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Morphological Modulation and Performance Tuning of Perylene-Porphyrin-Based Covalent Organic Frameworks

Lookup NU author(s): Dr Owen Woodford, Professor Elizabeth GibsonORCiD, Dr Fabio CucinottaORCiD, Dr Pau Farras Costa

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).

Abstract

© 2026 The Authors. Published by American Chemical Society. Large-scale production of covalent organic frameworks (COFs) has been hindered due to their poor reproducibility. Precisely controlling the growth of COFs can be achieved via alterations to synthesis parameters. A strategy for synthesizing reproducible perylene-porphyrin-based COFs over a range of temperatures is presented, with the aim to evaluate their morphology and functionality. Morphological modifications from nanospheres to nanofibers were observed at higher synthesis temperatures, which enhanced chemisorption in methylene blue removal experiments. Photoluminescence and transient absorption spectroscopy measurements showed efficient light absorption over the visible region and ultrafast excited-state deactivation, representative of a potential equilibrium with a charge-separated state, indicating the valuable photophysical behavior of our COFs.

Publication metadata

Author(s): McCarthy K, Gonzalez-Gomez R, Woodford O, Gibson EA, Cucinotta F, Farras P

Publication type: Article

Publication status: Published

Journal: ACS Omega

Year: 2026

Volume: 11

Issue: 15

Pages: 22533-22538

Print publication date: 21/04/2026

Online publication date: 08/04/2026

Acceptance date: 03/03/2026

Date deposited: 06/05/2026

ISSN (electronic): 2470-1343

Publisher: American Chemical Society

URL: https://doi.org/10.1021/acsomega.5c08275

DOI: 10.1021/acsomega.5c08275

Data Access Statement: The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acsomega.5c08275.

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