Water oxidation with cobalt-loaded linear conjugated polymer photocatalysts

Tools

Sprick, Reiner Sebastian and Chen, Zheng and Cowan, Alexander J. and Bai, Yang and Aitchison, Catherine M. and Fang, Yuanxing and Zwijnenburg, Martijn A. and Cooper, Andrew I. and Wang, Xinchen (2020) Water oxidation with cobalt-loaded linear conjugated polymer photocatalysts. Angewandte Chemie International Edition, 59 (42). pp. 18695-18700. ISSN 1521-3773 (https://doi.org/10.1002/anie.202008000)

[thumbnail of Sprick-etal-ACIE-2020-Water-oxidation-with-cobalt-loaded-linear-conjugated-polymer-photocatalysts]
Preview
 Text. Filename: Sprick_etal_ACIE_2020_Water_oxidation_with_cobalt_loaded_linear_conjugated_polymer_photocatalysts.pdf
Final Published Version
License: Creative Commons Attribution 4.0 logo
Download (1MB)| Preview

Abstract

The first examples of linear conjugated organic polymer photocatalysts that produce oxygen from water after loading with cobalt and in the presence of an electron scavenger are reported. The oxygen evolution rates, which are higher than for related organic materials, can be rationalized by a combination of the thermodynamic driving force for water oxidation, the light absorption of the polymer, and the aqueous dispersibility of the relatively hydrophilic polymer particles. We also used transient absorption spectroscopy to study the best performing system and we found that fast oxidative quenching of the exciton occurs (picoseconds) in the presence of an electron scavenger, minimizing recombination.

ORCID iDs

Sprick, Reiner Sebastian ORCID logoORCID: https://orcid.org/0000-0002-5389-2706, Chen, Zheng, Cowan, Alexander J., Bai, Yang, Aitchison, Catherine M., Fang, Yuanxing, Zwijnenburg, Martijn A., Cooper, Andrew I. and Wang, Xinchen;
  • Item type:Article
    ID code:73846
    Dates:
    Date
    Event
    12 October 2020
    Published
    28 June 2020
    Published Online
    4 June 2020
    Accepted
    Subjects:Science > Chemistry
    Department:Faculty of Science > Pure and Applied Chemistry
    Depositing user: Pure Administrator
    Date deposited:15 Sep 2020 14:08
    Last modified:12 Dec 2024 10:18
    URI:https://strathprints.strath.ac.uk/id/eprint/73846
CORE (COnnecting REpositories)