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Title:
A Solution-Processable Molecule using Thieno[3,2-b]thiophene as Building Block for Efficient Organic Solar Cells
Author: Wei, Huan1,3; Chen, Weichao1; Han, Liangliang1; Wang, Ting1; Bao, Xichang1; Li, Xiaoyun3; Liu, Jie1; Zhou, Yuanhang1; Yang RenQiang(阳仁强)1,2
Source: CHEMISTRY-AN ASIAN JOURNAL
Issued Date: 2015-08-01
Volume: 10, Issue:8, Pages:1791-1798
Keyword: donor-acceptor systems ; fused-ring systems ; organic electronics ; organic solar cells ; thienothiophene
DOI: 10.1002/asia.201500476
DOC Type: Article
English Abstract: A solution-processed acceptor--donor--acceptor (A--D--A) type small molecule, namely DCATT, has been designed and synthesized for the application as donor material in organic solar cells. The fused aromatic unit thieno[3,2-b]thiophene (TT) flanked with thiophene is applied as bridge, while 4,8-bisthienyl substituted benzodithiophene (BDT) and 2-ethylhexyl cyanoacetate are chosen as the central building block and end group, respectively. Introduction of fused ring to the small molecule enhances the conjugation length of the main chain, and gives a strong tendency to form - stacking with a large overlapping area which favors to high charge carrier transport. Small-molecule organic solar cells based on blends of DCATT and fullerene acceptor exhibit power conversion efficiencies as high as 5.20% under the illumination of AM 1.5G, 100mWcm(-2).
WOS Headings: Science & Technology ; Physical Sciences
WOS Subject: Chemistry, Multidisciplinary
WOS Subject Extended: Chemistry
WOS Keyword Plus: LOW-BANDGAP POLYMER ; POWER-CONVERSION EFFICIENCY ; FIELD-EFFECT TRANSISTORS ; DONOR-ACCEPTOR POLYMERS ; HIGH-PERFORMANCE ; BENZODITHIOPHENE UNIT ; SEMICONDUCTING POLYMERS ; ACTIVE LAYER ; DIKETOPYRROLOPYRROLE ; INDACENODITHIOPHENE
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000358793000027
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/6525
Appears in Collections:先进有机功能材料团队_期刊论文

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description.institution: 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.S China Univ Technol, Inst Polymer Optoelect Mat & Devices, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
3.Hebei Univ Sci & Technol, Sch Chem & Pharmaceut Engn, Shijiazhuang 050018, Peoples R China

Recommended Citation:
Wei, Huan,Chen, Weichao,Han, Liangliang,et al. A Solution-Processable Molecule using Thieno[3,2-b]thiophene as Building Block for Efficient Organic Solar Cells[J]. CHEMISTRY-AN ASIAN JOURNAL,2015,10(8):1791-1798.
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