Issue 32, 2021

Hollow microspherical carbazole-based conjugated polymers by photoinduced step-growth polymerization

Abstract

A new photochemical approach for the synthesis of metal-free three-dimensional hollow spherical conjugated polymers is described. Irradiation of solutions containing a specially designed monomer, namely 4,4′-bis(N-carbazolyl)-1,1′-biphenyl (CBP) possessing both carbazole and biphenyl units, in the presence of iodonium salt (Ph2I+PF6) at 350 nm resulted in the formation of a dark colored corresponding polymer, poly(4,4′-bis(N-carbazolyl)-1,1′-biphenyl) (PCBP). Polymerization proceeds through a step-growth mechanism by successive electron transfer between CBP and the iodonium ion within the photochemically formed exciplex, proton release and radical coupling reactions. The obtained polymers were characterized by UV-vis, 1H-NMR, GPC, CV and BET analyses. Dedoping of self-assembled microspheres with a significant distance resulted in more uniform spherical formations as evidenced by AFM and TEM investigations.

Graphical abstract: Hollow microspherical carbazole-based conjugated polymers by photoinduced step-growth polymerization

Supplementary files

Article information

Article type
Paper
Submitted
18 जून 2021
Accepted
20 जुलाई 2021
First published
21 जुलाई 2021

Polym. Chem., 2021,12, 4654-4660

Hollow microspherical carbazole-based conjugated polymers by photoinduced step-growth polymerization

T. Celiker, A. Suerkan, S. Altinisik, M. Akgun, S. Koyuncu and Y. Yagci, Polym. Chem., 2021, 12, 4654 DOI: 10.1039/D1PY00822F

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