, Xiaoniu
2008
Source PublicationJOURNAL OF MATERIALS CHEMISTRY
ISSN0959-9428
Volume18Issue:17Pages:1984-1990
AbstractLow crystalline order has been proved to be one of the main hindrances for achieving high performance devices based on thin films composed of crystallizable polymer. In this work, we use a facile method to substantially improve crystallinity of poly(3-hexylthiophene) (P3HT) in its pure or composite film via the construction of ordered precursors in the solution used for thin film deposition. These improvements have been confirmed by bright-field transmission electron micrography, electron diffraction, UV-Vis absorption and wide-angle X-ray diffraction. The electrical conductivity of thus obtained P3HT films is increased by almost two orders of magnitude. Polymer solar cells based on P3HT:PCBM ([6,6]-phenyl C61 butyric acid methyl ester) composite fabricated using this method achieve power conversion efficiencies (PCEs) as high as 3.9%, which is almost four times that of pristine devices and also higher than thermally-annealed devices under the same measurement conditions. This simple method paves the way for the fabrication of high performance devices with an "annealing-free'' approach, and enriches the ways to improve crystalline order in thin films comprising crystallizable polymers.
DOI10.1039/b719945g
Indexed BySCI
Language英语
WOS IDWOS:000255013200005
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:207[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63016
Collection中国科学院化学研究所
Corresponding AuthorYang, Xiaoniu
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, Grad Sch, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Li, Ligui,Lu, Guanghao,Yang, Xiaoniu. Improving performance of polymer photovoltaic devices using an annealing-free approach via construction of ordered aggregates in solution[J]. JOURNAL OF MATERIALS CHEMISTRY,2008,18(17):1984-1990.
APA Li, Ligui,Lu, Guanghao,&Yang, Xiaoniu.(2008).Improving performance of polymer photovoltaic devices using an annealing-free approach via construction of ordered aggregates in solution.JOURNAL OF MATERIALS CHEMISTRY,18(17),1984-1990.
MLA Li, Ligui,et al."Improving performance of polymer photovoltaic devices using an annealing-free approach via construction of ordered aggregates in solution".JOURNAL OF MATERIALS CHEMISTRY 18.17(2008):1984-1990.
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