ICCAS OpenIR
Effects of fullerene solubility on the crystallization of poly(3-hexylthiophene) and performance of photovoltaic devices
Li, Ligui; Tang, Haowei; Wu, Haoxi; Lu, Guanghao; Yang, Xiaoniu
2009-11-01
Source PublicationORGANIC ELECTRONICS
ISSN1566-1199
Volume10Issue:7Pages:1334-1344
AbstractThe substantial crystallization suppression of poly(3-hexylthiophene) (P3HT) in the untreated P3HT:C60 composite film prepared from o-dichlorobenzene (ODCB) solution has been revealed. Besides, the effective conjugation length of P3HT in this composite has been nearly maintained to that in the solution. The different crystallization behaviors of P3HT in its composites with C60 and [6,6]-phenyl C(61) butyric acid methyl ester (PCBM) are mainly attributed to the relative solubility of C60 and PCBM with respect to P3HT in ODCB. The solution to overcome this disadvantage of chain conformation and crystallinity of P3HT in the composite with C60 is thus proposed and finalized by resorting to the addition of low volatile solvent with much higher solubility of C60 than P3HT into the main solvent used, so as P3HT can crystallize before C60 forms crystallites in the solution. The feasibility of this approach has been proven by the improved efficiency of devices based on composites of P3HT and the low cost C60 without resorting to post-treatments. Our results demonstrated in this study could further benefit development of new electron acceptor materials, particularly based on fullerenes and their derivatives, by considering the role of the new materials in determining the crystallization of the other components involved in the composite film. (C) 2009 Elsevier B.V. All rights reserved.
KeywordPolymer Solar Cells Fullerene Solubility Poly(3-hexylthiophene) Crystallinity
DOI10.1016/j.orgel.2009.07.016
Indexed BySCI
Language英语
WOS IDWOS:000270636800020
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:49[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68428
Collection中国科学院化学研究所
Corresponding AuthorYang, Xiaoniu
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Li, Ligui,Tang, Haowei,Wu, Haoxi,et al. Effects of fullerene solubility on the crystallization of poly(3-hexylthiophene) and performance of photovoltaic devices[J]. ORGANIC ELECTRONICS,2009,10(7):1334-1344.
APA Li, Ligui,Tang, Haowei,Wu, Haoxi,Lu, Guanghao,&Yang, Xiaoniu.(2009).Effects of fullerene solubility on the crystallization of poly(3-hexylthiophene) and performance of photovoltaic devices.ORGANIC ELECTRONICS,10(7),1334-1344.
MLA Li, Ligui,et al."Effects of fullerene solubility on the crystallization of poly(3-hexylthiophene) and performance of photovoltaic devices".ORGANIC ELECTRONICS 10.7(2009):1334-1344.
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