Reversible recruitment and emission of DO3A-derived lanthanide complexes at ligating molecular films on gold

Lehr, J ORCID: https://orcid.org/0000-0001-5698-7244, Bennett, J, Tropiano, M, Sørensen, TJ, Faulkner, S, Beer, PD and Davis, JJ 2013, 'Reversible recruitment and emission of DO3A-derived lanthanide complexes at ligating molecular films on gold' , Langmuir, 29 (5) , pp. 1475-1482.

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Abstract

The recruitment of DO3A-derived lanthanide complexes by ligation to isophthalic acid and catechol-modified gold surfaces, and their resulting sensitization, is reported herein. Predictably pH-dependent surface recruitment is associated with the expected fingerprint europium and terbium emission characteristics. The intensity of the lanthanide luminescence scales exponentially with spacer length, indicating a strong quenching interaction between the lanthanide and the gold surface. The switchable catechol oxidation state provides a means of electrochemically triggering the release of prior ligated complexes.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: Langmuir
Publisher: ACS Publications
ISSN: 0743-7463
Related URLs:
Depositing User: J Lehr
Date Deposited: 11 Aug 2021 13:56
Last Modified: 27 Aug 2021 21:20
URI: http://usir.salford.ac.uk/id/eprint/50519

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