Issue 22, 2023

Through-space charge transfer delayed fluorescence in tris(triazolo)triazine donor–acceptor copolymers

Abstract

Donor–acceptor materials containing tris(triazolo)triazine (TTT) acceptors have recently gained attention as green to deep-blue fluorophores exhibiting thermally activated delayed fluorescence (TADF). Concurrently, polymers exhibiting through-space charge transfer (TSCT) between donor and acceptor monomers have been reported as high-performance TADF materials, yet few TSCT polymers have been reported to date. Here we describe the synthesis of copolymers comprised of TTT acceptor and 9,9-dimethyl-9,10-dihydroacridine donor monomers by ring-opening polymerization. These non-conjugated polymers have molecular weights up to 68.0 kDa and exhibit blue-green TSCT TADF in solution and the solid state. The photophysical properties of these materials are described herein, and density functional theory with noncovalent interaction analysis is used to explain the TSCT behaviour of the donor–acceptor pairs.

Graphical abstract: Through-space charge transfer delayed fluorescence in tris(triazolo)triazine donor–acceptor copolymers

Supplementary files

Article information

Article type
Paper
Submitted
25 Mac 2023
Accepted
05 Mei 2023
First published
18 Mei 2023

Polym. Chem., 2023,14, 2742-2749

Through-space charge transfer delayed fluorescence in tris(triazolo)triazine donor–acceptor copolymers

R. Hojo, B. T. Luppi, K. Bergmann and Z. M. Hudson, Polym. Chem., 2023, 14, 2742 DOI: 10.1039/D3PY00325F

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