Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Naphthobispyrazine as an Electron-deficient Building Unit for π-Conjugated Polymers: Efficient Synthesis and Polymer Properties
Tsubasa MikieKazuaki KawashimaKimihiro KomeyamaHiroto YoshidaItaru Osaka
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2017 Volume 46 Issue 8 Pages 1193-1196

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Abstract

Naphthobispyrazine (NPz), a family of naphthalene-based electron-deficient fused heteroaromatic rings, and its derivatives including a polymer are efficiently synthesized via the ring-opening reaction of corresponding naphthobisthiadiazole derivatives. The electrochemical and optical measurements of the NPz-based molecules and polymers revealed that NPz has relatively weak electron deficiency and thus affords medium band-gap polymers. The photovoltaic properties of the polymer, in combination with PC61BM, were also studied.

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© 2017 The Chemical Society of Japan
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