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Journal of Materials Chemistry C
Page 7 of 9
DOI: 10.1039/C6TC00363J
Journal Name
ARTICLE
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Fig. 7 Current-voltage (I-V) characteristics of the ITO/TPA-3BBT/Al
o
device at different temperatures: (a) 60 oC, (b) 80 C, (c) 100 oC, (d)
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Conclusions
In summary, three conjugated triphenylamine-based
molecules containing benzothiazole branches have been
designed and prepared. The as-fabricated devices based on
the three compounds all exhibited binary SRAM
characteristics. The branch number attaching to
triphenylamine core has significant impact on the optical,
electrochemical properties, thin-film microstructure, thermal
stability and performance of the memory devices. However,
the stability and reproducibility can be improved and the
operation voltage could be lowered sequentially with the
increase of branches due to the smaller surface roughness and
the higher stability of the corresponding film. In addition, the
stability of film and in consequence the memory performances
either at room temperature or high temperature increases as
the branch number increased. These results obtained here
show that increasing the number of branches in the molecular
backbone may be a simple and practical approach to further
improve the performance as well as thermal stability of the
organic devices.
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Acknowledgements
This work was financially supported by the NSF of China
(21176164, 21336005), Chinese-Singapore Joint Project
(2012DFG41900) and Suzhou Science and Technology Bureau
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Chem. Soc., 2010, 132, 5542.
Project (SYG201524)
,and the Priority Academic Program
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Notes and references
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This journal is © The Royal Society of Chemistry 20xx
J. Name., 2013, 00, 1-3 | 7
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