Issue 31, 2018

Floating-non-solvent method for inducing the formation of highly crystalline conjugated polymer nanofibrils in the solution state for high-performance organic transistors

Abstract

We developed a facile dip-coating printing method using a floating non-solvent (FNS) that produced highly crystalline polymer semiconductor nanofibrils. This FNS dip-coating method used a bi-phasic solution comprising a polymer semiconductor main solution, on top of which was floated a non-solvent phase. We demonstrated that the non-solvent diffused into the underlying polymer-containing main solution and induced the formation of highly crystalline polymer nanofibrils over time. We tested four different floated non-solvent phases and systematically compared the miscibility of the floated phases and the underlying polymer solution as a function of their Hansen solubility parameters (HSPs). We demonstrated that the HSP difference was correlated with the degree to which the floated non-solvent and the main solution intermixed, which affected polymer crystallization, the solution state stability, and the thickness of the resulting dip-coated P3HT thin film over time. The FNS-processed dip-coated thin films were used to fabricate P3HT transistors, and the field-effect charge carrier mobilities of the devices were measured.

Graphical abstract: Floating-non-solvent method for inducing the formation of highly crystalline conjugated polymer nanofibrils in the solution state for high-performance organic transistors

Supplementary files

Article information

Article type
Paper
Submitted
02 Сәу. 2018
Accepted
08 Мам. 2018
First published
10 Мам. 2018

J. Mater. Chem. C, 2018,6, 8353-8359

Floating-non-solvent method for inducing the formation of highly crystalline conjugated polymer nanofibrils in the solution state for high-performance organic transistors

G. W. Kim, Y. J. Jang, M. Kim and Y. D. Park, J. Mater. Chem. C, 2018, 6, 8353 DOI: 10.1039/C8TC01525B

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements