Incorporation of Diketopyrrolopyrrole into Polythiophene for the Preparation of Organic Polymer Transistors

Autor: Shiwei Ren, Zhuoer Wang, Wenqing Zhang, Abderrahim Yassar, Jinyang Chen, Sichun Wang
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Molecules, Vol 29, Iss 1, p 260 (2024)
Druh dokumentu: article
ISSN: 1420-3049
DOI: 10.3390/molecules29010260
Popis: Polythiophene, as a class of potential electron donor units, is widely used in organic electronics such as transistors. In this work, a novel polymeric material, PDPPTT-FT, was prepared by incorporating the electron acceptor unit into the polythiophene system. The incorporation of the DPP molecule assists in improving the solubility of the material and provides a convenient method for the preparation of field effect transistors via subsequent solution processing. The introduction of fluorine atoms forms a good intramolecular conformational lock, and theoretical calculations show that the structure displays excellent co-planarity and regularity. Grazing incidence wide-angle X-ray (GIWAXS) results indicate that the PDPPTT-FT is highly crystalline, which facilitates carrier migration within and between polymer chains. The hole mobility of this π-conjugated material is as high as 0.30 cm2 V−1 s−1 in organic transistor measurements, demonstrating the great potential of this polymer material in the field of optoelectronics.
Databáze: Directory of Open Access Journals