Issue 48, 2017
From the journal:

Journal of Materials Chemistry C

Investigating the impact of conjugation pathway on the physical and electronic properties of benzobisoxazole-containing polymers†

Jeremy J. Intemann, ORCID logo *a   Emily S. Hellerich,b   Monique D. Ewan,c   Brian C. Tlach,c   Erin D. Speetzen,d   Ruth Shinar,e   Joseph Shinarb  and  Malika Jeffries-EL ORCID logo *c  

* Corresponding authors

a Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI 54311, USA
E-mail: intemanj@uwgb.edu

b Ames Laboratory-USDOE and Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA

c Department of Chemistry, Iowa State University, Ames, IA 50011, USA
E-mail: malikaj@bu.edu

d Department of Chemistry, University of Wisconsin-Stevens Point, Stevens Point, WI 54481, USA

e Microelectronics Research Center and Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USA

Abstract

Six new isomeric benzobisoxazole (BBO)-containing polymers have been synthesized and characterized to elucidate structure–property relationships in the materials. In one series, the polymer backbone is connected at the oxazole rings of the BBO, while in the other series, the backbone passes directly through the central benzene ring, leaving the oxazole rings perpendicular to the polymer backbone. The impact of BBO connectivity on the optical and electronic properties of the materials was evaluated spectroscopically. Additionally, the polymers’ performance as fluorescent guest emitters in host–guest polymer light-emitting diodes (PLEDs) was also examined. It is found that the BBO orientation in which the oxazole rings are perpendicular to the backbone reduces the optical band gap and significantly increases the efficiency of resonance energy transfer between the PLED host material and the BBO-containing light-emitting polymer guest, resulting in improved external quantum efficiencies of the PLEDs.

Graphical abstract: Investigating the impact of conjugation pathway on the physical and electronic properties of benzobisoxazole-containing polymers

About
Cited by
Related
Download options Please wait...

Supplementary files

Article information

DOI
https://doi.org/10.1039/C7TC04458E
Article type
Paper
Submitted
29 Sep 2017
Accepted
28 Nov 2017
First published
29 Nov 2017

J. Mater. Chem. C, 2017,5, 12839-12847

Permissions

Request permissions

Investigating the impact of conjugation pathway on the physical and electronic properties of benzobisoxazole-containing polymers

J. J. Intemann, E. S. Hellerich, M. D. Ewan, B. C. Tlach, E. D. Speetzen, R. Shinar, J. Shinar and M. Jeffries-EL, J. Mater. Chem. C, 2017, 5, 12839 DOI: 10.1039/C7TC04458E

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