Issue 3, 2023

An extended quinoid molecule based on bis(thiophene-diketopyrrolopyrrole) with balanced ambipolar semiconducting properties and strong near-infrared absorption

Abstract

Organic semiconductors that exhibit strong absorption in the near-infrared (NIR) region have received increasing attention as new organic optoelectronic materials. In this paper, we report the synthesis, absorption and semiconducting properties of a new quinoid molecule based on bis(thiophene-diketopyrrolopyrrole) (2DPP-Q-CN) with a long conjugation length. The results reveal that this new quinoid molecule shows strong absorption in the NIR region with a molar extinction coefficient of 380 000 M−1 cm−1. Moreover, the thin film of 2DPP-Q-CN exhibits balanced ambipolar semiconducting properties with hole and electron mobilities up to 0.19 and 0.20 cm2 V−1 s−1, respectively.

Graphical abstract: An extended quinoid molecule based on bis(thiophene-diketopyrrolopyrrole) with balanced ambipolar semiconducting properties and strong near-infrared absorption

Supplementary files

Article information

Article type
Research Article
Submitted
22 okt 2022
Accepted
30 noy 2022
First published
02 dek 2022

Org. Chem. Front., 2023,10, 632-639

An extended quinoid molecule based on bis(thiophene-diketopyrrolopyrrole) with balanced ambipolar semiconducting properties and strong near-infrared absorption

W. Shang, G. Han, Q. Fan, X. Yu, D. Liu, C. Li, X. Zhang, Y. Yi, G. Zhang and D. Zhang, Org. Chem. Front., 2023, 10, 632 DOI: 10.1039/D2QO01678H

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