A simple approach to the visible-light photoactivation of molecular metal oxides

Fujimoto, S, Cameron, JM, Wei, R-J, Kastner, K, Robinson, D ORCID: 0000-0003-2760-7163, Sans, V, Newton, GN and Oshio, H, 2017. A simple approach to the visible-light photoactivation of molecular metal oxides. Inorganic Chemistry. ISSN 0020-1669

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This study explores a new method to maximize the visible-light-driven photocatalytic performance of organic–inorganic hybrid polyoxometalates (POMs). Experimental and theoretical investigations of a family of phosphonate-substituted POMs show that modification of grafted organic moieties can be used to tune the electronic structure and photoactivity of the metal oxide component. Unlike fully inorganic polyoxotungstates, these organic–inorganic hybrid species are responsive to visible light and function as photocatalysts (λ > 420 nm) in the decomposition of a model environmental pollutant. The degree of photoactivation is shown to be dependent on the nature of the inductive effect exerted by the covalently grafted substituent groups. This study emphasizes the untapped potential that lies in an orbital engineering approach to hybrid-POM design and helps to underpin the next generation of bespoke, robust, and cost-effective molecular metal oxide photoactive materials and catalysts.

Item Type: Journal article
Publication Title: Inorganic Chemistry
Creators: Fujimoto, S., Cameron, J.M., Wei, R.J., Kastner, K., Robinson, D., Sans, V., Newton, G.N. and Oshio, H.
Publisher: American Chemical society
Date: 18 August 2017
ISSN: 0020-1669
Divisions: Schools > School of Science and Technology
Depositing User: Jonathan Gallacher
Date Added: 21 Aug 2017 13:37
Last Modified: 21 Aug 2017 13:37
URI: http://irep.ntu.ac.uk/id/eprint/31450

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