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题名: A non-fullerene acceptor with all "A" units realizing high open-circuit voltage solution-processed organic photovoltaics
作者: Chen, Lingcheng1;  Huang, Linquan1, 3;  Yang, Dong1, 3;  Ma, Shuying2;  Zhou, Xin1;  Zhang, Jian1;  Tu, Guoli2;  Li, Can1
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2014
DOI: 10.1039/c3ta14396a
卷: 2, 期:8, 页:2657-2662
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: A novel non-fullerene small molecule electron acceptor TTzBT-DCAO, which contains all electron-withdrawing units of 2,1,3-benzothiadiazole, oligothiazole and alkyl cyanoacetate, has been synthesized and characterized. Its photophysical, electrochemical, and photovoltaic properties have been investigated. The material has favorable HOMO and LUMO levels of -5.88 and -3.60 eV, and shows strong absorption in the visible spectrum up to 650 nm. The small molecule : non-fullerene bulk-heterojunction organic photovoltaics (OPVs) were constructed based on two small molecules SF8TBT and TTzBT-DCAO. The influence of the donor : acceptor composition on device performance was investigated. The open-circuit voltages of the devices are over 1.20 V, which is among the highest values reported for single-junction OPVs. The results indicate that small molecules with all electron-withdrawing units could provide a novel route to efficient solution-processed OPVs with high opencircuit voltages.
关键词[WOS]: POLYMER SOLAR-CELLS ;  POWER-CONVERSION EFFICIENCY ;  SMALL MOLECULES ;  BENZODITHIOPHENE UNIT ;  TANDEM ;  DONOR
语种: 英语
WOS记录号: WOS:000331247500029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145591
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Chen, Lingcheng,Huang, Linquan,Yang, Dong,et al. A non-fullerene acceptor with all "A" units realizing high open-circuit voltage solution-processed organic photovoltaics[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(8):2657-2662.
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