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Issue 48, 2020
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Guaiazulene revisited: a new material for green-processed optoelectronics

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Abstract

Green-processed conjugated materials can reduce the cost of optoelectronic devices and simultaneously minimize their ecological footprint. Here, we use both solution and vapor phase chemistry to oxidatively polymerize the natural hydrocarbon dye, guaiazulene, yielding the more functional material poly(guaiazulene). We chemically characterize oligomers of poly(guaiazulene) using nuclear magnetic resonance spectroscopy, gel-permeation chromatography, laser-desorption ionization mass spectroscopy, and ultraviolet-visible absorption spectroscopy. The optical properties of poly(guaiazulene) oligomers are studied via electronic structure calculations and are contrasted to those of standard poly(azulene). We show that poly(guaiazulene) films synthesized from the vapor phase exhibit enhanced optical properties compared to counterparts synthesized in solution. Collectively, this work outlines a green reaction process that consists of a single step and uses earth-abundant reagents to yield a hitherto unreported polymer for optoelectronic applications.

Graphical abstract: Guaiazulene revisited: a new material for green-processed optoelectronics

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Supplementary files

Article information


Submitted
19 Sep 2020
Accepted
23 Oct 2020
First published
27 Oct 2020

Polym. Chem., 2020,11, 7656-7661
Article type
Paper

Guaiazulene revisited: a new material for green-processed optoelectronics

D. Bilger, K. Park, A. Abdel-Maksoud and T. L. Andrew, Polym. Chem., 2020, 11, 7656
DOI: 10.1039/D0PY01355B

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