NDLI: A non-fullerene acceptor with all "A" units realizing high open-circuit voltage solution-processed organic photovoltaics

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A non-fullerene acceptor with all "A" units realizing high open-circuit voltage solution-processed organic photovoltaics

Content Provider	Semantic Scholar
Author	Chen, Lingcheng Huang, Linquan Yang, Dong Yuan Ma, Shuying Zhou, X. H. Zhang, Jian Tu, Guoli
Copyright Year	2014
Abstract	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 open-circuit voltages.
Starting Page	2657
Ending Page	2662
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1039/C3TA14396A
Volume Number	2
Alternate Webpage(s)	http://www.rsc.org/suppdata/ta/c3/c3ta14396a/c3ta14396a.pdf
Alternate Webpage(s)	https://doi.org/10.1039/C3TA14396A
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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