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Synthesis of Composite Molecules of a Co4O4 Cubane Complex and Perylenediimide Moieties

12 November 2025, Version 1
Working Paper
This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting.

Abstract

Composite molecules consisting of one Co4O4 cubane complex and two perylenediimide moieties were synthesized. The cyclic voltammogram of the molecule exhibited reversible redox waves for oxidation of Co4O4 complex and two-stage reduction of the perylenediimide moieties. The emission spectrum in a solution revealed strongly quenched fluorescence of perylenediimide, which suggests intramolecular electron transfer from Co4O4 to the excited perylenediimide.

Keywords

cobalt complex
perylenediimide
water oxidation
Co4O4

Supplementary materials

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Description
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Supporting Information
Description
Synthetic procedures for the compounds bpop, 7, 8, 9; 2D NMR spectra of 6; numeric simulations of the cyclic voltammograms; quantum chemical calculations for structural modeling of 6.
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Version History

Nov 12, 2025 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2025-ltn3l
D O I: 10.26434/chemrxiv-2025-ltn3l [opens in a new tab]

Funding

Meijo University

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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