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Issue 14, 2017
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Microstructure engineering of polymer semiconductor thin films for high-performance field-effect transistors using a bi-component processing solution

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Abstract

Solution processability is one of the main reasons for developing polymer-based organic field-effect transistors (FETs) in the application of large-area, flexible and low-cost electronics. During the deposition process, the solvent action could exert a great influence on the self-assembly of polymers and the morphology of films, thus determining the FET performance. In this work, a bi-component solvent system composed of chloroform and dichlorobenzene was employed in the spin-coating process to fabricate bottom-gate bottom-contact FET devices. Dichlorobenzene could exhibit strong dispersive interactions to dissolve the polymers, while chloroform is less effective in solvating the polymers. By altering the ratios of the bi-component solvents, enhanced mobilities were achieved from PTD-10-TVT. This method has also proven to be effective in promoting the performance of other polymer semiconductors. Our work provides an effective method for obtaining high charge carrier mobilities in solution-processable polymer-based FET devices.

Graphical abstract: Microstructure engineering of polymer semiconductor thin films for high-performance field-effect transistors using a bi-component processing solution

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Publication details

The article was received on 05 Mar 2017, accepted on 13 Mar 2017 and first published on 14 Mar 2017


Article type: Paper
DOI: 10.1039/C7TC00952F
Citation: J. Mater. Chem. C, 2017,5, 3568-3578
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    Microstructure engineering of polymer semiconductor thin films for high-performance field-effect transistors using a bi-component processing solution

    D. Gao, Z. Chen, J. Huang, W. Zhang, C. Wei, Z. Lin, D. Li and G. Yu, J. Mater. Chem. C, 2017, 5, 3568
    DOI: 10.1039/C7TC00952F

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