Pyrazino[2,3-g]quinoxaline-2,7-dione based π-conjugated polymers with affinity towards acids and semiconductor performance in organic thin film transistors?
RSC Advances Pub Date: 2016-02-17 DOI: 10.1039/C5RA26227E
Abstract
Pyrazino[2,3-g]quinoxaline-2,7-dione (PQx) was used as a building block for π-conjugated polymer semiconductors, which demonstrated a strong acid affinity by showing marked bathochromic shifts in their absorption spectra. These polymers exhibited semiconductor performance in organic thin film transistors (OTFTs). Copolymers of PQx and bithiophene exhibited electron-dominant ambipolar transport characteristics with electron mobilities of up to 4.28 × 10?3 cm2 V?1 s?1 and hole mobilities of up to 5.22 × 10?4 cm2 V?1 s?1, while copolymers of PQx and thieno[3,2-b]thiophene exhibited hole-dominant ambipolar transport characteristics with hole mobilities of up to 4.82 × 10?2 cm2 V?1 s?1 and electron mobilities of up to 3.95 × 10?3 cm2 V?1 s?1.
![Graphical abstract: Pyrazino[2,3-g]quinoxaline-2,7-dione based π-conjugated polymers with affinity towards acids and semiconductor performance in organic thin film transistors](http://scimg.chem960.com/usr/1/C5RA26227E.jpg)
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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