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	Synthesis, hole mobility, and photovoltaic properties of cross-linked polythiophenes with vinylene-terthiophene-vinylene as conjugated bridge
	Zhou, Erjun; Tan, Zhan'ao; Yang, Yi; Huo, Lijun; Zou, Yingping; Yang, Chunhe; Li, Yongfang
刊名	Macromolecules
	2007-03-20
卷号	40期号:6页码:1831-1837
ISSN号	0024-9297
DOI	10.1021/ma062633p
通讯作者	Li, yongfang(liyf@iccas.ac.cn)
英文摘要	A class of cross-linked polythiophenes with different ratio (2%, 4%, 8%) of vinylene-terthiophene-vinylene (vtthv) conjugated bridges (pt-vtthv2, pt-vtthv4, and pt-vtthv8) were synthesized. the cross-linking influenced the absorption spectra of the polymer solutions very little, but it resulted in blue-shift of the absorption spectra of the polymer films by ca. 28-39 nm. cyclic voltammograms display that the p-doping/dedoping and n-doping/dedoping processes of all the cross-linked polythiophenes are reversible and the electrochemical bandgaps increased a little with the increase of the content of the conjugated bridges. the hole mobility values determined from the space-charge-limited current (sclc) model reached 4.70 x 10(-3) for pt-vtthv2, 2.58 x 10(-3) for pt-vtthv4, and 9.48 x 10(-4) cm(2)/(v s) for pt-vtthv8, respectively. the hole mobility of pt-vtthv2 with 2% vtthv conjugated bridges is about three orders higher than that of the corresponding polymer p1 without the conjugated bridges. the power conversion efficiency of the polymer solar cell based on the blend of pt-vtthv2 and pcbm ( 1: 1, w/w) reached 1.72% under the illumination of am 1.5, 100 mw/cm(2), which is two times of that of the device based on p1. the results indicate that the cross-linking with the vtthv conjugated bridges obviously improved charge transportation the photovoltaic properties of the conjugated polymers.
WOS关键词	HETEROJUNCTION SOLAR-CELLS ; FULLERENE BULK HETEROJUNCTION ; SIDE-CHAINS ; REGIOREGULAR POLY(3-HEXYLTHIOPHENE) ; CHARGE-TRANSPORT ; EMITTING-DIODES ; POLYMER ; PERFORMANCE ; DEVICES ; EFFICIENCY
WOS研究方向	Polymer Science
WOS类目	Polymer Science
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000244855500012
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2381305
专题	中国科学院大学
通讯作者	Li, Yongfang
作者单位	1.Chinese Acad Sci, Inst Chem, Beijing Normal Lab Mol Sci, CAS Key Lab Organ Solids, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
推荐引用方式 GB/T 7714	Zhou, Erjun,Tan, Zhan'ao,Yang, Yi,et al. Synthesis, hole mobility, and photovoltaic properties of cross-linked polythiophenes with vinylene-terthiophene-vinylene as conjugated bridge[J]. Macromolecules,2007,40(6):1831-1837.
APA	Zhou, Erjun.,Tan, Zhan'ao.,Yang, Yi.,Huo, Lijun.,Zou, Yingping.,...&Li, Yongfang.(2007).Synthesis, hole mobility, and photovoltaic properties of cross-linked polythiophenes with vinylene-terthiophene-vinylene as conjugated bridge.Macromolecules,40(6),1831-1837.
MLA	Zhou, Erjun,et al."Synthesis, hole mobility, and photovoltaic properties of cross-linked polythiophenes with vinylene-terthiophene-vinylene as conjugated bridge".Macromolecules 40.6(2007):1831-1837.

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