A spray-processable, low bandgap, and ambipolar donor-acceptor conjugated polymer

Timothy T Steckler; Xuan Zhang; Jungseek Hwang; Ryan Honeyager; Shino Ohira; Xiao-Hong Zhang; Adrian Grant; Stefan Ellinger; Susan A Odom; Daniel Sweat; David B Tanner; Andrew G Rinzler; Stephen Barlow; Jean-Luc Brédas; Bernard Kippelen; Seth R Marder; John R Reynolds

doi:10.1021/ja809372u

A spray-processable, low bandgap, and ambipolar donor-acceptor conjugated polymer

J Am Chem Soc. 2009 Mar 4;131(8):2824-6. doi: 10.1021/ja809372u.

Authors

Timothy T Steckler¹, Xuan Zhang, Jungseek Hwang, Ryan Honeyager, Shino Ohira, Xiao-Hong Zhang, Adrian Grant, Stefan Ellinger, Susan A Odom, Daniel Sweat, David B Tanner, Andrew G Rinzler, Stephen Barlow, Jean-Luc Brédas, Bernard Kippelen, Seth R Marder, John R Reynolds

Affiliation

¹ The George and Josephine Butler Polymer Research Laboratory, Department of Chemistry, Center for Macromolecular Science and Engineering, University of Florida, Box 117200, Gainesville, Florida 32611, USA.

PMID: 19199436
DOI: 10.1021/ja809372u

Abstract

Combining a strong donor, tris(dodecyloxy)phenyl)-dithieno[3,2-b:2',3'-d]pyrrole, with a strong acceptor, 4,8-dithien-2-yl-2lambda(4)delta(2)-benzo[1,2-c;4,5-c']bis[1,2,5]thiadiazole, has yielded the lowest bandgap, soluble, spray-processable polymer to date. The polymer has access to four different redox states and shows ambipolar behavior in OFETs. Multiple techniques, including transmission/absorption spectroscopy on SWCNTs and reflectance spectroscopy on gold were used to accurately estimate the optical bandgap at 0.5-0.6 eV, which correlates well to theoretical calculations.